/* ========== RESET ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

/* ========== SKIP LINK (Accessibility) ========== */
.skip-link {
    position: absolute; top: -100%; left: 50%; transform: translateX(-50%);
    background: var(--accent); color: #000; padding: 12px 24px;
    border-radius: 0 0 12px 12px; font-weight: 700; font-size: 14px;
    z-index: 10000; text-decoration: none; transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

/* ========== FOCUS VISIBLE (Accessibility) ========== */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ========== THEME VARIABLES ========== */
:root {
    --transition-theme: 0.4s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="dark"] {
    --bg-deep: #0a0e1a;
    --bg-body: #0f1323;
    --bg-card: rgba(15,23,42,0.6);
    --bg-card-solid: #131b30;
    --bg-glass: rgba(255,255,255,0.03);
    --bg-glass-hover: rgba(255,255,255,0.07);
    --bg-input: rgba(15,23,42,0.8);
    --border-glass: rgba(255,255,255,0.08);
    --border-glow: rgba(255,255,255,0.15);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #00e5ff;
    --accent-glow: rgba(0,229,255,0.2);
    --accent-glow-strong: rgba(0,229,255,0.35);
    --accent2: #a855f7;
    --shadow-card: 0 4px 30px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.05);
    --shadow-card-hover: 0 8px 50px rgba(0,229,255,0.15), 0 4px 20px rgba(0,0,0,0.4);
    --shadow-neumorphic: 6px 6px 16px rgba(0,0,0,0.5), -4px -4px 12px rgba(255,255,255,0.02);
    --gradient-hero: linear-gradient(160deg, #080c18 0%, #0f172a 40%, #0a1628 100%);
    --gradient-accent: linear-gradient(135deg, #00e5ff, #a855f7);
    --gradient-accent-text: linear-gradient(135deg, #00e5ff 0%, #06b6d4 35%, #a855f7 100%);
    --header-bg: rgba(10,14,26,0.75);
    --modal-overlay: rgba(0,0,0,0.7);
    --modal-bg: #131b30;
    --scrollbar-bg: rgba(255,255,255,0.05);
    --scrollbar-thumb: rgba(255,255,255,0.15);
    --result-bg: rgba(0,229,255,0.06);
    --result-border: rgba(0,229,255,0.2);
}

[data-theme="light"] {
    --bg-deep: #f0f4f8;
    --bg-body: #f5f7fb;
    --bg-card: rgba(255,255,255,0.7);
    --bg-card-solid: #ffffff;
    --bg-glass: rgba(255,255,255,0.6);
    --bg-glass-hover: rgba(255,255,255,0.85);
    --bg-input: rgba(255,255,255,0.9);
    --border-glass: rgba(0,0,0,0.08);
    --border-glow: rgba(0,0,0,0.12);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #0097a7;
    --accent-glow: rgba(0,151,167,0.15);
    --accent-glow-strong: rgba(0,151,167,0.25);
    --accent2: #7c3aed;
    --shadow-card: 0 4px 24px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04), inset 0 1px 0 rgba(255,255,255,0.8);
    --shadow-card-hover: 0 12px 40px rgba(0,151,167,0.12), 0 4px 16px rgba(0,0,0,0.08);
    --shadow-neumorphic: 6px 6px 16px rgba(0,0,0,0.06), -4px -4px 12px rgba(255,255,255,0.9);
    --gradient-hero: linear-gradient(160deg, #f0f4f8 0%, #e8eef6 40%, #f0f4f8 100%);
    --gradient-accent: linear-gradient(135deg, #0097a7, #7c3aed);
    --gradient-accent-text: linear-gradient(135deg, #0097a7 0%, #0891b2 35%, #7c3aed 100%);
    --header-bg: rgba(245,247,251,0.8);
    --modal-overlay: rgba(0,0,0,0.4);
    --modal-bg: #ffffff;
    --scrollbar-bg: rgba(0,0,0,0.04);
    --scrollbar-thumb: rgba(0,0,0,0.15);
    --result-bg: rgba(0,151,167,0.06);
    --result-border: rgba(0,151,167,0.2);
}

/* ========== BASE ========== */
html { scroll-behavior: smooth; }

/* Theme transition for key elements */
body, .header, .hero, .section, .footer,
.tool-card, .tool-card-icon, .tool-card-content, .tool-card-arrow,
.category-card, .form-input, .form-label, .btn-calc,
.result-box, .modal-overlay, .modal-content, .modal-header,
.stat-item, .search-wrapper, .search-input,
.nav-links a, .footer-col a, .cookie-bar,
.radio-pill, .faq-item, .section-tag,
.history-item, .related-link, .lang-toggle, .theme-toggle {
    transition: background-color 0.4s cubic-bezier(0.4,0,0.2,1),
                border-color 0.4s cubic-bezier(0.4,0,0.2,1),
                color 0.4s cubic-bezier(0.4,0,0.2,1);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--gradient-hero);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    transition: background var(--transition-theme), color var(--transition-theme);
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--scrollbar-bg); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 4px; }

/* ========== AURORA SHADER BG ========== */
.shader-bg {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none; z-index: 0; overflow: hidden;
}
.shader-bg canvas {
    display: block; width: 100% !important; height: 100% !important;
}
[data-theme="light"] .shader-bg {
    opacity: 0.35;
    filter: saturate(0.6) brightness(1.3);
}

/* ========== HEADER ========== */
.header {
    position: sticky; top: 0; z-index: 100;
    background: var(--header-bg);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    border-bottom: 1px solid var(--border-glass);
    transition: background var(--transition-theme);
}
.nav {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text-primary); }
.logo-icon {
    width: 40px; height: 40px; border-radius: 11px;
    overflow: hidden; flex-shrink: 0;
    box-shadow: 0 2px 12px rgba(0,229,255,0.2);
    transition: box-shadow 0.3s, transform 0.3s;
}
.logo:hover .logo-icon {
    box-shadow: 0 4px 20px rgba(0,229,255,0.35), 0 2px 8px rgba(168,85,247,0.2);
    transform: scale(1.05);
}
.logo-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.logo-text { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; }
.logo-text .logo-her { color: var(--text-primary); }
.logo-text .logo-hesap {
    background: linear-gradient(135deg, #00e5ff, #a855f7);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.nav-right { display: flex; align-items: center; gap: 8px; }

.nav-links { display: flex; gap: 28px; list-style: none; margin-right: 20px; }
.nav-links a {
    text-decoration: none; color: var(--text-secondary); font-size: 14px; font-weight: 500;
    transition: color 0.25s; position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: var(--gradient-accent); border-radius: 1px; transition: width 0.3s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

/* Theme Toggle */
.theme-toggle {
    width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border-glass);
    background: var(--bg-glass); cursor: pointer; display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); transition: all 0.3s; position: relative; overflow: hidden;
}
.theme-toggle:hover { background: var(--bg-glass-hover); color: var(--accent); border-color: var(--accent); box-shadow: 0 0 20px var(--accent-glow); }
.theme-toggle svg { width: 20px; height: 20px; transition: transform 0.5s cubic-bezier(0.4,0,0.2,1), opacity 0.3s; position: absolute; }
.theme-toggle .icon-sun { opacity: 0; transform: rotate(180deg) scale(0.5); }
.theme-toggle .icon-moon { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(-180deg) scale(0.5); }

.mobile-menu-btn {
    display: none; background: none; border: 1px solid var(--border-glass);
    cursor: pointer; padding: 10px; color: var(--text-primary); border-radius: 10px;
}

/* ========== HERO ========== */
.hero {
    max-width: 1200px; margin: 0 auto; padding: 72px 24px 56px;
    text-align: center; position: relative; z-index: 1;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    padding: 8px 20px; border-radius: 100px; font-size: 13px; font-weight: 500;
    color: var(--accent); margin-bottom: 28px;
    backdrop-filter: blur(10px);
}
.hero-badge-dot {
    width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow-strong); }
    50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
    font-size: clamp(38px, 5.5vw, 64px); font-weight: 800;
    letter-spacing: -2px; line-height: 1.1; margin-bottom: 20px;
}
.hero h1 .gradient-text {
    background: var(--gradient-accent-text);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p {
    font-size: clamp(16px, 2vw, 19px); color: var(--text-secondary);
    max-width: 560px; margin: 0 auto 48px; line-height: 1.7; font-weight: 300;
}

/* ========== SEARCH 2.0 ========== */
.search-container { max-width: 660px; margin: 0 auto; position: relative; z-index: 10; }
.search-wrapper { position: relative; }
.search-glow {
    position: absolute; inset: -3px; border-radius: 21px;
    background: linear-gradient(135deg, #00e5ff, #a855f7, #00e5ff);
    background-size: 200% 200%;
    opacity: 0;
    transition: opacity 0.4s; filter: blur(10px); z-index: -1;
}
.search-wrapper:focus-within .search-glow {
    opacity: 0.35;
    animation: searchGlowPulse 3s ease-in-out infinite;
}
@keyframes searchGlowPulse {
    0%, 100% { background-position: 0% 50%; opacity: 0.3; }
    50% { background-position: 100% 50%; opacity: 0.45; }
}

.search-icon {
    position: absolute; left: 22px; top: 50%; transform: translateY(-50%);
    color: var(--text-muted); pointer-events: none; transition: all 0.3s;
}
.search-wrapper:focus-within .search-icon {
    color: #00e5ff;
    filter: drop-shadow(0 0 6px rgba(0,229,255,0.5));
}

.search-input {
    width: 100%; padding: 20px 80px 20px 56px;
    font-size: 16px; font-family: 'Poppins', sans-serif; font-weight: 400;
    border: 1px solid var(--border-glass); border-radius: 18px;
    background: var(--bg-card); color: var(--text-primary);
    backdrop-filter: blur(40px) saturate(150%);
    -webkit-backdrop-filter: blur(40px) saturate(150%);
    outline: none;
    box-shadow: var(--shadow-neumorphic), inset 0 1px 0 rgba(255,255,255,0.06);
    transition: all 0.3s;
}
.search-input:focus {
    border-color: #00e5ff;
    box-shadow: var(--shadow-neumorphic), 0 0 30px rgba(0,229,255,0.15), 0 0 60px rgba(168,85,247,0.08);
}


.search-shortcut {
    position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    border-radius: 8px; padding: 5px 12px; font-size: 12px;
    color: var(--text-muted); font-family: 'Poppins', sans-serif; pointer-events: none;
}

/* Scramble placeholder styling */
.search-input::placeholder {
    color: var(--accent);
    font-weight: 400;
    opacity: 0.6;
    letter-spacing: 0.5px;
    transition: color 0.3s, opacity 0.3s;
}
.search-input:focus::placeholder {
    color: var(--text-muted);
    opacity: 0.4;
    letter-spacing: 0;
}

/* Search Results */
.search-results {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0;
    background: var(--bg-card-solid); border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3); border: 1px solid var(--border-glass);
    max-height: 380px; overflow-y: auto; display: none; z-index: 50;
    backdrop-filter: blur(20px);
}
.search-results.active { display: block; animation: fadeSlideDown 0.25s ease-out; }
@keyframes fadeSlideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

.search-result-item {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 20px; cursor: pointer; transition: all 0.2s;
    text-decoration: none; color: inherit; border-left: 3px solid transparent;
}
.search-result-item:hover, .search-result-item.selected {
    background: var(--bg-glass-hover); border-left-color: var(--accent);
}
.search-result-icon {
    width: 42px; height: 42px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0;
}
.search-result-info h4 { font-size: 14px; font-weight: 600; }
.search-result-info p { font-size: 12px; color: var(--text-secondary); margin: 0; font-weight: 300; }
.search-no-result { padding: 32px 20px; text-align: center; color: var(--text-muted); font-size: 14px; }

/* ========== STATS ========== */
.stats {
    max-width: 1200px; margin: 0 auto; padding: 8px 24px 56px;
    display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
    position: relative; z-index: 1;
}
.stat-item { text-align: center; }
.stat-number { font-size: 32px; font-weight: 800; letter-spacing: -1px; background: var(--gradient-accent); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 13px; color: var(--text-muted); font-weight: 400; margin-top: 4px; }

/* ========== SECTIONS ========== */
.section {
    max-width: 1200px; margin: 0 auto; padding: 0 24px 72px;
    position: relative; z-index: 1;
}
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.section-title { display: flex; align-items: center; gap: 14px; }
.section-title-icon {
    width: 44px; height: 44px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.section-title h2 { font-size: 26px; font-weight: 700; letter-spacing: -0.5px; }
.section-count {
    font-size: 13px; font-weight: 600; color: var(--text-muted);
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    padding: 4px 12px; border-radius: 20px;
}
.section-link {
    font-size: 14px; font-weight: 600; color: var(--accent); text-decoration: none;
    display: flex; align-items: center; gap: 6px; transition: gap 0.3s;
}
.section-link:hover { gap: 10px; }

/* ========== TOOL CARDS ========== */
.tools-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px;
}
.tool-card {
    background: var(--bg-card); border-radius: 20px; padding: 30px;
    text-decoration: none; color: inherit;
    display: flex; flex-direction: column; gap: 18px;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(30px) saturate(140%);
    -webkit-backdrop-filter: blur(30px) saturate(140%);
    transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    position: relative; overflow: hidden; cursor: pointer;
}
.tool-card::before {
    content: ''; position: absolute; inset: 0; border-radius: 20px;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-glow), transparent 40%);
    opacity: 0; transition: opacity 0.4s;
}
.tool-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); border-color: var(--border-glow); }
.tool-card:hover::before { opacity: 1; }
.tool-card:active { transform: translateY(-2px) scale(0.985); transition-duration: 0.1s; }

.tool-card-icon {
    width: 56px; height: 56px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; position: relative; z-index: 1;
}
.tool-card-content { position: relative; z-index: 1; }
.tool-card-content h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.3px; }
.tool-card-content p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; font-weight: 300; }

.tool-card-arrow {
    margin-top: auto; display: flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 600; color: var(--accent);
    opacity: 0; transform: translateX(-10px);
    transition: all 0.35s; position: relative; z-index: 1;
}
.tool-card:hover .tool-card-arrow { opacity: 1; transform: translateX(0); }

/* ========== CATEGORY COLORS ========== */
.color-finance { background: rgba(0,229,255,0.1); color: var(--accent); }
.color-health { background: rgba(239,68,68,0.12); color: #ef4444; }
.color-math { background: rgba(99,102,241,0.12); color: #6366f1; }
.color-traffic { background: rgba(245,158,11,0.12); color: #f59e0b; }
.color-convert { background: rgba(139,92,246,0.12); color: #8b5cf6; }
.color-daily { background: rgba(6,182,212,0.12); color: #06b6d4; }
.color-kitchen { background: rgba(249,115,22,0.12); color: #f97316; }
.color-tech { background: rgba(168,85,247,0.12); color: #a855f7; }
.color-other { background: rgba(107,114,128,0.12); color: #6b7280; }
.color-popular { background: rgba(245,158,11,0.12); color: #f59e0b; }

/* ========== CATEGORY NEON AURA (per-card) ========== */
.card-finance  { --neon: #f1c40f; --neon-rgb: 241,196,15; }
.card-health   { --neon: #2ecc71; --neon-rgb: 46,204,113; }
.card-traffic  { --neon: #e74c3c; --neon-rgb: 231,76,60; }
.card-math     { --neon: #3498db; --neon-rgb: 52,152,219; }
.card-egitim   { --neon: #3498db; --neon-rgb: 52,152,219; }
.card-gunluk   { --neon: #9b59b6; --neon-rgb: 155,89,182; }
.card-kitchen  { --neon: #f97316; --neon-rgb: 249,115,22; }
.card-tech     { --neon: #a855f7; --neon-rgb: 168,85,247; }
.card-other    { --neon: #6b7280; --neon-rgb: 107,114,128; }

.card-finance,
.card-health,
.card-traffic,
.card-kitchen,
.card-tech,
.card-other,
.card-math,
.card-egitim,
.card-gunluk {
    border-color: rgba(var(--neon-rgb), 0.15);
    box-shadow: var(--shadow-card), 0 0 20px rgba(var(--neon-rgb), 0.06), inset 0 0 30px rgba(var(--neon-rgb), 0.03);
}
.card-finance::before,
.card-health::before,
.card-traffic::before,
.card-kitchen::before,
.card-tech::before,
.card-other::before,
.card-math::before,
.card-egitim::before,
.card-gunluk::before {
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(var(--neon-rgb), 0.12), transparent 40%);
}

/* Enhanced hover — brighter neon aura + glass lift */
.card-finance:hover,
.card-health:hover,
.card-traffic:hover,
.card-math:hover,
.card-egitim:hover,
.card-gunluk:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--neon-rgb), 0.35);
    box-shadow:
        0 12px 40px rgba(var(--neon-rgb), 0.18),
        0 0 60px rgba(var(--neon-rgb), 0.08),
        inset 0 1px 0 rgba(255,255,255,0.1);
}
.card-finance:hover .tool-card-arrow,
.card-health:hover .tool-card-arrow,
.card-traffic:hover .tool-card-arrow,
.card-math:hover .tool-card-arrow,
.card-egitim:hover .tool-card-arrow,
.card-gunluk:hover .tool-card-arrow {
    color: var(--neon);
}

/* ========== ANIMATED ICONS ========== */
/* Finance — slow spin + glow pulse */
@keyframes icon-spin-glow {
    0%   { transform: rotate(0deg); filter: drop-shadow(0 0 4px rgba(241,196,15,0.3)); }
    50%  { transform: rotate(6deg); filter: drop-shadow(0 0 12px rgba(241,196,15,0.6)); }
    100% { transform: rotate(0deg); filter: drop-shadow(0 0 4px rgba(241,196,15,0.3)); }
}
.card-finance .tool-card-icon svg {
    animation: icon-spin-glow 3s ease-in-out infinite;
}

/* Health — breathing scale */
@keyframes icon-breathe {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 3px rgba(46,204,113,0.3)); }
    50%      { transform: scale(1.12); filter: drop-shadow(0 0 10px rgba(46,204,113,0.6)); }
}
.card-health .tool-card-icon svg {
    animation: icon-breathe 3.5s ease-in-out infinite;
}

/* Traffic — swing pendulum */
@keyframes icon-swing {
    0%, 100% { transform: rotate(0deg); filter: drop-shadow(0 0 3px rgba(231,76,60,0.3)); }
    25%      { transform: rotate(10deg); filter: drop-shadow(0 0 8px rgba(231,76,60,0.5)); }
    75%      { transform: rotate(-10deg); filter: drop-shadow(0 0 8px rgba(231,76,60,0.5)); }
}
.card-traffic .tool-card-icon svg {
    animation: icon-swing 3s ease-in-out infinite;
    transform-origin: center top;
}

/* Math — subtle pulse-glow */
@keyframes icon-pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(52,152,219,0.3)); opacity: 1; }
    50%      { filter: drop-shadow(0 0 14px rgba(52,152,219,0.7)); opacity: 0.9; }
}
.card-math .tool-card-icon svg {
    animation: icon-pulse-glow 3s ease-in-out infinite;
}

/* Egitim — bounce-float */
@keyframes icon-bounce-float {
    0%, 100% { transform: translateY(0); filter: drop-shadow(0 0 4px rgba(52,152,219,0.3)); }
    50%      { transform: translateY(-4px); filter: drop-shadow(0 0 12px rgba(52,152,219,0.6)); }
}
.card-egitim .tool-card-icon svg {
    animation: icon-bounce-float 3s ease-in-out infinite;
}

/* Gunluk — pulse-rotate */
@keyframes icon-pulse-rotate {
    0%, 100% { transform: rotate(0deg) scale(1); filter: drop-shadow(0 0 4px rgba(155,89,182,0.3)); }
    50%      { transform: rotate(5deg) scale(1.08); filter: drop-shadow(0 0 12px rgba(155,89,182,0.6)); }
}
.card-gunluk .tool-card-icon svg {
    animation: icon-pulse-rotate 3.5s ease-in-out infinite;
}

/* ========== FUTURISTIC DATA-TAG SECTION HEADINGS ========== */
.section-tag {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 8px 20px 8px 14px;
    border-radius: 0 12px 12px 0;
    border-left: 3px solid var(--tag-color, var(--accent));
    background: linear-gradient(135deg, rgba(var(--tag-rgb, 0,229,255), 0.08), rgba(var(--tag-rgb, 0,229,255), 0.02));
    position: relative;
    font-family: 'Poppins', sans-serif;
}
.section-tag h2 {
    font-size: 26px; font-weight: 700; letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--tag-color, var(--accent)), var(--accent2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-tag::after {
    content: '';
    position: absolute; right: -20px; top: 0; bottom: 0;
    width: 20px;
    background: linear-gradient(90deg, rgba(var(--tag-rgb, 0,229,255), 0.02), transparent);
}
/* Tag colors per section */
.tag-popular { --tag-color: #f59e0b; --tag-rgb: 245,158,11; }
.tag-finance { --tag-color: #f1c40f; --tag-rgb: 241,196,15; }
.tag-health  { --tag-color: #2ecc71; --tag-rgb: 46,204,113; }
.tag-traffic { --tag-color: #e74c3c; --tag-rgb: 231,76,60; }
.tag-egitim  { --tag-color: #3498db; --tag-rgb: 52,152,219; }
.tag-gunluk  { --tag-color: #9b59b6; --tag-rgb: 155,89,182; }
.tag-kitchen { --tag-color: #f97316; --tag-rgb: 249,115,22; }
.tag-tech    { --tag-color: #a855f7; --tag-rgb: 168,85,247; }
.tag-math    { --tag-color: #3498db; --tag-rgb: 52,152,219; }
.tag-daily   { --tag-color: #9b59b6; --tag-rgb: 155,89,182; }
.tag-other   { --tag-color: #6b7280; --tag-rgb: 107,114,128; }
.tag-categories { --tag-color: #6366f1; --tag-rgb: 99,102,241; }

/* Section icon neon glow matching tag */
.section-tag .section-title-icon {
    box-shadow: 0 0 12px rgba(var(--tag-rgb, 0,229,255), 0.3);
    transition: box-shadow 0.3s;
}

/* ========== CATEGORY GRID ========== */
.categories-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 20px;
}
.category-card {
    background: var(--bg-card); border-radius: 20px; padding: 28px 20px;
    text-align: center; text-decoration: none; color: inherit;
    box-shadow: var(--shadow-card); border: 1px solid var(--border-glass);
    backdrop-filter: blur(30px) saturate(140%);
    -webkit-backdrop-filter: blur(30px) saturate(140%);
    transition: all 0.35s; display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.category-card:hover { transform: translateY(-4px) scale(1.02); box-shadow: var(--shadow-card-hover); border-color: var(--border-glow); }
.category-card-icon {
    width: 60px; height: 60px; border-radius: 18px;
    display: flex; align-items: center; justify-content: center; font-size: 28px;
    transition: transform 0.35s;
}
.category-card:hover .category-card-icon { transform: scale(1.15) rotate(-3deg); }
.category-card h3 { font-size: 15px; font-weight: 600; }
.category-card p { font-size: 12px; color: var(--text-muted); font-weight: 300; }

/* ========== RIPPLE ========== */
.ripple {
    position: absolute; border-radius: 50%; background: var(--accent);
    opacity: 0.15; transform: scale(0);
    animation: ripple-anim 0.6s ease-out forwards; pointer-events: none;
}

/* ===== SKELETON LOADER ===== */
.sk {
    background: linear-gradient(90deg, var(--bg-glass) 25%, var(--bg-glass-hover) 50%, var(--bg-glass) 75%);
    background-size: 200% 100%; animation: sk-shimmer 1.4s infinite; border-radius: 8px;
}
@keyframes sk-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.sk-title { height: 26px; width: 55%; }
.sk-label { height: 13px; margin-bottom: 8px; border-radius: 4px; }
.sk-input { height: 52px; margin-bottom: 16px; border-radius: 12px; }
.sk-btn { height: 52px; border-radius: 14px; margin-top: 4px; }
.sk-close { height: 36px; width: 36px; border-radius: 50%; flex-shrink: 0; }
.skeleton-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--border-glass); }
.skeleton-body { padding: 24px; }

/* ===== RESULT FLASH HIGHLIGHT ===== */
@keyframes result-flash {
    0%   { box-shadow: 0 0 0 0 var(--accent-glow-strong); border-color: var(--accent); }
    60%  { box-shadow: 0 0 0 8px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; border-color: var(--result-border); }
}
.result-flash { animation: result-flash 0.75s ease-out; }

/* ===== SEARCH DROPDOWN ENHANCEMENTS ===== */
.search-section-header {
    padding: 8px 16px 6px; font-size: 10px; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px;
    border-bottom: 1px solid var(--border-glass);
}
.search-result-cat {
    margin-left: auto; font-size: 10px; font-weight: 600;
    background: var(--bg-glass); border-radius: 4px;
    padding: 2px 7px; color: var(--text-muted); white-space: nowrap; flex-shrink: 0;
}
@keyframes ripple-anim { to { transform: scale(4); opacity: 0; } }

/* ========== MODAL ========== */
.modal-overlay {
    position: fixed; inset: 0; background: var(--modal-overlay);
    backdrop-filter: blur(8px); z-index: 200;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.35s;
    padding: 24px;
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
    background: var(--modal-bg); border: 1px solid var(--border-glass);
    border-radius: 24px; width: 100%; max-width: 520px;
    max-height: 90vh; overflow-y: auto;
    box-shadow: 0 25px 80px rgba(0,0,0,0.4);
    transform: translateY(30px) scale(0.95); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
    position: relative;
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 28px 28px 0; gap: 8px;
}
.modal-header h2 { flex: 1; min-width: 0; font-size: 22px; font-weight: 700; letter-spacing: -0.5px; display: flex; align-items: center; gap: 12px; }
.modal-close {
    width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border-glass);
    background: var(--bg-glass); color: var(--text-secondary); cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: all 0.2s;
    font-size: 18px;
}
.modal-close:hover { background: rgba(239,68,68,0.1); color: #ef4444; border-color: rgba(239,68,68,0.3); }

.modal-body { padding: 28px; }

/* Form Elements */
.form-group { margin-bottom: 20px; }
.form-label {
    display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary);
    margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px;
}
.form-input, .form-select {
    width: 100%; padding: 14px 18px; font-size: 16px; font-family: 'Poppins', sans-serif;
    border: 1px solid var(--border-glass); border-radius: 14px;
    background: var(--bg-input); color: var(--text-primary);
    outline: none; transition: all 0.3s;
}
.form-input:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}
.form-input::placeholder { color: var(--text-muted); }
.form-select { cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 16px center;
    padding-right: 44px;
}
.form-select option { background: var(--bg-card-solid); color: var(--text-primary); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.radio-group { display: flex; gap: 12px; }
.radio-pill {
    flex: 1; text-align: center; padding: 12px; font-size: 14px; font-weight: 600;
    border: 1px solid var(--border-glass); border-radius: 12px;
    cursor: pointer; transition: all 0.25s; color: var(--text-secondary);
    font-family: 'Poppins', sans-serif;
}
.radio-pill:hover { border-color: var(--accent); color: var(--accent); }
.radio-pill.active {
    background: var(--accent); color: #fff; border-color: var(--accent);
    box-shadow: 0 4px 16px var(--accent-glow-strong);
}

.btn-calc {
    width: 100%; padding: 16px; font-size: 16px; font-weight: 700;
    font-family: 'Poppins', sans-serif;
    background: var(--gradient-accent); color: #fff; border: none; border-radius: 14px;
    cursor: pointer; transition: all 0.3s; position: relative; overflow: hidden;
    box-shadow: 0 4px 20px var(--accent-glow-strong);
}
.btn-calc:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow-strong); }
.btn-calc:active { transform: translateY(0) scale(0.98); }

/* Result Box */
.result-box {
    margin-top: 24px; padding: 0; border-radius: 20px;
    background: var(--bg-card-solid);
    border: 1px solid var(--result-border);
    border-top: 3px solid var(--accent);
    display: none; animation: fadeSlideDown 0.3s ease-out;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}
.result-box.visible { display: block; }
.result-label {
    font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase;
    letter-spacing: 1.2px; padding: 20px 24px 0; display: flex; align-items: center; gap: 6px;
}
.result-label::before {
    content: '✓'; display: inline-flex; align-items: center; justify-content: center;
    width: 18px; height: 18px; border-radius: 50%; font-size: 10px; font-weight: 900;
    background: var(--accent); color: #000;
}
.result-value {
    font-size: 36px; font-weight: 900; letter-spacing: -1.5px;
    padding: 8px 24px 12px; color: var(--accent);
}
.result-detail {
    font-size: 13px; color: var(--text-secondary); line-height: 1.8; font-weight: 400;
    padding: 0 24px 20px; border-top: 1px solid var(--border-glass); margin: 0 16px;
    padding-top: 14px;
}
.result-detail strong { color: var(--text-primary); font-weight: 600; }
.result-detail:empty { display: none; }
.result-box > .share-buttons { padding: 8px 24px 16px; }
.result-box > .bmi-bar-container { padding: 0 24px 8px; }

/* BMI Bar */
.bmi-bar-container { margin-top: 16px; }
.bmi-bar {
    height: 12px; border-radius: 6px; position: relative; overflow: visible;
    background: linear-gradient(90deg, #06b6d4 0%, #22c55e 30%, #f59e0b 60%, #ef4444 100%);
}
.bmi-marker {
    position: absolute; top: -6px; width: 24px; height: 24px;
    border-radius: 50%; background: var(--text-primary); border: 3px solid var(--modal-bg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transform: translateX(-50%); transition: left 0.5s cubic-bezier(0.4,0,0.2,1);
}
.bmi-labels { display: flex; justify-content: space-between; margin-top: 10px; font-size: 11px; color: var(--text-muted); }

/* ========== SHARE BUTTONS — Neon Glow ========== */
.share-buttons {
    display: flex; gap: 10px; margin-top: 16px;
}
.share-btn {
    flex: 1; padding: 10px 14px; font-size: 13px; font-weight: 600;
    font-family: 'Poppins', sans-serif; border-radius: 10px; cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1); border: 1px solid var(--border-glass);
    position: relative; overflow: hidden;
}
.share-btn::before {
    content: ''; position: absolute; inset: 0; opacity: 0;
    transition: opacity 0.3s; border-radius: inherit;
}
.share-copy {
    background: var(--bg-glass); color: var(--text-secondary);
}
.share-copy::before {
    background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(168,85,247,0.12));
}
.share-copy:hover {
    color: var(--accent); border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0,229,255,0.25), 0 0 40px rgba(168,85,247,0.1);
    text-shadow: 0 0 10px rgba(0,229,255,0.3);
}
.share-copy:hover::before { opacity: 1; }
.share-whatsapp {
    background: rgba(37,211,102,0.08); color: #25d366; border-color: rgba(37,211,102,0.25);
}
.share-whatsapp::before {
    background: linear-gradient(135deg, rgba(37,211,102,0.15), rgba(0,229,255,0.08));
}
.share-whatsapp:hover {
    background: #25d366; color: #fff; border-color: #25d366;
    box-shadow: 0 0 20px rgba(37,211,102,0.35), 0 0 40px rgba(37,211,102,0.15);
    text-shadow: 0 0 10px rgba(37,211,102,0.4);
}
.share-whatsapp:hover::before { opacity: 0; }

/* ========== SEO CONTENT BLOCK ========== */
.seo-content {
    margin-top: 24px; padding: 20px; border-radius: 14px;
    background: var(--bg-glass); border: 1px solid var(--border-glass);
}
.seo-content h3 {
    font-size: 15px; font-weight: 700; margin-bottom: 10px;
    color: var(--accent);
}
.seo-content p {
    font-size: 13px; color: var(--text-secondary); line-height: 1.8; font-weight: 300;
}

/* ========== FAQ ACCORDION ========== */
.faq-section { margin-top: 24px; }
.faq-title {
    font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--accent); margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px;
}
.faq-title::before {
    content: ''; display: inline-block; width: 3px; height: 16px; border-radius: 2px;
    background: var(--gradient-accent);
}
.faq-item {
    border: 1px solid var(--border-glass); border-radius: 12px;
    margin-bottom: 8px; overflow: hidden;
    background: var(--bg-glass); transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item:hover { border-color: rgba(0,229,255,0.15); }
.faq-item.open {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow), inset 0 0 30px rgba(0,229,255,0.02);
}
.faq-question {
    width: 100%; padding: 14px 16px; display: flex; align-items: center;
    justify-content: space-between; gap: 12px; cursor: pointer;
    background: none; border: none; color: var(--text-primary);
    font-family: 'Poppins', sans-serif; font-size: 14px; font-weight: 500;
    text-align: left; transition: color 0.3s;
}
.faq-question:hover { color: var(--accent); }
.faq-question svg {
    width: 16px; height: 16px; min-width: 16px;
    transition: transform 0.3s; color: var(--text-muted);
}
.faq-item.open .faq-question { color: var(--accent); }
.faq-item.open .faq-question svg { transform: rotate(180deg); color: var(--accent); }
.faq-answer {
    max-height: 0; overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.4s cubic-bezier(0.4,0,0.2,1);
    padding: 0 16px;
}
.faq-item.open .faq-answer { max-height: 250px; padding: 0 16px 14px; }
.faq-answer p {
    font-size: 13px; color: var(--text-secondary); line-height: 1.8; font-weight: 300;
}

/* ========== RELATED TOOLS ========== */
.related-tools {
    margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-glass);
}
.related-tools h4 {
    font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-muted); margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px;
}
.related-tools h4::before {
    content: ''; display: inline-block; width: 3px; height: 14px; border-radius: 2px;
    background: var(--gradient-accent);
}
.related-links {
    display: flex; gap: 8px; flex-wrap: wrap;
}
.related-link {
    padding: 8px 14px; font-size: 12px; font-weight: 500;
    border-radius: 10px; text-decoration: none;
    background: var(--bg-glass); color: var(--text-secondary);
    border: 1px solid var(--border-glass); transition: all 0.3s;
    font-family: 'Poppins', sans-serif;
}
.related-link:hover {
    background: var(--accent-glow); color: var(--accent); border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
    transform: translateY(-1px);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-card-solid); border-top: 1px solid var(--border-glass);
    margin-top: 32px; position: relative; z-index: 1;
    transition: background var(--transition-theme);
}
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 48px 24px 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); margin-top: 14px; line-height: 1.7; font-weight: 300; }
.footer-col h4 { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; color: var(--text-muted); }
.footer-col a { display: block; font-size: 14px; color: var(--text-secondary); text-decoration: none; padding: 5px 0; transition: color 0.25s; font-weight: 400; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid var(--border-glass); padding-top: 24px;
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }
.footer-slogan {
    font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
    background: var(--gradient-accent-text);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-top: 12px !important; margin-bottom: 2px !important;
}
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.social-link {
    width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border-glass);
    background: var(--bg-glass); display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); text-decoration: none; transition: all 0.3s;
}
.social-link:hover {
    color: var(--accent); border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-2px);
}

/* ========== FEEDBACK SECTION ========== */
.feedback-card {
    background: var(--bg-card); border-radius: 20px; padding: 32px;
    border: 1px solid var(--border-glass); box-shadow: var(--shadow-card);
    backdrop-filter: blur(30px); position: relative; overflow: hidden;
}
.feedback-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-accent);
}
.feedback-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.feedback-icon {
    width: 52px; height: 52px; border-radius: 16px; font-size: 24px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-glow); box-shadow: 0 0 20px var(--accent-glow);
}
.feedback-header h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.feedback-header p { font-size: 14px; color: var(--text-secondary); font-weight: 300; }
.feedback-form .btn-feedback {
    box-shadow: 0 0 25px var(--accent-glow-strong), 0 0 50px rgba(0,229,255,0.1);
}
.feedback-form .btn-feedback:hover {
    box-shadow: 0 0 35px var(--accent-glow-strong), 0 0 70px rgba(168,85,247,0.15);
}
.feedback-success {
    display: none; margin-top: 16px; padding: 14px; border-radius: 12px;
    background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3);
    color: #22c55e; font-size: 14px; font-weight: 600; text-align: center;
}
.feedback-success.visible { display: block; animation: fadeSlideDown 0.3s ease-out; }

/* ========== COOKIE CONSENT BAR ========== */
.cookie-bar {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 300;
    background: var(--bg-card-solid); border-top: 1px solid var(--border-glass);
    padding: 16px 24px; display: flex; align-items: center; justify-content: center; gap: 20px;
    box-shadow: 0 -4px 30px rgba(0,0,0,0.2);
    backdrop-filter: blur(20px);
    transform: translateY(0); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.cookie-bar.hidden { transform: translateY(100%); pointer-events: none; }
.cookie-content { display: flex; align-items: center; gap: 12px; max-width: 700px; }
.cookie-content svg { color: var(--accent); min-width: 20px; }
.cookie-content p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.cookie-content a { color: var(--accent); text-decoration: underline; }
.cookie-accept {
    padding: 10px 28px; font-size: 14px; font-weight: 700;
    font-family: 'Poppins', sans-serif;
    background: var(--gradient-accent); color: #fff; border: none; border-radius: 10px;
    cursor: pointer; white-space: nowrap; transition: all 0.3s;
    box-shadow: 0 4px 16px var(--accent-glow-strong);
}
.cookie-accept:hover { transform: translateY(-2px); box-shadow: 0 6px 24px var(--accent-glow-strong); }

/* ========== LEGAL MODAL ========== */
.legal-overlay {
    position: fixed; inset: 0; background: var(--modal-overlay);
    backdrop-filter: blur(8px); z-index: 250;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.35s; padding: 24px;
}
.legal-overlay.active { opacity: 1; visibility: visible; }
.legal-modal {
    background: var(--modal-bg); border: 1px solid var(--border-glass);
    border-radius: 24px; width: 100%; max-width: 640px; max-height: 85vh;
    overflow-y: auto; box-shadow: 0 25px 80px rgba(0,0,0,0.4);
    transform: translateY(30px) scale(0.95); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.legal-overlay.active .legal-modal { transform: translateY(0) scale(1); }
.legal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 28px 28px 0; position: sticky; top: 0;
    background: var(--modal-bg); z-index: 1;
}
.legal-header h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; }
.legal-body { padding: 20px 28px 28px; }
.legal-body h3 { font-size: 16px; font-weight: 700; margin: 20px 0 10px; color: var(--accent); }
.legal-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; font-weight: 300; margin-bottom: 12px; }
.legal-body ul { margin: 0 0 16px 20px; }
.legal-body li { font-size: 14px; color: var(--text-secondary); line-height: 1.8; font-weight: 300; margin-bottom: 4px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .hero { padding: 48px 20px 40px; }
    .stats { gap: 28px; padding-bottom: 40px; }
    .stat-number { font-size: 26px; }
    .section { padding: 0 20px 56px; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .tools-grid { grid-template-columns: 1fr; gap: 16px; }
    .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .search-shortcut { display: none; }
    .search-input { padding: 18px 20px 18px 52px; font-size: 15px; }
    .feedback-card { padding: 24px; }
    .feedback-header { flex-direction: column; text-align: center; }
    .cookie-bar { flex-direction: column; gap: 12px; padding: 16px 20px; }
    .cookie-content { text-align: center; }
    .legal-modal { margin: 12px; border-radius: 20px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1 / -1; }
    .tool-card { padding: 24px; }
    .tool-card-arrow { opacity: 1; transform: translateX(0); }
    .modal { margin: 12px; border-radius: 20px; }
    .modal-body { padding: 20px; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .categories-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .hero h1 { letter-spacing: -1px; }
}

/* ========== FAVORITES & RECENTLY USED ========== */
.color-fav { background: rgba(239,68,68,0.12); color: #ef4444; }
.color-recent { background: rgba(99,102,241,0.12); color: #6366f1; }
.tag-fav { border-color: rgba(239,68,68,0.25); }
.tag-recent { border-color: rgba(99,102,241,0.25); }
.card-fav { --neon: #ef4444; --neon-rgb: 239,68,68; }
.card-fav::before { background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(var(--neon-rgb), 0.12), transparent 60%); }
.card-recent { --neon: #6366f1; --neon-rgb: 99,102,241; }
.card-recent::before { background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(var(--neon-rgb), 0.12), transparent 60%); }

/* ========== MODAL FAVORITE BUTTON ========== */
.modal-fav-btn {
    background: none; border: none; font-size: 22px; cursor: pointer;
    padding: 4px 8px; border-radius: 8px; transition: transform 0.2s, background 0.2s;
    line-height: 1; display: flex; align-items: center; justify-content: center;
}
.modal-fav-btn:hover { transform: scale(1.2); background: rgba(239,68,68,0.1); }
.modal-fav-btn.is-fav { animation: favPop 0.3s ease-out; }
@keyframes favPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.4); }
    100% { transform: scale(1); }
}

/* ========== RESULT COPY BUTTON ========== */
.result-copy-btn {
    margin-top: 14px; padding: 10px 18px; font-size: 13px; font-weight: 600;
    font-family: 'Poppins', sans-serif; border-radius: 10px; cursor: pointer;
    background: var(--bg-glass); color: var(--text-secondary);
    border: 1px solid var(--border-glass);
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    display: inline-flex; align-items: center; gap: 6px;
    width: 100%;
    justify-content: center;
}
.result-copy-btn:hover {
    color: var(--accent); border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0,229,255,0.2);
    background: rgba(0,229,255,0.06);
}

/* ========== RESULT ACTION BUTTONS ========== */
.result-actions {
    display: flex; flex-wrap: wrap; gap: 6px;
    padding: 0 24px 16px;
}
.result-action-btn {
    padding: 8px 14px; font-size: 11px; font-weight: 600;
    font-family: 'Poppins', sans-serif; border-radius: 20px; cursor: pointer;
    border: 1px solid var(--border-glass); transition: all 0.25s;
    display: inline-flex; align-items: center; gap: 5px;
    background: var(--bg-glass); color: var(--text-muted);
}
.result-action-btn:hover { transform: translateY(-1px); color: var(--text-primary); }
.ra-copy:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,229,255,0.08); }
.ra-pdf:hover { border-color: #ef4444; color: #ef4444; background: rgba(239,68,68,0.08); }
.ra-whatsapp:hover { border-color: #25d366; color: #25d366; background: rgba(37,211,102,0.08); }
.ra-twitter:hover { border-color: #1da1f2; color: #1da1f2; background: rgba(29,161,242,0.08); }
.ra-share { border-color: var(--accent); color: var(--accent); background: rgba(0,229,255,0.06); }
.ra-share:hover { background: rgba(0,229,255,0.15); }

/* ========== RATING WIDGET ========== */
.rating-widget {
    display: flex; align-items: center; gap: 2px;
    padding: 12px 24px 16px;
    border-top: 1px solid var(--border-glass); margin: 0 16px;
}
.rating-label {
    font-size: 11px; color: var(--text-muted); margin-right: 10px; font-weight: 600;
    letter-spacing: 0.3px;
}
.rating-star {
    background: none; border: none; cursor: pointer;
    font-size: 22px; color: var(--text-muted); padding: 2px 2px;
    transition: color 0.2s, transform 0.2s;
    opacity: 0.3; filter: grayscale(1);
}
.rating-star:hover, .rating-star.active {
    color: #f59e0b; opacity: 1; transform: scale(1.25); filter: grayscale(0);
}
.rating-star:hover ~ .rating-star { color: var(--text-muted); opacity: 0.3; filter: grayscale(1); }

/* ========== CALCULATION HISTORY ========== */
.color-history { background: rgba(234,179,8,0.12); color: #eab308; }
.tag-history { border-color: rgba(234,179,8,0.25); }
.section-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.clear-history-btn {
    padding: 8px 16px; font-size: 12px; font-weight: 600;
    font-family: 'Poppins', sans-serif; border-radius: 8px; cursor: pointer;
    background: rgba(239,68,68,0.1); color: #ef4444; border: 1px solid rgba(239,68,68,0.25);
    transition: all 0.3s;
}
.clear-history-btn:hover { background: rgba(239,68,68,0.2); box-shadow: 0 0 15px rgba(239,68,68,0.15); }
.history-list {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px;
}
.history-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; border-radius: 12px;
    background: var(--bg-glass); border: 1px solid var(--border-glass);
    transition: all 0.3s;
}
.history-item:hover { border-color: var(--accent); box-shadow: 0 0 15px var(--accent-glow); }
.history-icon { font-size: 24px; flex-shrink: 0; }
.history-info { min-width: 0; }
.history-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.history-value { font-size: 15px; font-weight: 800; color: var(--accent); margin: 2px 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-date { font-size: 11px; color: var(--text-muted); }

/* ========== LANGUAGE TOGGLE ========== */
.lang-toggle {
    width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border-glass);
    background: var(--bg-glass); color: var(--text-secondary); cursor: pointer;
    font-size: 13px; font-weight: 700; font-family: 'Poppins', sans-serif;
    transition: all 0.3s; display: flex; align-items: center; justify-content: center;
}
.lang-toggle:hover {
    color: var(--accent); border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Validation */
.input-error {
    border-color: #ff4757 !important;
    box-shadow: 0 0 0 2px rgba(255, 71, 87, 0.25) !important;
}
.validation-msg {
    display: block;
    color: #ff4757;
    font-size: 12px;
    margin-top: 4px;
    font-weight: 500;
}