/* ===== DESIGN TOKENS ===== */
:root {
--primary: #5B3FE8;
--primary-dark: #4029C8;
--primary-light: #7B66FF;
--accent: #FF6B35;
--accent-light: #FF8C5A;
--bg: #0D0B1A;
--bg-card: #16132B;
--bg-card2: #1E1A38;
--surface: #241F42;
--surface-hover: #2E2756;
--border: #2E2860;
--text: #F0EDFF;
--text-muted: #8A85B8;
--text-dim: #5E5A85;
--success: #22D3A0;
--warning: #F59E0B;
--error: #EF4444;
--radius: 14px;
--radius-sm: 8px;
--shadow: 0 8px 32px rgba(91,63,232,0.18);
--shadow-lg: 0 20px 60px rgba(91,63,232,0.28);
--font-body: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
--transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
font-family: var(--font-body);
background: var(--bg);
color: var(--text);
line-height: 1.65;
overflow-x: hidden;
-webkit-font-smoothing: antialiased;
}
a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== COOKIE BANNER ===== */
#cookie-banner {
position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
background: var(--bg-card2);
border-top: 1px solid var(--border);
padding: 14px 20px;
display: flex; align-items: center; justify-content: space-between; gap: 16px;
flex-wrap: wrap;
box-shadow: 0 -4px 24px rgba(0,0,0,0.4);
}
#cookie-banner p { font-size: 0.85rem; color: var(--text-muted); flex: 1; min-width: 200px; }
#cookie-banner a { color: var(--primary-light); text-decoration: underline; }
.cookie-btn {
background: var(--primary); color: #fff; border-radius: var(--radius-sm);
padding: 8px 20px; font-size: 0.85rem; font-weight: 600;
white-space: nowrap; transition: background var(--transition);
}
.cookie-btn:hover { background: var(--primary-dark); }

/* ===== NAVBAR ===== */
#navbar {
position: sticky; top: 0; z-index: 1000;
background: rgba(13,11,26,0.92);
backdrop-filter: blur(16px);
-webkit-backdrop-filter: blur(16px);
border-bottom: 1px solid var(--border);
transition: box-shadow var(--transition);
}
#navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.4); }
.nav-inner {
max-width: 1200px; margin: 0 auto;
padding: 0 20px;
display: flex; align-items: center; justify-content: space-between;
height: 64px;
}
.nav-logo {
font-size: 1.25rem; font-weight: 800; color: var(--text);
display: flex; align-items: center; gap: 8px;
letter-spacing: -0.5px;
}
.nav-logo span { color: var(--primary-light); }
.nav-logo svg { width: 28px; height: 28px; }
.nav-links {
display: flex; align-items: center; gap: 4px;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
display: flex; align-items: center; gap: 4px;
padding: 8px 12px; border-radius: var(--radius-sm);
font-size: 0.875rem; font-weight: 500; color: var(--text-muted);
transition: all var(--transition);
}
.nav-links > li > a:hover { background: var(--surface); color: var(--text); }
.nav-links > li > a.active { color: var(--primary-light); }
.chevron { width: 12px; height: 12px; transition: transform var(--transition); }
.nav-links > li:hover .chevron { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
position: absolute; top: calc(100% + 8px); left: 0;
min-width: 240px;
background: var(--bg-card2);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 8px;
opacity: 0; visibility: hidden; transform: translateY(-8px);
transition: all var(--transition);
box-shadow: var(--shadow);
z-index: 100;
}
.nav-links > li:hover .dropdown,
.nav-links > li:focus-within .dropdown {
opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a {
display: block; padding: 8px 12px; border-radius: var(--radius-sm);
font-size: 0.825rem; color: var(--text-muted);
transition: all var(--transition);
white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dropdown a:hover { background: var(--surface); color: var(--text); }

/* Hamburger */
.hamburger {
display: none; flex-direction: column; gap: 5px;
background: none; padding: 8px; border-radius: var(--radius-sm);
transition: background var(--transition);
}
.hamburger:hover { background: var(--surface); }
.hamburger span {
display: block; width: 22px; height: 2px;
background: var(--text); border-radius: 2px;
transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
display: none;
background: var(--bg-card);
border-top: 1px solid var(--border);
padding: 12px 20px 20px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
display: block; padding: 10px 12px; border-radius: var(--radius-sm);
font-size: 0.875rem; color: var(--text-muted);
transition: all var(--transition);
}
.mobile-menu a:hover { background: var(--surface); color: var(--text); }
.mobile-section-title {
font-size: 0.7rem; font-weight: 700; color: var(--text-dim);
text-transform: uppercase; letter-spacing: 1px;
padding: 12px 12px 4px;
}

/* ===== BREADCRUMB ===== */
.breadcrumb-wrap {
max-width: 1200px; margin: 0 auto; padding: 14px 20px 0;
}
.breadcrumb {
display: flex; align-items: center; gap: 6px;
flex-wrap: wrap;
}
.breadcrumb li {
display: flex; align-items: center; gap: 6px;
font-size: 0.8rem; color: var(--text-dim);
}
.breadcrumb li a { color: var(--text-muted); }
.breadcrumb li a:hover { color: var(--primary-light); }
.breadcrumb li.active { color: var(--text-muted); }
.breadcrumb li:not(:last-child)::after {
content: '›'; color: var(--text-dim);
}

/* ===== HERO ===== */
.hero {
max-width: 1200px; margin: 0 auto;
padding: 56px 20px 36px;
text-align: center;
}
.hero-badge {
display: inline-flex; align-items: center; gap: 6px;
background: rgba(91,63,232,0.15);
border: 1px solid rgba(91,63,232,0.3);
color: var(--primary-light);
font-size: 0.775rem; font-weight: 600;
letter-spacing: 0.5px; text-transform: uppercase;
padding: 5px 14px; border-radius: 100px;
margin-bottom: 20px;
}
.hero h1 {
font-size: clamp(2.2rem, 5vw, 3.6rem);
font-weight: 900;
line-height: 1.15;
letter-spacing: -1.5px;
margin-bottom: 18px;
background: linear-gradient(135deg, #fff 0%, var(--primary-light) 60%, var(--accent) 100%);
-webkit-background-clip: text; -webkit-text-fill-color: transparent;
background-clip: text;
}
.hero p {
font-size: clamp(1rem, 2vw, 1.18rem);
color: var(--text-muted); max-width: 660px; margin: 0 auto 36px;
}
.hero-stats {
display: flex; align-items: center; justify-content: center; gap: 32px;
flex-wrap: wrap; margin-bottom: 40px;
}
.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-size: 1.6rem; font-weight: 800; color: var(--text); }
.hero-stat span { font-size: 0.78rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== TOOL CARD ===== */
.tool-section {
max-width: 920px; margin: 0 auto 50px;
padding: 0 20px;
}
.tool-card {
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: 20px;
padding: 36px;
box-shadow: var(--shadow-lg);
}
.tool-card-header {
display: flex; align-items: center; gap: 14px;
margin-bottom: 26px;
}
.tool-icon {
width: 48px; height: 48px; border-radius: 12px;
background: linear-gradient(135deg, var(--primary), var(--primary-light));
display: flex; align-items: center; justify-content: center;
font-size: 1.4rem; flex-shrink: 0;
box-shadow: 0 4px 12px rgba(91,63,232,0.3);
}
.tool-header-text { flex: 1; }
.tool-header-top {
display: flex; align-items: center; justify-content: space-between;
flex-wrap: wrap; gap: 8px; margin-bottom: 2px;
}
.tool-card-header h2 { font-size: 1.35rem; font-weight: 700; color: var(--text); }
.tool-card-header p { font-size: 0.85rem; color: var(--text-muted); }

/* Dictionary Status Badge */
.dict-status {
display: inline-flex; align-items: center; gap: 6px;
background: var(--surface); border: 1.5px solid var(--border);
border-radius: 100px; padding: 4px 12px;
font-size: 0.72rem; font-weight: 600; color: var(--text-muted);
}
.status-dot {
width: 8px; height: 8px; border-radius: 50%;
background: var(--success); display: inline-block;
box-shadow: 0 0 8px rgba(34, 211, 160, 0.7);
animation: pulseDot 2s infinite ease-in-out;
}
@keyframes pulseDot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.85); } }

/* Input Group */
.input-group { margin-bottom: 20px; }
.input-label {
display: flex; align-items: center; justify-content: space-between;
margin-bottom: 8px;
}
.input-label label { font-size: 0.875rem; font-weight: 600; color: var(--text); }
.char-counter { font-size: 0.78rem; color: var(--text-dim); }
.char-counter.warn { color: var(--warning); }
.char-counter.error { color: var(--error); }

.input-wrap { position: relative; }
.main-input {
width: 100%;
background: var(--surface);
border: 2px solid var(--border);
border-radius: var(--radius);
color: var(--text);
font-family: inherit; font-size: 1.1rem;
padding: 14px 48px 14px 18px;
transition: border-color var(--transition), box-shadow var(--transition);
outline: none;
}
.main-input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(91,63,232,0.18); }
.main-input.invalid { border-color: var(--error); box-shadow: 0 0 0 4px rgba(239,68,68,0.12); }
.main-input.valid { border-color: var(--success); }
.input-clear {
position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
background: var(--surface-hover); border: 1px solid var(--border);
color: var(--text-muted); width: 28px; height: 28px;
border-radius: 50%; font-size: 0.85rem;
display: none; align-items: center; justify-content: center;
transition: all var(--transition);
}
.input-clear:hover { background: var(--error); color: #fff; border-color: var(--error); }
.input-clear.show { display: flex; }

.validation-msg {
margin-top: 6px; font-size: 0.8rem;
min-height: 18px; transition: all var(--transition);
}
.validation-msg.error { color: var(--error); }
.validation-msg.success { color: var(--success); }
.validation-msg.info { color: var(--primary-light); }

/* Live Preview Tiles */
.live-preview {
margin-top: 14px; margin-bottom: 20px;
background: var(--surface);
border: 1.5px solid var(--border);
border-radius: var(--radius-sm);
padding: 12px 16px;
display: none;
}
.live-preview.show { display: block; }
.live-preview-label { font-size: 0.72rem; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.letter-tiles { display: flex; flex-wrap: wrap; gap: 6px; }
.tile {
background: var(--bg-card2);
border: 1.5px solid var(--primary);
border-radius: 6px; padding: 4px 10px;
font-size: 1rem; font-weight: 700; color: var(--primary-light);
animation: popIn 0.18s ease;
}
@keyframes popIn { from { transform: scale(0.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* Options Grid */
.options-grid {
display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
gap: 14px; margin-bottom: 24px;
}
.option-group label {
display: block; font-size: 0.76rem; font-weight: 700;
color: var(--text-muted); margin-bottom: 6px;
text-transform: uppercase; letter-spacing: 0.5px;
}
.option-group select,
.option-group input[type="number"],
.option-group input[type="text"] {
width: 100%;
background: var(--surface); border: 1.5px solid var(--border);
border-radius: var(--radius-sm); color: var(--text);
font-family: inherit; font-size: 0.875rem; padding: 10px 12px;
outline: none; transition: border-color var(--transition);
-webkit-appearance: none;
}
.option-group select:focus,
.option-group input:focus { border-color: var(--primary); }
.option-group select {
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A85B8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
background-repeat: no-repeat; background-position: right 10px center; padding-right: 30px;
}

/* Toggle Switches */
.toggles-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.toggle-item {
display: flex; align-items: center; gap: 8px;
background: var(--surface); border: 1.5px solid var(--border);
border-radius: 100px; padding: 7px 14px;
cursor: pointer; transition: all var(--transition);
}
.toggle-item:hover { border-color: var(--primary); }
.toggle-item input { display: none; }
.toggle-item input:checked + .toggle-track { background: var(--primary); }
.toggle-item input:checked + .toggle-track .toggle-thumb { transform: translateX(14px); }
.toggle-track {
width: 30px; height: 16px; border-radius: 100px;
background: var(--border); position: relative;
transition: background var(--transition); flex-shrink: 0;
}
.toggle-thumb {
position: absolute; top: 1px; left: 1px;
width: 14px; height: 14px; border-radius: 50%;
background: #fff; transition: transform var(--transition);
box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.toggle-label { font-size: 0.8rem; font-weight: 500; color: var(--text-muted); user-select: none; }
.toggle-item:has(input:checked) .toggle-label { color: var(--text); }

/* Action Buttons */
.action-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
flex: 1; min-width: 160px;
background: linear-gradient(135deg, var(--primary), var(--primary-light));
color: #fff; font-size: 1rem; font-weight: 700;
padding: 14px 28px; border-radius: var(--radius);
transition: all var(--transition);
box-shadow: 0 4px 16px rgba(91,63,232,0.35);
display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 8px 28px rgba(91,63,232,0.45);
background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-secondary {
background: var(--surface); color: var(--text-muted);
font-size: 0.9rem; font-weight: 600;
padding: 14px 20px; border-radius: var(--radius);
border: 1.5px solid var(--border);
transition: all var(--transition);
display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-secondary:hover { background: var(--bg-card2); color: var(--text); border-color: var(--primary); }

/* ===== RESULTS SECTION ===== */
#results-section {
max-width: 920px; margin: 0 auto 60px;
padding: 0 20px;
display: none;
}
#results-section.show { display: block; }
.results-header {
display: flex; align-items: center; justify-content: space-between;
margin-bottom: 16px; flex-wrap: wrap; gap: 14px;
}
.results-header-info h3 { font-size: 1.25rem; font-weight: 800; color: var(--text); }
.results-meta { font-size: 0.82rem; color: var(--text-muted); }
.results-controls-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* View Switcher */
.view-switcher {
display: inline-flex; background: var(--surface);
border: 1.5px solid var(--border); border-radius: var(--radius-sm);
padding: 3px; gap: 3px;
}
.view-btn {
background: transparent; color: var(--text-muted);
font-size: 0.78rem; font-weight: 600; padding: 6px 12px;
border-radius: 6px; transition: all var(--transition);
}
.view-btn:hover { color: var(--text); }
.view-btn.active { background: var(--primary); color: #fff; }

.results-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-action {
display: flex; align-items: center; gap: 6px;
background: var(--surface); border: 1.5px solid var(--border);
color: var(--text-muted); font-size: 0.8rem; font-weight: 600;
padding: 7px 14px; border-radius: var(--radius-sm);
transition: all var(--transition); cursor: pointer;
}
.btn-action:hover { border-color: var(--primary); color: var(--primary-light); background: var(--bg-card2); }
.btn-action.danger:hover { border-color: var(--error); color: var(--error); }

/* Stats Bar */
.stats-bar {
display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px;
}
.stat-chip {
background: var(--surface); border: 1px solid var(--border);
border-radius: 100px; padding: 6px 14px;
font-size: 0.78rem; color: var(--text-muted);
display: flex; align-items: center; gap: 6px;
}
.stat-chip strong { color: var(--text); }

/* Filter Row & Dynamic Pills */
.filter-row {
display: flex; align-items: center; gap: 10px;
margin-bottom: 16px; flex-wrap: wrap;
}
.filter-search-wrap { flex: 1; min-width: 180px; }
.filter-search-wrap input {
width: 100%;
background: var(--surface); border: 1.5px solid var(--border);
border-radius: var(--radius-sm); color: var(--text);
font-family: inherit; font-size: 0.875rem; padding: 9px 12px;
outline: none; transition: border-color var(--transition);
}
.filter-search-wrap input:focus { border-color: var(--primary); }

.filter-pills-wrap {
display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.filter-pill {
background: var(--surface); border: 1.5px solid var(--border);
color: var(--text-muted); font-size: 0.78rem; font-weight: 600;
padding: 6px 12px; border-radius: 100px; cursor: pointer;
transition: all var(--transition); white-space: nowrap;
}
.filter-pill:hover { border-color: var(--primary-light); color: var(--text); }
.filter-pill.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Selected words tray */
.selected-display {
background: var(--surface);
border: 1.5px solid var(--border);
border-radius: var(--radius-sm);
padding: 12px 16px; margin-bottom: 16px;
display: none;
}
.selected-display.show { display: block; }
.selected-header {
display: flex; align-items: center; justify-content: space-between;
margin-bottom: 8px;
}
.selected-display-label { font-size: 0.72rem; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; }
.selected-tools { display: flex; gap: 8px; }
.btn-sel-tool {
background: none; border: none; font-size: 0.76rem; font-weight: 600;
color: var(--primary-light); padding: 2px 6px; cursor: pointer;
}
.btn-sel-tool:hover { text-decoration: underline; }
.selected-words { display: flex; flex-wrap: wrap; gap: 6px; }
.sel-pill {
background: rgba(255,107,53,0.15); border: 1px solid var(--accent);
color: var(--accent-light); font-size: 0.82rem; font-weight: 600;
padding: 3px 10px; border-radius: 100px;
display: flex; align-items: center; gap: 6px;
}
.sel-pill button { background: none; color: inherit; font-size: 1rem; line-height: 1; padding: 0 2px; }

/* Unified Results Grid */
.results-grid {
display: grid; grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
gap: 10px; margin-bottom: 16px;
max-height: 520px; overflow-y: auto;
padding: 4px;
}

/* Grouped Results Sections */
.grouped-container { display: flex; flex-direction: column; gap: 14px; margin-bottom: 16px; }
.group-section {
background: var(--bg-card); border: 1.5px solid var(--border);
border-radius: var(--radius-sm); overflow: hidden;
}
.group-header {
width: 100%; display: flex; align-items: center; justify-content: space-between;
padding: 12px 18px; background: rgba(91,63,232,0.08);
border: none; color: var(--text); font-weight: 700;
font-size: 0.95rem; cursor: pointer; transition: background var(--transition);
}
.group-header:hover { background: rgba(91,63,232,0.16); }
.group-title-wrap { display: flex; align-items: center; gap: 8px; }
.group-count {
background: var(--primary); color: #fff; font-size: 0.72rem;
padding: 2px 8px; border-radius: 100px; font-weight: 700;
}
.group-arrow { font-size: 0.85rem; transition: transform var(--transition); }
.group-section.collapsed .group-arrow { transform: rotate(-90deg); }
.group-body {
padding: 14px; display: grid; grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
gap: 10px;
}
.group-section.collapsed .group-body { display: none; }

/* Result Card / Tile */
.result-word {
background: var(--bg-card2);
border: 1.5px solid var(--border);
border-radius: var(--radius-sm);
padding: 10px 10px 8px; text-align: center;
font-size: 0.95rem; font-weight: 700; color: var(--text);
cursor: pointer; transition: all var(--transition);
position: relative; user-select: none;
animation: fadeSlideIn 0.22s ease both;
content-visibility: auto;
contain-intrinsic-size: 135px 70px;
}
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.result-word:hover {
border-color: var(--primary);
background: rgba(91,63,232,0.14);
color: #fff;
transform: translateY(-2px);
}
.result-word.selected {
border-color: var(--accent);
background: rgba(255,107,53,0.14);
color: var(--accent-light);
}

.word-len {
position: absolute; top: -7px; right: -7px;
background: var(--primary); color: #fff;
font-size: 0.62rem; font-weight: 700;
width: 19px; height: 19px; border-radius: 50%;
display: flex; align-items: center; justify-content: center;
box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}
.word-pts {
position: absolute; bottom: -7px; left: -7px;
background: linear-gradient(135deg, #F59E0B, #D97706);
color: #fff; font-size: 0.62rem; font-weight: 700;
padding: 1px 6px; border-radius: 100px;
box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}
.word-star {
position: absolute; top: -7px; left: -7px;
color: #FBBF24; font-size: 0.8rem; line-height: 1;
}

.card-actions {
display: flex; gap: 4px; justify-content: center; margin-top: 6px;
opacity: 0.4; transition: opacity var(--transition);
}
.result-word:hover .card-actions,
.result-word:focus-within .card-actions { opacity: 1; }
.card-btn {
background: var(--surface); border: 1px solid var(--border);
color: var(--text-muted); font-size: 0.72rem; padding: 2px 6px;
border-radius: 4px; transition: all var(--transition);
}
.card-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Load More Button */
.load-more-wrap { text-align: center; margin-top: 14px; }
.btn-load-more {
background: var(--surface); border: 1.5px solid var(--border);
color: var(--text); font-size: 0.85rem; font-weight: 600;
padding: 9px 24px; border-radius: 100px; transition: all var(--transition);
}
.btn-load-more:hover { border-color: var(--primary); color: var(--primary-light); background: var(--bg-card2); }

/* No Results */
.no-results {
text-align: center; padding: 40px 20px;
color: var(--text-muted);
}
.no-results svg { margin: 0 auto 12px; opacity: 0.4; }
.no-results p { font-size: 0.95rem; }

/* Progress bar */
.progress-wrap { margin-bottom: 16px; }
.progress-bar {
height: 4px; background: var(--border); border-radius: 2px; overflow: hidden;
}
.progress-fill {
height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent));
border-radius: 2px; width: 0;
transition: width 0.4s ease;
}

/* Spinner */
.spinner-wrap { text-align: center; padding: 40px; display: none; }
.spinner-wrap.show { display: block; }
.spinner {
width: 48px; height: 48px;
border: 3px solid var(--border);
border-top-color: var(--primary);
border-radius: 50%;
animation: spin 0.8s linear infinite;
margin: 0 auto 14px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast */
#toast {
position: fixed; bottom: 80px; right: 20px; z-index: 9998;
background: var(--bg-card2); border: 1px solid var(--border);
border-radius: var(--radius); padding: 12px 20px;
font-size: 0.875rem; color: var(--text);
box-shadow: var(--shadow);
transform: translateX(120%);
transition: transform 0.3s ease;
max-width: 300px;
display: flex; align-items: center; gap: 8px;
}
#toast.show { transform: translateX(0); }
#toast.success { border-color: var(--success); }
#toast.error { border-color: var(--error); }

/* Word Definition Modal */
.def-modal-backdrop {
position: fixed; inset: 0; background: rgba(0,0,0,0.75);
backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
z-index: 10000;
display: none; align-items: center; justify-content: center;
padding: 20px;
}
.def-modal-backdrop.open { display: flex; }
.def-modal-box {
background: var(--bg-card); border: 1.5px solid var(--border);
border-radius: 20px; max-width: 520px; width: 100%;
padding: 30px; box-shadow: var(--shadow-lg); position: relative;
max-height: 85vh; overflow-y: auto; animation: popIn 0.2s ease;
}
.def-modal-close {
position: absolute; top: 18px; right: 18px;
background: var(--surface); border: 1px solid var(--border);
color: var(--text-muted); width: 32px; height: 32px;
border-radius: 50%; font-size: 1rem;
display: flex; align-items: center; justify-content: center;
transition: all var(--transition);
}
.def-modal-close:hover { background: var(--error); color: #fff; border-color: var(--error); }
.def-modal-title { font-size: 1.6rem; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.def-modal-phonetic { font-size: 0.95rem; color: var(--primary-light); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.btn-speech {
background: var(--surface); border: 1px solid var(--border);
color: var(--text-muted); padding: 4px 10px; border-radius: 100px;
font-size: 0.8rem; font-weight: 600; cursor: pointer;
}
.btn-speech:hover { color: #fff; background: var(--primary); }
.def-modal-scores {
display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px;
padding-bottom: 16px; border-bottom: 1px solid var(--border);
}
.def-score-tag {
background: var(--surface); border: 1px solid var(--border);
border-radius: var(--radius-sm); padding: 6px 12px;
font-size: 0.8rem; color: var(--text-muted);
}
.def-score-tag strong { color: var(--text); }
.def-content { margin-bottom: 20px; }
.def-meaning-group { margin-bottom: 16px; }
.def-pos {
display: inline-block; background: rgba(91,63,232,0.15);
border: 1px solid rgba(91,63,232,0.3); color: var(--primary-light);
font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
letter-spacing: 0.5px; padding: 2px 8px; border-radius: 4px;
margin-bottom: 8px;
}
.def-list { padding-left: 20px; list-style: decimal; color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }
.def-list li { margin-bottom: 6px; }
.def-example { font-style: italic; color: var(--text-dim); display: block; font-size: 0.82rem; }
.def-footer {
display: flex; justify-content: space-between; align-items: center;
padding-top: 16px; border-top: 1px solid var(--border); flex-wrap: wrap; gap: 10px;
}

/* ===== SECTIONS ===== */
.section {
max-width: 1200px; margin: 0 auto;
padding: 70px 20px;
content-visibility: auto;
}
.section-eyebrow {
font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
letter-spacing: 1.5px; color: var(--primary-light); margin-bottom: 12px;
}
.section-title {
font-size: clamp(1.75rem, 3.5vw, 2.4rem);
font-weight: 800; letter-spacing: -1px; line-height: 1.25;
color: var(--text); margin-bottom: 16px;
}
.section-sub {
font-size: 1rem; color: var(--text-muted); max-width: 600px;
}
.section-divider {
border: none; border-top: 1px solid var(--border); margin: 0;
}

/* Features */
.features-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 20px; margin-top: 44px;
}
.feature-card {
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 26px;
transition: all var(--transition);
}
.feature-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-icon {
width: 46px; height: 46px; border-radius: 12px; margin-bottom: 14px;
background: rgba(91,63,232,0.15); border: 1px solid rgba(91,63,232,0.25);
display: flex; align-items: center; justify-content: center;
font-size: 1.35rem;
}
.feature-card h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.feature-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* How It Works */
.how-steps {
display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
gap: 24px; margin-top: 44px;
}
.how-step { text-align: center; padding: 20px 16px; }
.step-num {
width: 50px; height: 50px; border-radius: 50%;
background: linear-gradient(135deg, var(--primary), var(--primary-light));
color: #fff; font-size: 1.25rem; font-weight: 800;
display: flex; align-items: center; justify-content: center;
margin: 0 auto 16px;
box-shadow: 0 4px 14px rgba(91,63,232,0.35);
}
.how-step h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.how-step p { font-size: 0.875rem; color: var(--text-muted); }

/* SEO Article */
.seo-article {
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 36px; margin-top: 40px;
}
.seo-article h2 { font-size: 1.45rem; font-weight: 800; color: var(--text); margin-bottom: 16px; }
.seo-article h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary-light); margin: 24px 0 10px; }
.seo-article p { font-size: 0.925rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.75; }
.seo-article strong { color: var(--text); }
.seo-article ul { padding-left: 20px; list-style: disc; margin-bottom: 14px; color: var(--text-muted); font-size: 0.9rem; }
.seo-article li { margin-bottom: 6px; }

/* FAQ */
.faq-list { margin-top: 36px; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: var(--radius);
overflow: hidden;
transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--primary); }
.faq-q {
width: 100%; background: none; color: var(--text);
font-size: 0.95rem; font-weight: 600;
padding: 18px 20px; text-align: left;
display: flex; align-items: center; justify-content: space-between; gap: 12px;
cursor: pointer; transition: background var(--transition);
}
.faq-q:hover { background: rgba(91,63,232,0.06); }
.faq-arrow {
width: 20px; height: 20px; flex-shrink: 0;
border-radius: 50%; background: var(--surface);
display: flex; align-items: center; justify-content: center;
font-size: 0.8rem; transition: transform var(--transition), background var(--transition);
}
.faq-item.open .faq-arrow { transform: rotate(180deg); background: var(--primary); }
.faq-a {
max-height: 0; overflow: hidden;
transition: max-height 0.35s ease, padding 0.35s ease;
padding: 0 20px;
}
.faq-item.open .faq-a { max-height: 220px; padding: 0 20px 18px; }
.faq-a p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* CTA Section */
.cta-section {
background: linear-gradient(135deg, var(--bg-card) 0%, rgba(91,63,232,0.12) 100%);
border: 1px solid var(--border);
border-radius: 24px;
padding: 56px 40px;
text-align: center;
position: relative; overflow: hidden;
max-width: 1200px; margin: 0 auto 70px;
margin-left: 20px; margin-right: 20px;
}
.cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 12px; color: var(--text); }
.cta-section p { color: var(--text-muted); margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-cta-primary {
background: linear-gradient(135deg, var(--primary), var(--primary-light));
color: #fff; font-weight: 700; font-size: 0.95rem;
padding: 14px 28px; border-radius: var(--radius);
transition: all var(--transition);
box-shadow: 0 4px 16px rgba(91,63,232,0.35);
display: inline-flex; align-items: center; gap: 8px;
}
.btn-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(91,63,232,0.45); color: #fff; }
.btn-cta-secondary {
background: transparent; color: var(--text);
border: 1.5px solid var(--border); font-weight: 700; font-size: 0.95rem;
padding: 14px 28px; border-radius: var(--radius);
transition: all var(--transition);
display: inline-flex; align-items: center; gap: 8px;
}
.btn-cta-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Related Links */
.related-section {
max-width: 1200px; margin: 0 auto 60px; padding: 0 20px;
}
.related-section h3 {
font-size: 1rem; font-weight: 700; color: var(--text);
margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.related-links {
display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 8px;
}
.related-links a {
display: flex; align-items: center; gap: 8px;
background: var(--bg-card); border: 1px solid var(--border);
border-radius: var(--radius-sm); padding: 10px 14px;
font-size: 0.825rem; color: var(--text-muted);
transition: all var(--transition);
overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.related-links a::before { content: '→'; color: var(--primary-light); font-weight: 700; }
.related-links a:hover { border-color: var(--primary); background: rgba(91,63,232,0.07); color: var(--text); }

/* Disclaimer */
.disclaimer { max-width: 1200px; margin: 0 auto 40px; padding: 0 20px; }
.disclaimer-box {
background: rgba(245,158,11,0.06);
border: 1px solid rgba(245,158,11,0.2);
border-radius: var(--radius-sm);
padding: 14px 18px; font-size: 0.8rem; color: var(--text-dim); line-height: 1.6;
}
.disclaimer-box strong { color: var(--warning); }

/* ===== FOOTER ===== */
footer {
background: var(--bg-card);
border-top: 1px solid var(--border);
padding: 60px 20px 30px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top {
display: grid;
grid-template-columns: 1.5fr repeat(2, 1fr) 1fr;
gap: 40px; margin-bottom: 40px;
}
.footer-brand p { font-size: 0.875rem; color: var(--text-muted); margin-top: 12px; line-height: 1.65; }
.footer-col h4 {
font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
letter-spacing: 1px; color: var(--text-dim); margin-bottom: 14px;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
font-size: 0.825rem; color: var(--text-muted);
transition: color var(--transition);
white-space: nowrap; overflow: hidden; display: block; text-overflow: ellipsis;
}
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
display: flex; align-items: center; justify-content: space-between;
padding-top: 24px; border-top: 1px solid var(--border);
flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-dim); }
.footer-bottom-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-bottom-links a { font-size: 0.8rem; color: var(--text-dim); }
.footer-bottom-links a:hover { color: var(--primary-light); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
.footer-top { grid-template-columns: 1fr 1fr; }
.footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
.nav-links { display: none; }
.hamburger { display: flex; }
.hero { padding: 40px 20px 30px; }
.tool-card { padding: 22px 18px; }
.options-grid { grid-template-columns: 1fr 1fr; }
.cta-section { padding: 40px 22px; margin-left: 16px; margin-right: 16px; }
.features-grid { grid-template-columns: 1fr; }
.how-steps { grid-template-columns: 1fr 1fr; }
.results-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
.group-body { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
.action-row { flex-direction: column; }
.btn-primary { min-width: 100%; }
}
@media (max-width: 500px) {
.footer-top { grid-template-columns: 1fr; gap: 28px; }
.how-steps { grid-template-columns: 1fr; }
.options-grid { grid-template-columns: 1fr; }
.hero-stats { gap: 18px; }
.results-header { flex-direction: column; align-items: flex-start; }
.filter-row { flex-direction: column; align-items: stretch; }
.filter-search-wrap { width: 100%; }
}