/* ═══════════════════════════════════════════════════════
   AEYCEN Toolbox — Shared Dark Neon Theme
   Include on every page: <link rel="stylesheet" href="styles/toolbox-theme.css">
   Font import required in each HTML <head>:
   <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Outfit:wght@300;400;600;700&display=swap" rel="stylesheet">
   ═══════════════════════════════════════════════════════ */

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

:root {
    --bg-deep: #0a0a0f;
    --bg-surface: #12121c;
    --bg-card: #1a1a2e;
    --bg-input: #0f0f1a;
    --border: #2a2a44;
    --border-glow: #00e5ff33;
    --text-primary: #e8e8f0;
    --text-secondary: #8888aa;
    --text-muted: #555570;
    --accent: #00e5ff;
    --accent-dim: #00e5ff22;
    --accent-mid: #00e5ff55;
    --accent2: #ff2d75;
    --accent3: #a855f7;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ff2323;
    --font-display: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-display);
    min-height: 100vh;
    overflow-x: hidden;
    padding-bottom: 80px;
}

/* ── Ambient glow background ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
            radial-gradient(ellipse 600px 400px at 20% 20%, #00e5ff08, transparent),
            radial-gradient(ellipse 500px 500px at 80% 70%, #ff2d7508, transparent),
            radial-gradient(ellipse 400px 300px at 50% 50%, #a855f706, transparent);
    pointer-events: none;
    z-index: 0;
}

/* ── Subtle grid overlay ── */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
            linear-gradient(var(--border) 1px, transparent 1px),
            linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 80px 80px;
    opacity: 0.04;
    pointer-events: none;
    z-index: 0;
}

/* ── App container ── */
.app {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px 60px;
}

/* ═══════════════════════════════════
   Hero / Page Header
   ═══════════════════════════════════ */
.hero {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 48px 40px 40px;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3), var(--accent));
    background-size: 300% 100%;
    animation: gradientSlide 6s linear infinite;
}

.hero-tag {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
    cursor: pointer;
}

.hero-tag img {
    margin-right: 6px;
}

.hero h1, .hero h2 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 50%, var(--accent2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.hero h1 { font-size: 3rem; }
.hero h2 { font-size: 2.2rem; }

.hero p, .hero-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 300;
    max-width: 560px;
    margin: 0 auto 16px;
    line-height: 1.6;
}

.hero-version {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 4px 14px;
    border-radius: 20px;
    letter-spacing: 1px;
}

/* ═══════════════════════════════════
   Tool Header (simple centered)
   ═══════════════════════════════════ */
.header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.header .logo {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
    opacity: 0;
    animation: fadeDown 0.6s ease forwards;
}

.header .logo .logo-href {
    cursor: pointer;
}

.header .logo img {
    vertical-align: -1px;
    margin-right: 6px;
}

.header h1 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 50%, var(--accent2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: fadeDown 0.6s ease 0.1s forwards;
}

.header .subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 6px;
    font-weight: 300;
    opacity: 0;
    animation: fadeDown 0.6s ease 0.2s forwards;
}

/* ═══════════════════════════════════
   Section labels
   ═══════════════════════════════════ */
.section-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
    padding-left: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ═══════════════════════════════════
   Input label
   ═══════════════════════════════════ */
.input-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 10px;
    display: block;
}

/* ═══════════════════════════════════
   Input section (card wrapper)
   ═══════════════════════════════════ */
.input-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 24px;
    transition: border-color 0.3s;
}

.input-section:focus-within {
    border-color: var(--accent-mid);
    box-shadow: 0 0 40px var(--accent-dim);
}

/* ═══════════════════════════════════
   Form fields
   ═══════════════════════════════════ */
.field-group { margin-bottom: 18px; }
.field-group:last-child { margin-bottom: 0; }

.field-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s;
}
.field-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
.field-input::placeholder { color: var(--text-muted); }
.field-input.big {
    font-size: 1.3rem;
    padding: 18px 20px;
    text-align: right;
}

/* ═══════════════════════════════════
   Number input spinners
   ═══════════════════════════════════ */
input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Custom wrapper — added via JS */
.number-wrap {
    position: relative;
    display: inline-flex;
    align-items: stretch;
}

.number-wrap input[type="number"] {
    padding-right: 36px;
}

.number-spin {
    position: absolute;
    right: 2px;
    top: 2px;
    bottom: 2px;
    width: 30px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 2;
}

.number-spin button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 10px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.15s;
    padding: 0;
    font-family: var(--font-mono);
    user-select: none;
}

.number-spin button:first-child {
    border-radius: 6px 6px 2px 2px;
}

.number-spin button:last-child {
    border-radius: 2px 2px 6px 6px;
}

.number-spin button:hover {
    background: var(--accent-dim);
    border-color: var(--accent-mid);
    color: var(--accent);
}

.number-spin button:active {
    background: var(--accent);
    color: var(--bg-deep);
}

.field-select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23555570' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    transition: all 0.3s;
}
.field-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}
.field-select option { background: var(--bg-card); color: var(--text-primary); }

/* ═══════════════════════════════════
   Tabs
   ═══════════════════════════════════ */
.tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 5px;
    opacity: 0;
    animation: fadeUp 0.5s ease 0.25s forwards;
    flex-wrap: wrap;
}

.tab {
    flex: 1;
    min-width: 80px;
    padding: 10px 10px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    text-align: center;
}
.tab:hover { color: var(--text-primary); background: var(--bg-card); }
.tab.active {
    background: var(--accent);
    color: var(--bg-deep);
    box-shadow: 0 0 20px var(--accent-dim);
}

/* ═══════════════════════════════════
   Panels
   ═══════════════════════════════════ */
.panel { display: none; opacity: 0; animation: fadeIn 0.3s ease forwards; }
.panel.active { display: block; }

/* ═══════════════════════════════════
   Buttons
   ═══════════════════════════════════ */
.btn-row { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }

.btn {
    padding: 12px 24px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}
.btn::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--accent-dim), transparent);
    opacity: 0; transition: opacity 0.25s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-dim); }
.btn:hover::after { opacity: 1; }
.btn:active { transform: translateY(0); }

.btn-primary { background: linear-gradient(135deg, var(--accent), #00b8d4); color: var(--bg-deep); border-color: transparent; }
.btn-primary:hover { box-shadow: 0 4px 30px var(--accent-mid); }

.btn-accent2 { background: linear-gradient(135deg, var(--accent2), #e91e63); color: white; border-color: transparent; }
.btn-accent2:hover { box-shadow: 0 4px 30px #ff2d7544; }

.btn-accent3 { background: linear-gradient(135deg, var(--accent3), #7c3aed); color: white; border-color: transparent; }
.btn-accent3:hover { box-shadow: 0 4px 30px #a855f744; }

.btn-success { background: linear-gradient(135deg, var(--success), #16a34a); color: var(--bg-deep); border-color: transparent; }
.btn-success:hover { box-shadow: 0 4px 30px #22c55e44; }

.btn-warning { background: linear-gradient(135deg, var(--warning), #d97706); color: var(--bg-deep); border-color: transparent; }
.btn-warning:hover { box-shadow: 0 4px 30px #f59e0b44; }

.btn-small { padding: 8px 16px; font-size: 0.8rem; }

/* ═══════════════════════════════════
   Copy button
   ═══════════════════════════════════ */
.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.25s;
}
.copy-btn:hover { border-color: var(--success); color: var(--success); }
.copy-btn.copied { border-color: var(--success); color: var(--success); background: #22c55e11; }

/* ═══════════════════════════════════
   Result section
   ═══════════════════════════════════ */
.result-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.result-output {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    min-height: 60px;
    resize: vertical;
    outline: none;
    line-height: 1.6;
}
.result-output:focus { border-color: var(--accent); }

/* ═══════════════════════════════════
   Toggle option component
   ═══════════════════════════════════ */
.toggle-option {
    display: flex; align-items: center; gap: 10px;
    background: var(--bg-input); border: 1px solid var(--border); border-radius: 10px;
    padding: 12px 16px; cursor: pointer; transition: all 0.25s; user-select: none;
}
.toggle-option:hover { border-color: var(--accent-mid); }
.toggle-option.active { border-color: var(--accent); background: var(--accent-dim); }

.toggle-check {
    width: 20px; height: 20px; border-radius: 6px;
    border: 2px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; color: transparent; transition: all 0.2s; flex-shrink: 0;
}
.toggle-option.active .toggle-check { border-color: var(--accent); background: var(--accent); color: var(--bg-deep); }

.toggle-label { font-size: 0.88rem; color: var(--text-secondary); font-weight: 500; }
.toggle-option.active .toggle-label { color: var(--text-primary); }

/* Size variant */
.toggle-option.toggle-sm { gap: 8px; padding: 8px 14px; border-radius: 8px; font-size: 0.85rem; color: var(--text-secondary); }
.toggle-option.toggle-sm.active { color: var(--text-primary); }
.toggle-option.toggle-sm .toggle-check { width: 16px; height: 16px; border-radius: 4px; font-size: 10px; }

/* ═══════════════════════════════════
   Result highlight (accent-bordered output)
   ═══════════════════════════════════ */
.result-accent {
    background: var(--bg-input);
    border: 1px solid var(--accent);
    border-radius: 12px;
    padding: 20px 24px;
    color: var(--accent);
    font-family: var(--font-mono);
    word-break: break-all;
    box-shadow: 0 0 20px var(--accent-dim);
    line-height: 1.5;
}

/* ═══════════════════════════════════
   Strength / progress bar
   ═══════════════════════════════════ */
.progress-bar {
    height: 8px; border-radius: 4px;
    background: var(--border); overflow: hidden;
}
.progress-fill {
    height: 100%; border-radius: 4px;
    transition: width 0.5s, background 0.5s;
}
.progress-label {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 8px; font-family: var(--font-mono); font-size: 11px;
}

/* ═══════════════════════════════════
   Empty state
   ═══════════════════════════════════ */
.empty-state {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

/* ═══════════════════════════════════
   Stats grid (shared by wordWatch, calcul8tr)
   ═══════════════════════════════════ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
    gap: 10px;
}

.stat-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 14px;
    text-align: center;
    transition: border-color 0.3s;
}
.stat-card:hover { border-color: var(--accent-mid); }

.stat-card.stat-card-error {
    grid-column:1/-1;
    border-left:3px solid var(--error);
    border-right:3px solid var(--error);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 2px;
    word-break: break-all;
}

.stat-value.stat-value-error {
    color:var(--error);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.stat-card.pink .stat-value { color: var(--accent2); }
.stat-card.purple .stat-value { color: var(--accent3); }
.stat-card.green .stat-value { color: var(--success); }
.stat-card.yellow .stat-value { color: var(--warning); }

/* ═══════════════════════════════════
   Hash meta badges (shared by hashForge, others)
   ═══════════════════════════════════ */
.hash-meta {
    display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap;
}

.meta-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 12px;
    background: var(--bg-input); border: 1px solid var(--border); border-radius: 8px;
    font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-secondary);
}
.meta-badge .val { color: var(--accent); font-weight: 600; }

/* ═══════════════════════════════════
   Toast notification
   ═══════════════════════════════════ */
.toast-notify,
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-card);
    border: 1px solid var(--success);
    border-radius: 10px;
    padding: 14px 22px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--success);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
}

.toast-notify.show,
.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ═══════════════════════════════════
   Language switcher
   ═══════════════════════════════════ */
.lang-switcher {
    position: absolute;
    top: -6px;
    right: 0;
    display: flex;
    gap: 4px;
    z-index: 5;
}

.lang-btn {
    padding: 5px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn:hover {
    border-color: var(--accent-mid);
    color: var(--text-secondary);
}

.lang-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-deep);
}

/* ═══════════════════════════════════
   Footer
   ═══════════════════════════════════ */
footer {
    position: fixed;
    bottom: 0;
    left: 0; right: 0;
    z-index: 10;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 14px 0;
    text-align: center;
}

footer small {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

footer a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}
footer a:hover { color: var(--text-primary); }

/* ═══════════════════════════════════
   Animations
   ═══════════════════════════════════ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes gradientSlide {
    0%   { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

/* ── Staggered entry helper classes ── */
.anim-1 { opacity: 0; animation: fadeUp 0.5s ease 0.10s forwards; }
.anim-2 { opacity: 0; animation: fadeUp 0.5s ease 0.15s forwards; }
.anim-3 { opacity: 0; animation: fadeUp 0.5s ease 0.20s forwards; }
.anim-4 { opacity: 0; animation: fadeUp 0.5s ease 0.25s forwards; }
.anim-5 { opacity: 0; animation: fadeUp 0.5s ease 0.30s forwards; }
.anim-6 { opacity: 0; animation: fadeUp 0.5s ease 0.35s forwards; }

/* ═══════════════════════════════════
   Responsive base
   ═══════════════════════════════════ */
@media (max-width: 600px) {
    .app { padding: 24px 16px 80px; }

    /* ── Header: flex column for reordering ── */
    .header {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 28px;
    }
    .header .logo { order: 1; width: 100%; margin-bottom: 6px; }
    .header h1 { order: 3; font-size: 2rem; width: 100%; }
    .header .subtitle { order: 4; width: 100%; font-size: 0.85rem; }

    /* ── Lang switcher: centered row between logo & title ── */
    .lang-switcher {
        position: relative;
        top: auto;
        right: auto;
        justify-content: center;
        order: 2;
        margin: 6px 0 10px;
    }

    .lang-btn {
        padding: 6px 14px;
        font-size: 11px;
    }

    /* ── Tabs: 2-column grid ── */
    .tabs {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    .tabs .tab {
        font-size: 0.72rem;
        padding: 10px 6px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    /* ── Buttons: full width stack ── */
    .btn-row { flex-direction: column; }
    .btn { width: 100%; text-align: center; }

    /* ── Stats grid: 2 columns ── */
    .stats-grid { grid-template-columns: 1fr 1fr; }

    /* ── Inputs: larger touch targets ── */
    .field-input, .field-select {
        padding: 14px 14px;
        font-size: 0.9rem;
    }

    .field-input.big {
        font-size: 1rem;
        padding: 16px 14px;
    }

    /* ── Result sections: tighter spacing ── */
    .result-section { padding: 14px 14px; }
    .result-output { font-size: 0.82rem; padding: 12px 14px; }
    .empty-state { font-size: 0.82rem; padding: 16px 12px; }

    /* ── Copy button: easier to tap ── */
    .copy-btn {
        padding: 8px 14px;
        font-size: 11px;
    }

    /* ── Hash meta badges: wrap nicely ── */
    .hash-meta { gap: 6px; }
    .meta-badge { font-size: 10px; padding: 4px 8px; }

    /* ── Footer ── */
    footer { padding: 10px 16px; }
    footer small { font-size: 0.65rem; }
}
