/* ============================================
   KriptoKlasik — Game/Cyberpunk Theme
   Ganti SELURUH ISI style.css dengan ini
   ============================================ */

/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

/* ============================================
   ROOT VARIABLES — LIGHT MODE (DEFAULT)
   ============================================ */
:root {
    --neon-cyan:    #00f5ff;
    --neon-pink:    #ff2d9b;
    --neon-yellow:  #ffe000;
    --neon-green:   #39ff14;
    --neon-purple:  #bf5fff;
    --neon-orange:  #ff6b35;

    --bg-primary:   #f0f4ff;
    --bg-card:      #ffffff;
    --bg-nav:       #0d0d2b;
    --bg-code:      #1a1a3e;
    --text-primary: #0d0d2b;
    --text-muted:   #5a5a8a;
    --border-glow:  rgba(0, 245, 255, 0.3);

    --gradient-hero: linear-gradient(135deg, #0d0d2b 0%, #1a0533 50%, #0a1628 100%);
    --gradient-card-caesar:   linear-gradient(135deg, #00f5ff22, #00f5ff05);
    --gradient-card-vigenere: linear-gradient(135deg, #39ff1422, #39ff1405);
    --gradient-card-affine:   linear-gradient(135deg, #ff2d9b22, #ff2d9b05);
    --gradient-card-hill:     linear-gradient(135deg, #ffe00022, #ffe00005);
    --gradient-card-playfair: linear-gradient(135deg, #bf5fff22, #bf5fff05);
}

/* ============================================
   DARK MODE
   ============================================ */
[data-bs-theme="dark"] {
    --bg-primary:   #080818;
    --bg-card:      #0e0e28;
    --bg-nav:       #050510;
    --bg-code:      #000010;
    --text-primary: #e0e0ff;
    --text-muted:   #8888bb;
    --border-glow:  rgba(0, 245, 255, 0.4);
}

/* ============================================
   BASE STYLES
   ============================================ */
html, body {
    font-family: 'Rajdhani', sans-serif;
    font-size: 16px;
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5, h6,
.navbar-brand, .card-title {
    font-family: 'Orbitron', sans-serif;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    background: var(--bg-nav) !important;
    border-bottom: 2px solid var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.25);
    padding: 0.6rem 0;
}

.navbar-brand {
    font-size: 1.1rem !important;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--neon-cyan) !important;
    text-shadow: 0 0 12px var(--neon-cyan);
}

.navbar-brand i {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

.nav-link {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
    color: #aaaacc !important;
    padding: 0.4rem 0.85rem !important;
    border-radius: 6px;
    transition: all 0.2s ease;
    text-transform: uppercase;
}
.nav-link:hover, .nav-link.active {
    color: var(--neon-cyan) !important;
    background: rgba(0, 245, 255, 0.1);
    text-shadow: 0 0 8px var(--neon-cyan);
}

/* Nav link warna per cipher */
.nav-caesar:hover    { color: var(--neon-cyan) !important; background: rgba(0,245,255,0.1); text-shadow: 0 0 8px var(--neon-cyan); }
.nav-vigenere:hover  { color: var(--neon-green) !important; background: rgba(57,255,20,0.1); text-shadow: 0 0 8px var(--neon-green); }
.nav-affine:hover    { color: var(--neon-pink) !important; background: rgba(255,45,155,0.1); text-shadow: 0 0 8px var(--neon-pink); }
.nav-hill:hover      { color: var(--neon-yellow) !important; background: rgba(255,224,0,0.1); text-shadow: 0 0 8px var(--neon-yellow); }
.nav-playfair:hover  { color: var(--neon-purple) !important; background: rgba(191,95,255,0.1); text-shadow: 0 0 8px var(--neon-purple); }
.nav-history         { color: var(--neon-orange) !important; }
.nav-history:hover   { color: var(--neon-orange) !important; background: rgba(255,107,53,0.1); text-shadow: 0 0 8px var(--neon-orange); }

/* Dark mode toggle button */
#theme-toggle {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 1px;
    border-color: var(--neon-cyan) !important;
    color: var(--neon-cyan) !important;
    border-radius: 20px;
    padding: 4px 14px;
    transition: all 0.3s ease;
    text-transform: uppercase;
}
#theme-toggle:hover {
    background: var(--neon-cyan) !important;
    color: #000 !important;
    box-shadow: 0 0 12px var(--neon-cyan);
}

/* ============================================
   HERO SECTION (index.html)
   ============================================ */
.hero-section {
    background: var(--gradient-hero);
    border-radius: 16px;
    padding: 3.5rem 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 245, 255, 0.2);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(0,245,255,0.06) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(255,45,155,0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 900;
    color: #ffffff;
    text-shadow: 0 0 20px var(--neon-cyan), 0 0 40px rgba(0,245,255,0.3);
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.hero-title .highlight-pink {
    color: var(--neon-pink);
    text-shadow: 0 0 20px var(--neon-pink), 0 0 40px rgba(255,45,155,0.4);
}

.hero-subtitle {
    font-family: 'Rajdhani', sans-serif;
    color: #9999cc;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    max-width: 560px;
    margin: 0 auto;
}

/* ============================================
   CIPHER CARDS (index.html)
   ============================================ */
.cipher-card {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.cipher-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
}

.cipher-card:hover {
    transform: translateY(-6px);
}

/* Per-cipher color theming */
.cipher-card.card-caesar  { background: var(--gradient-card-caesar);  border-color: rgba(0,245,255,0.3); }
.cipher-card.card-caesar::after  { background: var(--neon-cyan); box-shadow: 0 0 12px var(--neon-cyan); }
.cipher-card.card-caesar:hover   { box-shadow: 0 8px 32px rgba(0,245,255,0.25); border-color: var(--neon-cyan); }

.cipher-card.card-vigenere  { background: var(--gradient-card-vigenere); border-color: rgba(57,255,20,0.3); }
.cipher-card.card-vigenere::after  { background: var(--neon-green); box-shadow: 0 0 12px var(--neon-green); }
.cipher-card.card-vigenere:hover   { box-shadow: 0 8px 32px rgba(57,255,20,0.25); border-color: var(--neon-green); }

.cipher-card.card-affine  { background: var(--gradient-card-affine);   border-color: rgba(255,45,155,0.3); }
.cipher-card.card-affine::after  { background: var(--neon-pink);   box-shadow: 0 0 12px var(--neon-pink); }
.cipher-card.card-affine:hover   { box-shadow: 0 8px 32px rgba(255,45,155,0.25); border-color: var(--neon-pink); }

.cipher-card.card-hill  { background: var(--gradient-card-hill);     border-color: rgba(255,224,0,0.3); }
.cipher-card.card-hill::after  { background: var(--neon-yellow); box-shadow: 0 0 12px var(--neon-yellow); }
.cipher-card.card-hill:hover   { box-shadow: 0 8px 32px rgba(255,224,0,0.25); border-color: var(--neon-yellow); }

.cipher-card.card-playfair  { background: var(--gradient-card-playfair); border-color: rgba(191,95,255,0.3); }
.cipher-card.card-playfair::after  { background: var(--neon-purple); box-shadow: 0 0 12px var(--neon-purple); }
.cipher-card.card-playfair:hover   { box-shadow: 0 8px 32px rgba(191,95,255,0.25); border-color: var(--neon-purple); }

/* Card icon */
.cipher-icon {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px currentColor);
}
.icon-caesar   { color: var(--neon-cyan); }
.icon-vigenere { color: var(--neon-green); }
.icon-affine   { color: var(--neon-pink); }
.icon-hill     { color: var(--neon-yellow); }
.icon-playfair { color: var(--neon-purple); }

.cipher-card .card-title {
    font-size: 1rem;
    letter-spacing: 2px;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.cipher-card .card-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 1.25rem;
}

/* Card buttons */
.btn-cipher {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 8px;
    padding: 0.5rem 1.2rem;
    border: 2px solid;
    background: transparent;
    transition: all 0.25s ease;
    margin-top: auto;
}
.btn-cipher:hover { color: #000 !important; }

.btn-caesar   { color: var(--neon-cyan) !important;   border-color: var(--neon-cyan); }
.btn-caesar:hover   { background: var(--neon-cyan);   box-shadow: 0 0 16px var(--neon-cyan); }
.btn-vigenere { color: var(--neon-green) !important;  border-color: var(--neon-green); }
.btn-vigenere:hover { background: var(--neon-green);  box-shadow: 0 0 16px var(--neon-green); }
.btn-affine   { color: var(--neon-pink) !important;   border-color: var(--neon-pink); }
.btn-affine:hover   { background: var(--neon-pink);   box-shadow: 0 0 16px var(--neon-pink); }
.btn-hill     { color: var(--neon-yellow) !important; border-color: var(--neon-yellow); }
.btn-hill:hover     { background: var(--neon-yellow); box-shadow: 0 0 16px var(--neon-yellow); }
.btn-playfair { color: var(--neon-purple) !important; border-color: var(--neon-purple); }
.btn-playfair:hover { background: var(--neon-purple); box-shadow: 0 0 16px var(--neon-purple); }

/* ============================================
   CIPHER PAGE — CONFIG PANEL
   ============================================ */
.panel-config {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    overflow: hidden;
}

.panel-config .panel-header {
    padding: 0.85rem 1.25rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Header warna per cipher */
.header-caesar   { background: linear-gradient(90deg, #00f5ff22, transparent); border-bottom: 2px solid var(--neon-cyan);   color: var(--neon-cyan); }
.header-vigenere { background: linear-gradient(90deg, #39ff1422, transparent); border-bottom: 2px solid var(--neon-green);  color: var(--neon-green); }
.header-affine   { background: linear-gradient(90deg, #ff2d9b22, transparent); border-bottom: 2px solid var(--neon-pink);   color: var(--neon-pink); }
.header-hill     { background: linear-gradient(90deg, #ffe00022, transparent); border-bottom: 2px solid var(--neon-yellow); color: var(--neon-yellow); }
.header-playfair { background: linear-gradient(90deg, #bf5fff22, transparent); border-bottom: 2px solid var(--neon-purple); color: var(--neon-purple); }

.panel-config .panel-body {
    padding: 1.5rem;
}

/* Form controls */
.form-label {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.form-control, .form-select {
    background-color: var(--bg-code) !important;
    border: 1px solid rgba(255,255,255,0.15) !important;
    color: var(--text-primary) !important;
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--neon-cyan) !important;
    box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.15) !important;
    background-color: var(--bg-code) !important;
    color: var(--text-primary) !important;
}
.form-control::placeholder { color: #555577; }
.form-select option { background: #0d0d2b; }

/* Submit button (global) */
.btn-process {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 0.65rem 1.5rem;
    border-radius: 8px;
    border: 2px solid var(--neon-cyan);
    background: transparent;
    color: var(--neon-cyan);
    width: 100%;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}
.btn-process:hover {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 20px var(--neon-cyan);
}

/* Warna tombol proses per cipher */
.btn-process-caesar   { border-color: var(--neon-cyan);   color: var(--neon-cyan); }
.btn-process-caesar:hover   { background: var(--neon-cyan);   color: #000; box-shadow: 0 0 20px var(--neon-cyan); }
.btn-process-vigenere { border-color: var(--neon-green);  color: var(--neon-green); }
.btn-process-vigenere:hover { background: var(--neon-green);  color: #000; box-shadow: 0 0 20px var(--neon-green); }
.btn-process-affine   { border-color: var(--neon-pink);   color: var(--neon-pink); }
.btn-process-affine:hover   { background: var(--neon-pink);   color: #fff; box-shadow: 0 0 20px var(--neon-pink); }
.btn-process-hill     { border-color: var(--neon-yellow); color: var(--neon-yellow); }
.btn-process-hill:hover     { background: var(--neon-yellow); color: #000; box-shadow: 0 0 20px var(--neon-yellow); }
.btn-process-playfair { border-color: var(--neon-purple); color: var(--neon-purple); }
.btn-process-playfair:hover { background: var(--neon-purple); color: #fff; box-shadow: 0 0 20px var(--neon-purple); }

/* ============================================
   RESULT BOX
   ============================================ */
.result-box {
    background: var(--bg-code);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.result-box .result-header {
    padding: 0.7rem 1.25rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-header-caesar   { background: rgba(0,245,255,0.12);   color: var(--neon-cyan);   border-bottom: 1px solid rgba(0,245,255,0.25); }
.result-header-vigenere { background: rgba(57,255,20,0.12);   color: var(--neon-green);  border-bottom: 1px solid rgba(57,255,20,0.25); }
.result-header-affine   { background: rgba(255,45,155,0.12);  color: var(--neon-pink);   border-bottom: 1px solid rgba(255,45,155,0.25); }
.result-header-hill     { background: rgba(255,224,0,0.12);   color: var(--neon-yellow); border-bottom: 1px solid rgba(255,224,0,0.25); }
.result-header-playfair { background: rgba(191,95,255,0.12);  color: var(--neon-purple); border-bottom: 1px solid rgba(191,95,255,0.25); }

.result-text {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.4rem;
    padding: 1.25rem 1.5rem;
    word-break: break-all;
    letter-spacing: 3px;
    color: #ffffff;
}

.result-text.color-caesar   { color: var(--neon-cyan);   text-shadow: 0 0 10px rgba(0,245,255,0.4); }
.result-text.color-vigenere { color: var(--neon-green);  text-shadow: 0 0 10px rgba(57,255,20,0.4); }
.result-text.color-affine   { color: var(--neon-pink);   text-shadow: 0 0 10px rgba(255,45,155,0.4); }
.result-text.color-hill     { color: var(--neon-yellow); text-shadow: 0 0 10px rgba(255,224,0,0.4); }
.result-text.color-playfair { color: var(--neon-purple); text-shadow: 0 0 10px rgba(191,95,255,0.4); }

/* ============================================
   STEP-BY-STEP TABLE
   ============================================ */
.steps-panel {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    overflow: hidden;
}

.steps-panel .steps-header {
    padding: 0.85rem 1.25rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(90deg, rgba(20,20,50,0.8), transparent);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #aaaacc;
    display: flex;
    align-items: center;
    gap: 8px;
}

.table-steps {
    margin: 0;
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.95rem;
}

.table-steps thead th {
    background: rgba(255,255,255,0.05) !important;
    color: #8888bb !important;
    font-size: 0.78rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 0.75rem 1rem;
    font-weight: 600;
    text-align: center;
}

.table-steps tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: background 0.15s ease;
}
.table-steps tbody tr:hover {
    background: rgba(255,255,255,0.04) !important;
}

.table-steps tbody td {
    padding: 0.6rem 1rem;
    vertical-align: middle;
    text-align: center;
    color: var(--text-primary);
    border: none;
}

.table-steps .char-orig {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: #ccccee;
}
.table-steps .char-result {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
}
.char-result-caesar   { color: var(--neon-cyan); }
.char-result-vigenere { color: var(--neon-green); }
.char-result-affine   { color: var(--neon-pink); }
.char-result-hill     { color: var(--neon-yellow); }
.char-result-playfair { color: var(--neon-purple); }

.table-steps code {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.82rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255,255,255,0.08);
    color: #ffcc66;
}

/* ============================================
   PAGE TITLE (cipher pages)
   ============================================ */
.cipher-page-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 0.4rem;
}
.title-caesar   { color: var(--neon-cyan);   text-shadow: 0 0 16px rgba(0,245,255,0.5); }
.title-vigenere { color: var(--neon-green);  text-shadow: 0 0 16px rgba(57,255,20,0.5); }
.title-affine   { color: var(--neon-pink);   text-shadow: 0 0 16px rgba(255,45,155,0.5); }
.title-hill     { color: var(--neon-yellow); text-shadow: 0 0 16px rgba(255,224,0,0.5); }
.title-playfair { color: var(--neon-purple); text-shadow: 0 0 16px rgba(191,95,255,0.5); }

.cipher-page-desc {
    font-family: 'Rajdhani', sans-serif;
    color: var(--text-muted);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

/* ============================================
   ALERT (empty state)
   ============================================ */
.alert-info-custom {
    background: rgba(0, 245, 255, 0.07);
    border: 1px solid rgba(0, 245, 255, 0.25);
    border-radius: 10px;
    color: #8888bb;
    padding: 1.25rem 1.5rem;
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}
.alert-info-custom i { color: var(--neon-cyan); }

/* ============================================
   MATRIX VISUALIZATION (Hill & Playfair)
   ============================================ */
.matrix-table td {
    width: 50px;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    border: 1px solid rgba(255,224,0,0.2) !important;
    background: rgba(255,224,0,0.05);
    color: var(--neon-yellow);
    transition: background 0.2s ease;
}
.matrix-table td:hover {
    background: rgba(255,224,0,0.15);
    box-shadow: inset 0 0 8px rgba(255,224,0,0.3);
}

.playfair-table td {
    width: 46px;
    height: 46px;
    text-align: center;
    vertical-align: middle;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    border: 1px solid rgba(191,95,255,0.2) !important;
    background: rgba(191,95,255,0.05);
    color: var(--neon-purple);
    transition: background 0.2s ease;
}
.playfair-table td:hover {
    background: rgba(191,95,255,0.15);
    box-shadow: inset 0 0 8px rgba(191,95,255,0.3);
}

/* ============================================
   HISTORY PAGE
   ============================================ */
.history-item {
    background: var(--bg-card);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.08);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    transition: border-color 0.2s ease;
}
.history-item:hover { border-color: rgba(0,245,255,0.3); }

.history-badge {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    letter-spacing: 1.5px;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
}
.badge-caesar   { background: rgba(0,245,255,0.15);   color: var(--neon-cyan);   border: 1px solid rgba(0,245,255,0.3); }
.badge-vigenere { background: rgba(57,255,20,0.15);   color: var(--neon-green);  border: 1px solid rgba(57,255,20,0.3); }
.badge-affine   { background: rgba(255,45,155,0.15);  color: var(--neon-pink);   border: 1px solid rgba(255,45,155,0.3); }
.badge-hill     { background: rgba(255,224,0,0.15);   color: var(--neon-yellow); border: 1px solid rgba(255,224,0,0.3); }
.badge-playfair { background: rgba(191,95,255,0.15);  color: var(--neon-purple); border: 1px solid rgba(191,95,255,0.3); }

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--bg-nav) !important;
    border-top: 1px solid rgba(0,245,255,0.15);
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    color: #6666aa !important;
}
footer small { color: #6666aa !important; }

/* ============================================
   SCROLLBAR CUSTOM
   ============================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(0,245,255,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon-cyan); }

/* ============================================
   LEGACY COMPAT (agar kode .html lain tidak error)
   ============================================ */
.card-hover { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.card-hover:hover { transform: translateY(-5px); }
.cipher-text {
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold;
    letter-spacing: 3px;
    word-break: break-all;
}
.table-steps th, .table-steps td { vertical-align: middle; text-align: center; }
.matrix-cell {
    width: 44px; height: 44px;
    text-align: center; vertical-align: middle !important;
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold; font-size: 1.1rem;
    transition: background-color 0.2s ease;
}
.matrix-cell:hover { background-color: rgba(0,245,255,0.15); color: var(--neon-cyan); }