/* ============================================
   CHRONOVAULT - Timelock Encryption
   Cyber-Vault Aesthetic
   ============================================ */

:root {
    /* Core Colors */
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1520;
    --bg-tertiary: #141c2b;
    --bg-card: #111827;
    
    /* Accent Colors */
    --accent-cyan: #00f0ff;
    --accent-cyan-dim: #00a8b3;
    --accent-amber: #ffb800;
    --accent-amber-dim: #c49000;
    --accent-purple: #a855f7;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
    
    /* Text Colors */
    --text-primary: #e8f1f8;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Glows */
    --glow-cyan: 0 0 30px rgba(0, 240, 255, 0.3);
    --glow-amber: 0 0 30px rgba(255, 184, 0, 0.3);
    --glow-strong: 0 0 60px rgba(0, 240, 255, 0.5);
    
    /* Borders */
    --border-subtle: rgba(0, 240, 255, 0.1);
    --border-medium: rgba(0, 240, 255, 0.2);
    --border-strong: rgba(0, 240, 255, 0.4);
    
    /* Fonts */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --container-max: 1100px;
    --section-padding: 2rem;
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    font-weight: 400;
}

/* ============================================
   BACKGROUND EFFECTS
   ============================================ */

.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.grid-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.floating-particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-cyan);
    border-radius: 50%;
    opacity: 0.5;
    animation: float-particle 20s linear infinite;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: linear-gradient(180deg, var(--bg-primary) 0%, transparent 100%);
    backdrop-filter: blur(10px);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
    animation: slow-spin 30s linear infinite;
}

a.logo,
a.logo:visited,
a.logo:hover,
a.logo:active {
  text-decoration: none;
  color: inherit;
}

@keyframes slow-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.vault-icon {
    width: 100%;
    height: 100%;
}

.vault-ring {
    fill: none;
    stroke: var(--accent-cyan);
    stroke-width: 2;
    opacity: 0.6;
}

.vault-ring.inner {
    stroke: var(--accent-amber);
    opacity: 0.4;
}

.vault-ring.core {
    stroke: var(--accent-cyan);
    opacity: 0.8;
}

.vault-tick {
    stroke: var(--accent-cyan);
    stroke-width: 2;
    opacity: 0.6;
}

.vault-center {
    fill: var(--accent-cyan);
    filter: drop-shadow(0 0 10px var(--accent-cyan));
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-primary);
}

.logo-text .accent {
    color: var(--accent-cyan);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.header-status {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px var(--accent-green);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.status-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-green);
    letter-spacing: 0.1em;
}

.current-round {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0.4rem 0.8rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
}

/* ============================================
   MAIN CONTAINER
   ============================================ */

.main-container {
    position: relative;
    z-index: 10;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 2rem;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    text-align: center;
    padding: 3rem 0 4rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.accent-text {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.3));
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   MODE SWITCHER
   ============================================ */

.mode-switcher {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.mode-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-btn svg {
    width: 20px;
    height: 20px;
}

.mode-btn:hover {
    border-color: var(--border-medium);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.mode-btn.active {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(255, 184, 0, 0.05));
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

/* ============================================
   PANELS
   ============================================ */

.panel {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    animation: fadeIn 0.4s ease;
}

.panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.panel-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(255, 184, 0, 0.1));
    border-radius: 10px;
    color: var(--accent-cyan);
}

.panel-icon svg {
    width: 24px;
    height: 24px;
}

.panel-header h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

/* ============================================
   INPUT SECTION (ENCRYPT)
   ============================================ */

.input-type-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn svg {
    width: 16px;
    height: 16px;
}

.tab-btn:hover {
    color: var(--text-secondary);
    border-color: var(--border-medium);
}

.tab-btn.active {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.05);
}

.input-content {
    margin-bottom: 2rem;
}

.text-input-area,
.file-input-area {
    display: none;
}

.text-input-area.active,
.file-input-area.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

textarea {
    width: 100%;
    height: 200px;
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    resize: vertical;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

textarea::placeholder {
    color: var(--text-muted);
}

textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.char-count {
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.file-drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-medium);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-drop-zone:hover,
.file-drop-zone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.03);
}

.file-drop-zone svg {
    width: 48px;
    height: 48px;
    color: var(--accent-cyan);
    opacity: 0.6;
}

.file-drop-zone p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.browse-link {
    color: var(--accent-cyan);
    text-decoration: underline;
}

.file-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.selected-file {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-cyan);
    border-radius: var(--border-radius);
}

.selected-file svg {
    width: 32px;
    height: 32px;
    color: var(--accent-cyan);
}

.file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.file-name {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.file-size {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.remove-file {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.remove-file:hover {
    color: var(--accent-red);
    border-color: var(--accent-red);
}

/* ============================================
   SECURITY SECTION
   ============================================ */

.security-section {
    margin-bottom: 2rem;
}

.security-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .security-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.input-group label svg {
    width: 16px;
    height: 16px;
    color: var(--accent-amber);
}

.password-input-wrapper {
    position: relative;
    display: flex;
}

.password-input-wrapper input {
    width: 100%;
    padding: 1rem 3rem 1rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.password-input-wrapper input::placeholder {
    color: var(--text-muted);
}

.password-input-wrapper input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.toggle-password:hover {
    color: var(--accent-cyan);
}

.toggle-password svg {
    width: 18px;
    height: 18px;
}

.password-strength {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.strength-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    width: 0;
    background: var(--accent-red);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.strength-fill.weak { width: 25%; background: var(--accent-red); }
.strength-fill.fair { width: 50%; background: var(--accent-amber); }
.strength-fill.good { width: 75%; background: var(--accent-cyan); }
.strength-fill.strong { width: 100%; background: var(--accent-green); }

.strength-label {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    min-width: 80px;
}

.datetime-wrapper {
    display: flex;
    gap: 0.75rem;
}

.datetime-field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.datetime-field:first-child {
    flex: 1.2;
}

.datetime-wrapper input {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.datetime-wrapper input.time-input {
    text-align: center;
    letter-spacing: 0.1em;
    cursor: text;
}

.datetime-wrapper input.time-input::placeholder {
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.datetime-wrapper input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.datetime-wrapper input::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

.field-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    padding-left: 0.25rem;
}

.time-preview {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
}

.countdown-label {
    color: var(--text-muted);
}

.countdown-value {
    font-family: var(--font-mono);
    color: var(--accent-amber);
}

/* ============================================
   ACTION BUTTONS
   ============================================ */

.action-btn {
    position: relative;
    width: 100%;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--bg-primary);
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-dim));
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-strong);
}

.action-btn:active {
    transform: translateY(0);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

.btn-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.action-btn:hover .btn-glow {
    transform: translateX(100%);
}

.decrypt-btn {
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-dim));
}

/* ============================================
   DECRYPT PANEL
   ============================================ */

.vault-drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-medium);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
}

.vault-drop-zone:hover,
.vault-drop-zone.dragover {
    border-color: var(--accent-amber);
    background: rgba(255, 184, 0, 0.03);
}

.vault-icon-large {
    width: 100px;
    height: 100px;
    animation: slow-spin 20s linear infinite;
}

.vault-icon-large .vault-ring {
    stroke: var(--accent-amber);
}

.vault-icon-large .vault-center {
    fill: var(--accent-amber);
    filter: drop-shadow(0 0 15px var(--accent-amber));
}

.vault-drop-zone p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.vault-drop-zone .accent {
    color: var(--accent-amber);
    font-family: var(--font-mono);
}

.vault-loaded {
    padding: 1rem;
}

.vault-file-display {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.1), rgba(255, 184, 0, 0.02));
    border: 1px solid var(--accent-amber);
    border-radius: var(--border-radius);
}

.mini-vault {
    width: 50px;
    height: 50px;
    animation: slow-spin 10s linear infinite;
}

.mini-vault .vault-ring {
    stroke: var(--accent-amber);
}

.mini-vault .vault-center {
    fill: var(--accent-amber);
}

.vault-file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.vault-name {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--text-primary);
}

.vault-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.remove-vault {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.remove-vault:hover {
    color: var(--accent-red);
    border-color: var(--accent-red);
}

.decrypt-password-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

/* ============================================
   RESULT SECTION
   ============================================ */

.result-section {
    margin-top: 2rem;
    animation: fadeIn 0.4s ease;
}

.result-card {
    padding: 2.5rem;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.result-card.success {
    border: 1px solid var(--accent-green);
    box-shadow: 0 0 40px rgba(34, 197, 94, 0.15);
}

.result-card.error {
    border: 1px solid var(--accent-red);
    box-shadow: 0 0 40px rgba(239, 68, 68, 0.15);
}

.result-card.pending {
    border: 1px solid var(--accent-amber);
    box-shadow: 0 0 40px rgba(255, 184, 0, 0.15);
}

.result-card.info {
    border: 1px solid var(--accent-cyan);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.15);
}

.result-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.result-card.success .result-icon {
    background: rgba(34, 197, 94, 0.1);
    color: var(--accent-green);
}

.result-card.error .result-icon {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

.result-card.pending .result-icon {
    background: rgba(255, 184, 0, 0.1);
    color: var(--accent-amber);
}

.result-card.info .result-icon {
    background: rgba(0, 240, 255, 0.1);
    color: var(--accent-cyan);
}

.result-icon svg {
    width: 40px;
    height: 40px;
}

.result-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.result-card.success .result-title { color: var(--accent-green); }
.result-card.error .result-title { color: var(--accent-red); }
.result-card.pending .result-title { color: var(--accent-amber); }
.result-card.info .result-title { color: var(--accent-cyan); }

.result-message {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.result-content {
    margin-bottom: 1.5rem;
}

.decrypted-text {
    width: 100%;
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    text-align: left;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 300px;
    overflow-y: auto;
}

.unlock-countdown {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-amber);
}

.unlock-countdown svg {
    width: 24px;
    height: 24px;
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.result-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.result-btn svg {
    width: 18px;
    height: 18px;
}

.result-btn.primary {
    color: var(--bg-primary);
    background: var(--accent-cyan);
    border: none;
}

.result-btn.primary:hover {
    background: var(--accent-cyan-dim);
    transform: translateY(-2px);
}

.result-btn.secondary {
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-subtle);
}

.result-btn.secondary:hover {
    color: var(--text-primary);
    border-color: var(--border-medium);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    position: relative;
    z-index: 10;
    padding: 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.drand-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.drand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.2s ease;
}

.drand-link:hover {
    color: var(--accent-amber);
}

.drand-link svg {
    width: 16px;
    height: 16px;
}

.separator {
    color: var(--border-medium);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.security-badge svg {
    width: 16px;
    height: 16px;
    color: var(--accent-green);
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.language-selector .lang-icon {
    width: 18px;
    height: 18px;
    color: var(--accent-cyan);
}

.language-dropdown {
    appearance: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    padding: 0.4rem 2rem 0.4rem 0.75rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300f0ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 12px;
}

.language-dropdown:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.language-dropdown:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.language-dropdown option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.5rem;
}

/* ============================================
   LOADING OVERLAY
   ============================================ */

.loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
}

.loading-content {
    text-align: center;
}

.loading-vault {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
}

.loading-vault svg {
    width: 100%;
    height: 100%;
}

.spinning {
    animation: spin 3s linear infinite;
    transform-origin: center;
}

.spinning-reverse {
    animation: spin-reverse 2s linear infinite;
    transform-origin: center;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes spin-reverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

.pulsing {
    animation: pulsing-glow 1.5s ease-in-out infinite;
}

@keyframes pulsing-glow {
    0%, 100% {
        filter: drop-shadow(0 0 10px var(--accent-cyan));
        opacity: 0.8;
    }
    50% {
        filter: drop-shadow(0 0 25px var(--accent-cyan));
        opacity: 1;
    }
}

.loading-text {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 640px) {
    .header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .header-status {
        width: 100%;
        justify-content: space-between;
    }
    
    .main-container {
        padding: 1rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .mode-switcher {
        flex-direction: column;
    }
    
    .mode-btn {
        width: 100%;
        justify-content: center;
    }
    
    .panel {
        padding: 1.5rem;
    }
    
    .datetime-wrapper {
        flex-direction: column;
    }
    
    .datetime-field,
    .datetime-field:first-child {
        flex: 1;
        width: 100%;
    }
    
    .action-btn {
        padding: 1rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-right {
        flex-direction: column;
        gap: 1rem;
    }

    .language-selector {
        justify-content: center;
    }

    /* ========================================
       Mobile Touch Targets & Improved UX
       ======================================== */

    /* Ensure minimum touch target size (44x44px per iOS guidelines) */
    button,
    .browse-link,
    .remove-file,
    .remove-vault,
    input[type="checkbox"],
    input[type="radio"] {
        min-height: 44px;
        min-width: 44px;
    }

    /* Make drop zones easier to tap */
    .file-drop-zone,
    .vault-drop-zone {
        min-height: 200px;
        padding: 2rem 1rem;
        cursor: pointer;
    }

    /* Larger text inputs on mobile */
    input[type="text"],
    input[type="password"],
    input[type="date"],
    textarea {
        min-height: 48px;
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.875rem;
    }

    /* Make buttons more tappable */
    .action-btn,
    .primary-btn,
    .secondary-btn {
        min-height: 50px;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    /* Adjust character count to not interfere with textarea */
    .char-count {
        margin-top: 0.5rem;
    }

    /* Better spacing for tabs on mobile */
    .input-tabs {
        gap: 0.5rem;
    }

    .tab-btn {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }

    /* Improve password toggle button */
    .toggle-password {
        min-width: 44px;
        min-height: 44px;
        padding: 0.75rem;
    }

    /* Make file info more readable on mobile */
    .selected-file,
    .vault-loaded {
        padding: 1rem;
    }

    .file-name,
    .vault-name {
        font-size: 1rem;
    }

    /* Improve result section on mobile */
    .result-card {
        padding: 1.5rem;
    }

    .result-title {
        font-size: 1.25rem;
    }

    /* Better spacing for strength meter */
    .strength-meter {
        margin-top: 0.5rem;
    }
}

/* ============================================
   MOBILE LANDSCAPE (For iPhone/Android in landscape)
   ============================================ */

@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        padding: 1rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .panel {
        max-height: 70vh;
        overflow-y: auto;
    }
}

/* ============================================
   iOS SAFE AREA (For notch/home indicator)
   ============================================ */

@media (max-width: 640px) {
    body {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .main-container {
        padding-bottom: calc(1rem + env(safe-area-inset-bottom));
    }

    .header {
        padding-top: calc(1rem + env(safe-area-inset-top));
    }
}

/* ============================================
   TABLET (Medium screens)
   ============================================ */

@media (min-width: 641px) and (max-width: 1024px) {
    .main-container {
        padding: 1.5rem;
    }

    .panel {
        padding: 2rem;
    }

    /* Ensure touch targets are still adequate on tablets */
    button,
    input,
    textarea {
        min-height: 44px;
    }
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan-dim);
}

/* ============================================
   SELECTION
   ============================================ */

::selection {
    background: rgba(0, 240, 255, 0.3);
    color: var(--text-primary);
}