/* ============================================
   BENVAS - Dark Terminal Theme
   ============================================ */

:root {
    /* Background colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f16;
    --bg-tertiary: #161620;
    --bg-card: #12121a;
    --bg-input: #0d0d14;

    /* Text colors */
    --text-primary: #e8e8e8;
    --text-secondary: #8888a0;
    --text-muted: #555566;

    /* Accent colors */
    --accent-primary: #00ff88;
    --accent-primary-dim: #00cc6a;
    --accent-secondary: #ff6b35;
    --accent-tertiary: #6366f1;
    --accent-cyan: #00d4ff;

    /* Status colors */
    --success: #00ff88;
    --warning: #ffb800;
    --error: #ff4757;
    --info: #00d4ff;

    /* Border */
    --border-color: #2a2a3a;
    --border-glow: rgba(0, 255, 136, 0.3);

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.15);

    /* Typography */
    --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Scanlines overlay effect */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.03) 0px,
        rgba(0, 0, 0, 0.03) 1px,
        transparent 1px,
        transparent 2px
    );
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-cyan);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-logo:hover {
    color: var(--text-primary);
}

.logo-bracket {
    color: var(--text-muted);
}

.logo-text {
    color: var(--accent-primary);
    letter-spacing: 2px;
}

.cursor-blink {
    color: var(--accent-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--accent-primary);
    background: rgba(0, 255, 136, 0.05);
}

.nav-link.active {
    color: var(--accent-primary);
}

.nav-link--accent {
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

.nav-link--accent:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.nav-link--logout {
    color: var(--text-muted);
}

.nav-link--logout:hover {
    color: var(--error);
}

.nav-prefix {
    color: var(--accent-primary);
    margin-right: var(--spacing-xs);
}

/* ============================================
   Main Content
   ============================================ */

.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    width: 100%;
}

/* ============================================
   Messages
   ============================================ */

.messages {
    margin-bottom: var(--spacing-xl);
}

.message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border-left: 3px solid;
    background: var(--bg-card);
}

.message--success {
    border-color: var(--success);
}

.message--error {
    border-color: var(--error);
}

.message--warning {
    border-color: var(--warning);
}

.message--info {
    border-color: var(--info);
}

.message-prefix {
    color: var(--text-muted);
    margin-right: var(--spacing-sm);
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-title::before {
    content: '>';
    color: var(--accent-primary);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.form-label::before {
    content: '# ';
    color: var(--accent-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
    line-height: 1.8;
}

.form-select {
    cursor: pointer;
    appearance: none;
    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='%2300ff88' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-help {
    margin-top: var(--spacing-xs);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.form-error {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-primary-dim);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-danger {
    background: transparent;
    color: var(--error);
    border-color: var(--error);
}

.btn-danger:hover:not(:disabled) {
    background: var(--error);
    color: var(--bg-primary);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.8rem;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* Loading state */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Page Headers
   ============================================ */

.page-header {
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.page-title::before {
    content: '>';
    color: var(--accent-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ============================================
   Grid System
   ============================================ */

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4,
    .grid-3,
    .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================
   Audio Player
   ============================================ */

.audio-player {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.audio-waveform {
    height: 60px;
    margin-bottom: var(--spacing-md);
    background: var(--bg-input);
    border-radius: var(--radius-sm);
}

.audio-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.audio-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: none;
    color: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.audio-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

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

.audio-progress {
    flex: 1;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}

.audio-progress-bar {
    height: 100%;
    background: var(--accent-primary);
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

/* ============================================
   History Grid
   ============================================ */

.history-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.history-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.history-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.history-tag {
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: var(--accent-cyan);
}

.history-text {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.history-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.8rem;
}

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

/* ============================================
   Utilities
   ============================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .page-title {
        font-size: 1.4rem;
    }

    .main-content {
        padding: var(--spacing-lg);
    }
}

/* ============================================
   Terminal Effects & Animations
   ============================================ */

/* Typing animation for text reveal */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    50% { border-color: transparent; }
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid var(--accent-primary);
    white-space: nowrap;
    animation: typing 2s steps(40, end), blink-caret 0.75s step-end infinite;
}

/* Glow pulse animation */
@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(0, 255, 136, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 255, 136, 0.4), 0 0 30px rgba(0, 255, 136, 0.2);
    }
}

.glow-pulse {
    animation: glow-pulse 2s ease-in-out infinite;
}

/* Fade in animation */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fade-in 0.5s ease-out forwards;
}

/* Stagger children animation */
.stagger-children > * {
    opacity: 0;
    animation: fade-in 0.4s ease-out forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }

/* Matrix rain effect (subtle background) */
@keyframes matrix-fall {
    0% {
        transform: translateY(-100%);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

/* Terminal prompt styles */
.terminal-prompt::before {
    content: '$ ';
    color: var(--accent-primary);
}

.terminal-output {
    font-family: var(--font-mono);
    background: var(--bg-input);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-primary);
}

/* Hover lift effect */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Focus ring for accessibility */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Selection styling */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Code/Pre styling */
code, pre {
    font-family: var(--font-mono);
    background: var(--bg-input);
    border-radius: var(--radius-sm);
}

code {
    padding: 2px 6px;
    color: var(--accent-cyan);
}

pre {
    padding: var(--spacing-md);
    overflow-x: auto;
    margin: 0;
}

/* Status indicator */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot--online {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-dot--offline {
    background: var(--error);
}

.status-dot--pending {
    background: var(--warning);
    animation: glow-pulse 1.5s ease-in-out infinite;
}