/* ==========================================================================
   CodeX IDE - Frosted Glassmorphism Edition
   Designed & Developed by Praful Kumar (https://prafulkr.xyz/)
   ========================================================================== */

:root {
    /* Color Palette - Vibrant UI Reference Glassmorphism */
    --bg-main: #0d1127;
    --bg-card: linear-gradient(135deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.08) 100%);
    --bg-card-hover: linear-gradient(135deg, rgba(255, 255, 255, 0.32) 0%, rgba(255, 255, 255, 0.14) 100%);
    --bg-editor: rgba(5, 8, 15, 0.75);
    --bg-input: rgba(22, 32, 50, 0.6);
    --border-color: rgba(255, 255, 255, 0.4);
    --border-accent: #3b82f6;

    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.4);
    --secondary: #10b981;
    --secondary-glow: rgba(16, 185, 129, 0.4);
    --accent-purple: #a855f7;
    --accent-cyan: #06b6d4;
    --accent-orange: #f59e0b;
    --danger: #ef4444;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-glass: 0 16px 40px -10px rgba(0, 0, 0, 0.7), inset 0 1px 1px 0 rgba(255, 255, 255, 0.15);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Theme Presets */
body[data-theme="dracula"] {
    --bg-main: #12131e;
    --bg-card: rgba(30, 32, 48, 0.55);
    --bg-editor: rgba(18, 19, 30, 0.75);
    --bg-input: rgba(36, 39, 58, 0.6);
    --border-color: rgba(255, 255, 255, 0.14);
    --primary: #c6a0f6;
    --primary-glow: rgba(198, 160, 246, 0.4);
    --secondary: #a6da95;
    --text-main: #cad3f5;
}

body[data-theme="tokyo"] {
    --bg-main: #13141c;
    --bg-card: rgba(36, 40, 59, 0.55);
    --bg-editor: rgba(19, 20, 28, 0.75);
    --bg-input: rgba(41, 46, 66, 0.6);
    --border-color: rgba(255, 255, 255, 0.14);
    --primary: #7aa2f7;
    --primary-glow: rgba(122, 162, 247, 0.4);
    --secondary: #73daca;
    --text-main: #c0caf5;
}

body[data-theme="cyberpunk"] {
    --bg-main: #080117;
    --bg-card: rgba(25, 5, 61, 0.55);
    --bg-editor: rgba(8, 1, 23, 0.75);
    --bg-input: rgba(38, 9, 89, 0.6);
    --border-color: rgba(255, 0, 127, 0.3);
    --primary: #ff007f;
    --primary-glow: rgba(255, 0, 127, 0.5);
    --secondary: #00f0ff;
    --text-main: #f0f0f0;
}

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

body {
    background-color: #0d1127;
    background-image: 
        radial-gradient(circle at 10% 10%, rgba(0, 212, 255, 0.45) 0%, transparent 45%),
        radial-gradient(circle at 90% 10%, rgba(147, 51, 234, 0.45) 0%, transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(236, 72, 153, 0.4) 0%, transparent 45%),
        radial-gradient(circle at 15% 85%, rgba(59, 130, 246, 0.45) 0%, transparent 45%),
        linear-gradient(135deg, #09132e 0%, #170d38 50%, #0a1f38 100%);
    background-attachment: fixed;
}

/* Container */
.app-container {
    width: 90%;
    max-width: 90%;
    margin: 0 auto;
    padding: 16px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* App Header & Frosted Glass Navbar */
.app-header {
    background: rgba(17, 24, 39, 0.5);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 12px 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-glass);
}

.nav-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-main);
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    color: #fff;
    box-shadow: 0 4px 18px var(--primary-glow);
}

.brand-title {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.brand-title span {
    color: var(--primary);
}

.toolbar-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

/* Frosted Glass Select Dropdowns */
.select-wrapper {
    position: relative;
}

.select-input {
    background: rgba(22, 32, 50, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 9px 36px 9px 14px;
    outline: none;
    cursor: pointer;
    appearance: none;
    transition: var(--transition);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.select-input:focus, .select-input:hover {
    border-color: var(--primary);
    background: rgba(30, 41, 59, 0.7);
    box-shadow: 0 0 0 3px var(--primary-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.select-wrapper::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Glass Buttons */
.btn {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 9px 16px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-run {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.9) 0%, rgba(5, 150, 105, 0.9) 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    padding: 9px 20px;
    box-shadow: 0 6px 20px var(--secondary-glow), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-run:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 8px 24px var(--secondary-glow), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-run:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.shortcut-hint {
    background: rgba(255, 255, 255, 0.22);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    margin-left: 4px;
}

/* IDE Split Workspace Layout */
.ide-workspace {
    display: grid;
    grid-template-columns: 6.5fr 5.5fr;
    gap: 16px;
    flex: 1;
    min-height: 600px;
}

@media (max-width: 1024px) {
    .ide-workspace {
        grid-template-columns: 1fr;
    }
}

/* Frosted Glass Panel Container */
.panel {
    background: var(--bg-card);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-glass);
}

/* Editor File Tabs Bar */
.editor-tabs-bar {
    display: flex;
    align-items: center;
    background: rgba(8, 12, 21, 0.65);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.editor-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border-right: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.editor-tab:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.editor-tab.active {
    color: #fff;
    background: rgba(5, 8, 15, 0.85);
    border-top: 2px solid var(--primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.editor-tab-icon {
    color: var(--primary);
}

.panel-header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    padding-right: 12px;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.88rem;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.icon-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

/* Code Editor Window */
.editor-container {
    flex: 1;
    display: flex;
    position: relative;
    background: var(--bg-editor);
    overflow: hidden;
}

.line-numbers {
    width: 52px;
    background: rgba(4, 7, 13, 0.85);
    color: #475569;
    font-family: var(--font-mono);
    font-size: 0.92rem;
    line-height: 1.55;
    padding: 16px 10px;
    text-align: right;
    user-select: none;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.line-numbers div {
    height: 23px;
}

.code-textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: #f8fafc;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.55;
    padding: 16px;
    resize: none;
    outline: none;
    white-space: pre;
    tab-size: 4;
    overflow-y: auto;
}

.code-textarea::selection {
    background: rgba(59, 130, 246, 0.4);
}

/* Editor Bottom Status Bar */
.editor-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(8, 12, 21, 0.7);
    border-top: 1px solid var(--border-color);
    padding: 6px 16px;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.status-bar-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-item i {
    color: var(--primary);
}

/* Terminal Console Panel */
.right-panel-split {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.terminal-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.terminal-tabs-bar {
    display: flex;
    align-items: center;
    background: rgba(8, 12, 21, 0.65);
    border-bottom: 1px solid var(--border-color);
}

.term-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.term-tab:hover {
    color: var(--text-main);
}

.term-tab.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    background: rgba(59, 130, 246, 0.08);
}

/* Terminal Content Area */
.terminal-content {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 400px;
}

.tab-pane {
    display: none;
    flex: 1;
    flex-direction: column;
}

.tab-pane.active {
    display: flex;
}

.console-output {
    flex: 1;
    background: rgba(4, 7, 13, 0.85);
    padding: 18px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #4ade80;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.55;
}

.console-output.error {
    color: #f87171;
}

.console-output.empty {
    color: var(--text-dim);
    font-style: italic;
}

.stdin-textarea {
    width: 100%;
    flex: 1;
    background: rgba(4, 7, 13, 0.85);
    border: none;
    color: #e2e8f0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 18px;
    outline: none;
    resize: none;
    line-height: 1.5;
}

/* Metrics Bar */
.metrics-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    background: rgba(8, 12, 21, 0.7);
    border-top: 1px solid var(--border-color);
    padding: 8px 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.metric-item strong {
    color: var(--text-main);
    font-family: var(--font-mono);
}

.status-badge {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.status-badge.success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--secondary);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-badge.running {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent-orange);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Author & Developer Footer Component */
.app-footer {
    background: rgba(6, 9, 18, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid var(--border-color);
    padding: 36px 20px 24px 20px;
    margin-top: 40px;
    text-align: center;
}

.footer-credit {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 14px;
}

.footer-link-highlight {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.footer-link-highlight:hover {
    color: #60a5fa;
    text-decoration: underline;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 0.92rem;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.footer-link:hover {
    color: #fff;
}

.footer-sep {
    color: var(--text-dim);
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
}

.badge {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.badge i {
    color: var(--primary);
}

.footer-bottom {
    font-size: 0.85rem;
    color: var(--text-dim);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 16px;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 24px; right: 24px;
    background: rgba(37, 99, 235, 0.9);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
    z-index: 9999;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
}

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