/* MADOLA Base Styles - Variables, Reset, Layout */

/* ========================================
   CSS Variables & Theme Colors
   ======================================== */

:root {
    --accent-color: #3498db;
    --accent-color-hover: #2980b9;
    --accent-color-light: rgba(52, 152, 219, 0.2);
    
    /* Modern Colorful Mesh Gradient */
    --page-background: 
        radial-gradient(circle at 0% 0%, rgba(167, 197, 255, 0.4) 0%, rgba(167, 197, 255, 0) 50%), 
        radial-gradient(circle at 100% 0%, rgba(130, 244, 225, 0.3) 0%, rgba(130, 244, 225, 0) 50%), 
        radial-gradient(circle at 100% 100%, rgba(255, 200, 221, 0.35) 0%, rgba(255, 200, 221, 0) 50%), 
        radial-gradient(circle at 0% 100%, rgba(200, 220, 255, 0.3) 0%, rgba(200, 220, 255, 0) 50%),
        linear-gradient(135deg, #f6f8fd 0%, #f1f4f9 100%);

    /* Glass Surfaces - Distinct Frost/Ice Style (Darker than Mist) */
    /* Panels: Deep Frost Blue - clearly distinct from background */
    --surface-glass-1: linear-gradient(160deg, rgba(195, 215, 240, 0.85) 0%, rgba(180, 200, 230, 0.75) 100%);
    
    /* Menubar: Lighter Frost */
    --surface-glass-2: linear-gradient(160deg, rgba(215, 230, 250, 0.9) 0%, rgba(205, 220, 245, 0.85) 100%);
    
    --surface-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 24px 48px -12px rgba(50, 70, 100, 0.15);
    --shadow-strong: 0 48px 80px -24px rgba(50, 70, 100, 0.2);
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --panel-radius: 24px;
    --control-radius: 14px;
    --glass-blur: saturate(110%) blur(30px);
    --transition-snappy: 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

:root[data-color-theme="blue"] {
    --accent-color: #3498db;
    --accent-color-hover: #2980b9;
    --accent-color-light: rgba(52, 152, 219, 0.2);
}

:root[data-color-theme="green"] {
    --accent-color: #27ae60;
    --accent-color-hover: #229954;
    --accent-color-light: rgba(39, 174, 96, 0.2);
}

:root[data-color-theme="purple"] {
    --accent-color: #9b59b6;
    --accent-color-hover: #8e44ad;
    --accent-color-light: rgba(155, 89, 182, 0.2);
}

:root[data-color-theme="orange"] {
    --accent-color: #e67e22;
    --accent-color-hover: #d35400;
    --accent-color-light: rgba(230, 126, 34, 0.2);
}

:root[data-color-theme="red"] {
    --accent-color: #e74c3c;
    --accent-color-hover: #c0392b;
    --accent-color-light: rgba(231, 76, 60, 0.2);
}

:root[data-color-theme="teal"] {
    --accent-color: #1abc9c;
    --accent-color-hover: #16a085;
    --accent-color-light: rgba(26, 188, 156, 0.2);
}

:root[data-color-theme="pink"] {
    --accent-color: #e91e63;
    --accent-color-hover: #c2185b;
    --accent-color-light: rgba(233, 30, 99, 0.2);
}

:root[data-color-theme="indigo"] {
    --accent-color: #3f51b5;
    --accent-color-hover: #303f9f;
    --accent-color-light: rgba(63, 81, 181, 0.2);
}

:root[data-color-theme="cyan"] {
    --accent-color: #00bcd4;
    --accent-color-hover: #0097a7;
    --accent-color-light: rgba(0, 188, 212, 0.2);
}

:root[data-color-theme="lime"] {
    --accent-color: #8bc34a;
    --accent-color-hover: #689f38;
    --accent-color-light: rgba(139, 195, 74, 0.2);
}

:root[data-color-theme="amber"] {
    --accent-color: #ffc107;
    --accent-color-hover: #ffa000;
    --accent-color-light: rgba(255, 193, 7, 0.2);
}

:root[data-color-theme="brown"] {
    --accent-color: #795548;
    --accent-color-hover: #5d4037;
    --accent-color-light: rgba(121, 85, 72, 0.2);
}

:root[data-color-theme="navy"] {
    --accent-color: #34495e;
    --accent-color-hover: #2c3e50;
    --accent-color-light: rgba(52, 73, 94, 0.2);
}

:root[data-color-theme="crimson"] {
    --accent-color: #dc143c;
    --accent-color-hover: #b8102e;
    --accent-color-light: rgba(220, 20, 60, 0.2);
}

/* ========================================
   Global Reset & Base Styles
   ======================================== */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--page-background);
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--page-background);
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 15% 30%, rgba(255, 255, 255, 0.6) 0, rgba(255, 255, 255, 0) 42%), radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.55) 0, rgba(255, 255, 255, 0) 48%), linear-gradient(135deg, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0) 40%);
    z-index: -1;
    pointer-events: none;
}

/* Computing/Waiting Cursor */
body.computing,
body.computing * {
    cursor: wait !important;
}

body.computing::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.01);
    z-index: 9998;
    pointer-events: none;
}

/* ========================================
   Main Layout Containers
   ======================================== */

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 0.2rem 0.4rem 0.4rem;
    gap: 0.2rem;
    position: relative;
    z-index: 1;
}

.main-container {
    display: flex;
    flex: 1;
    min-height: 0;
    position: relative;
    gap: 0.35rem;
    align-items: stretch;
}

.panel {
    display: flex;
    flex-direction: column;
    background: var(--surface-glass-1);
    border: 1px solid var(--surface-border);
    border-radius: var(--panel-radius);
    box-shadow: var(--shadow-strong);
    backdrop-filter: var(--glass-blur);
    overflow: hidden;
    position: relative;
}

.middle-panel {
    flex: 1;
    min-width: 400px;
    min-height: 0;
}

.right-panel {
    flex: 1;
    min-width: 400px;
    min-height: 0;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: linear-gradient(to bottom, rgba(215, 230, 250, 0.7), rgba(205, 220, 245, 0.6));
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(16px);
    box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.3);
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-header h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* ========================================
   Editor Container
   ======================================== */

.monaco-container {
    flex: 1;
    overflow: hidden;
    padding: 0 1.25rem 1.25rem;
    background: transparent;
    display: flex;
}

#monaco-editor {
    width: 100%;
    height: 100%;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(240, 245, 255, 0.75);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3);
}

.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

#editor {
    flex: 1;
    border: none;
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    background: rgba(240, 245, 255, 0.75);
    color: var(--text-primary);
}

#editor:focus {
    background: rgba(250, 252, 255, 0.9);
}

/* ========================================
   Output Panel
   ======================================== */

.output-container {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    background: transparent;
}

#output {
    background: rgba(240, 245, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 18px;
    padding: 1.5rem;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35), 0 20px 44px -28px rgba(15, 23, 42, 0.45);
    min-height: 100%;
}

.output-placeholder {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 2rem;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    background: rgba(52, 152, 219, 0.08);
    border: 1px dashed rgba(52, 152, 219, 0.25);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

.output-placeholder p {
    margin-bottom: 0.5rem;
}

/* Output Styling */
.output-container h1,
.output-container h2,
.output-container h3,
.output-container h4,
.output-container h5,
.output-container h6 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.output-container p {
    margin-bottom: 1rem;
}

.output-container code {
    background: rgba(15, 23, 42, 0.06);
    padding: 0.25rem 0.45rem;
    border-radius: 8px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
}

.output-container pre {
    background: rgba(15, 23, 42, 0.035);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1.25rem 0;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.output-container pre code {
    background: none;
    padding: 0;
}

/* Math Styling */
.math-block {
    background: rgba(15, 23, 42, 0.035);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    padding: 1.25rem;
    margin: 1.25rem 0;
    overflow-x: auto;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
}

/* ========================================
   Scrollbar Styling
   ======================================== */

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

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.06);
}

::-webkit-scrollbar-thumb {
    background: rgba(15, 23, 42, 0.25);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(15, 23, 42, 0.35);
}