/* Modern Dark Glassmorphic Theme for MRI Bloch Simulator */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --bg-base: #0a0d14;
    --bg-surface: rgba(18, 22, 33, 0.7);
    --bg-surface-hover: rgba(28, 33, 48, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-blue: #3b82f6;
    --accent-teal: #10b981;
    --accent-magenta: #ec4899;
    --accent-purple: #8b5cf6;
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Space Grotesk', monospace;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    background: rgba(10, 13, 20, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    z-index: 100;
}

header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

header .version {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
}

/* App Layout Grid */
.app-container {
    display: flex;
    flex: 1;
    height: calc(100vh - 60px);
    overflow: hidden;
}

/* Left panel: 33% */
.left-panel {
    width: 33%;
    min-width: 340px;
    max-width: 450px;
    background: rgba(14, 18, 28, 0.95);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    overflow-y: auto;
    backdrop-filter: blur(20px);
}

/* Right panel: 67% */
.right-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #090b11;
}

/* Split right subpanels (50% / 50%) */
.plot-panel {
    height: 50%;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding: 1rem 1.5rem;
    background: rgba(11, 14, 23, 0.4);
    display: flex;
    flex-direction: column;
}

.visual-panel {
    height: 50%;
    position: relative;
    background: #06080d;
    display: flex;
    flex-direction: column;
}

/* Panel Titles */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.panel-header-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
}

.canvas-container {
    flex: 1;
    position: relative;
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

.canvas-instructions {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 13, 20, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    pointer-events: none;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

/* Cards & Container styles */
.control-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: all 0.2s ease;
}

.control-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-surface-hover);
}

.control-card h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 0.25rem;
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input, select {
    background: rgba(10, 13, 20, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    outline: none;
    transition: all 0.15s ease;
}

input:focus, select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
    background: rgba(10, 13, 20, 0.9);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.btn:hover {
    border-color: var(--text-secondary);
    background: var(--bg-surface-hover);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
    font-weight: 600;
}

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.3);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: #ef4444;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* Playback Animation Bar */
.playback-controls {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.media-btns {
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
}

.speed-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
}

/* Spin placing dialog */
dialog {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    max-width: 320px;
    width: 90%;
    margin: auto;
    color: var(--text-primary);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

dialog::backdrop {
    background: rgba(5, 5, 10, 0.85);
    backdrop-filter: blur(4px);
}

dialog form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

dialog .actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* Chart Container and layout */
.chart-container-wrapper {
    flex: 1;
    position: relative;
    width: 100%;
    height: 100%;
}

/* Spin list table */
.spin-list-container {
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.spin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    text-align: left;
}

.spin-table th {
    background: rgba(255,255,255,0.02);
    color: var(--text-secondary);
    padding: 0.35rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.spin-table td {
    padding: 0.35rem 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-primary);
    vertical-align: middle;
}

.spin-table tr:hover {
    background: rgba(255,255,255,0.03);
}

.spin-color-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Top Menu Styles */
.top-menu {
    display: flex;
    gap: 1.5rem;
    margin-left: 2rem;
}

.menu-item {
    position: relative;
}

.menu-trigger {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.15s ease;
}

.menu-trigger:hover, .menu-item:hover .menu-trigger {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 170px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    margin-top: 0.25rem;
    overflow: hidden;
}

.dropdown-content a {
    display: block;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.15s ease;
}

.dropdown-content a:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.15);
}

.menu-item:hover .dropdown-content {
    display: block;
}

/* Viewport Controls */
.viewport-controls {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    display: flex;
    gap: 0.35rem;
    z-index: 100;
}

.viewport-btn {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    backdrop-filter: blur(8px);
}

.viewport-btn:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

.viewport-btn svg {
    width: 14px;
    height: 14px;
}

/* Speed group layout grid to prevent overflow */
.speed-group {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px !important;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    overflow: visible !important;
}

.speed-group .btn {
    border-radius: 6px !important;
    border: 1px solid var(--border-color) !important;
    padding: 0.35rem 0.5rem !important;
    font-size: 0.75rem !important;
}