/* Style system variables */
:root {
    /* Dark Theme (Default) */
    --bg-app: #080a0f;
    --bg-panel: rgba(15, 20, 30, 0.7);
    --bg-container: #121824;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f4f9;
    --text-secondary: #8c9ba5;
    --accent-color: #7b2cbf;
    --accent-glow: rgba(123, 44, 191, 0.35);
    --accent-gradient: linear-gradient(135deg, #7b2cbf 0%, #3f37c9 100%);
    --accent-success: #00f2fe;
    --terminal-header: #1b2336;
    --scrollbar-thumb: #232c3f;
    --input-focus-border: #4cc9f0;
    --code-bg: #0d1117;
    
    /* Animation timings */
    --transition-speed: 0.3s;
}

/* Light Theme overrides */
.light-theme {
    --bg-app: #f4f6fa;
    --bg-panel: rgba(255, 255, 255, 0.85);
    --bg-container: #ffffff;
    --border-color: rgba(0, 0, 0, 0.08);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-color: #5352ed;
    --accent-glow: rgba(83, 82, 237, 0.2);
    --accent-gradient: linear-gradient(135deg, #5352ed 0%, #3742fa 100%);
    --accent-success: #10b981;
    --terminal-header: #e2e8f0;
    --scrollbar-thumb: #cbd5e1;
    --input-focus-border: #3742fa;
    --code-bg: #f8fafc;
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

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

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

/* App Shell Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    z-index: 10;
}

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

.logo-icon {
    color: var(--accent-color);
    filter: drop-shadow(0 0 8px var(--accent-glow));
    animation: pulseLogo 3s ease-in-out infinite;
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.logo-text h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text .subtext {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

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

.status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-container);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #8c9ba5;
    transition: background-color 0.3s;
}

.status-dot.online {
    background-color: #10b981;
    box-shadow: 0 0 8px #10b981;
}

.status-dot.loading {
    background-color: #f59e0b;
    box-shadow: 0 0 8px #f59e0b;
}

.status-dot.error {
    background-color: #ef4444;
    box-shadow: 0 0 8px #ef4444;
}

.animate-pulse {
    animation: statusPulse 2s infinite;
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
}

.theme-toggle:hover {
    background-color: var(--border-color);
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 8px var(--accent-glow);
}

.dark-theme .sun-icon {
    display: block;
}
.dark-theme .moon-icon {
    display: none;
}
.light-theme .sun-icon {
    display: none;
}
.light-theme .moon-icon {
    display: block;
}

/* Workspace Grid Layout */
.workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar styling */
.sidebar {
    width: 320px;
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-panel);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(12px);
    overflow-y: auto;
}

.sidebar-section {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section.history-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 250px;
    border-bottom: none;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.section-header h2 {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* Parameter controls */
.parameters-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.val-display {
    font-size: 0.8rem;
    font-family: 'Fira Code', monospace;
    font-weight: 600;
    color: var(--accent-color);
    background: rgba(123, 44, 191, 0.1);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

/* Sliders custom styles */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--scrollbar-thumb);
    outline: none;
    transition: background 0.3s;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-glow);
    transition: transform 0.1s, background-color 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background-color: var(--input-focus-border);
}

.range-description {
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* Toggle Switches */
.toggle-group {
    margin-top: 0.5rem;
}

.toggle-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--scrollbar-thumb);
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background: var(--accent-gradient);
}

input:focus + .slider {
    box-shadow: 0 0 1px var(--accent-color);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* History lists */
.history-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 350px;
    padding-right: 4px;
}

.no-history {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem 0;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
}

.clear-history-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    transition: color 0.2s;
}

.clear-history-btn:hover {
    color: #ef4444;
}

.history-item {
    background: var(--bg-container);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

.history-item:hover {
    border-color: var(--accent-color);
    background: rgba(123, 44, 191, 0.05);
}

.history-item .history-text {
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.25rem;
}

.history-item .history-meta {
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-item .delete-history-item {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.2s, color 0.2s;
}

.history-item:hover .delete-history-item {
    opacity: 1;
}

.history-item .delete-history-item:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* Main content workspace */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    overflow-y: auto;
}

.playground-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 1.5rem;
    height: 100%;
}

@media (max-width: 1024px) {
    .playground-grid {
        grid-template-columns: 1fr;
        height: auto;
    }
    .workspace {
        flex-direction: column;
        overflow-y: auto;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .app-container {
        height: auto;
    }
    .main-content {
        overflow-y: visible;
    }
}

/* Pane component styling */
.pane {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(12px);
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.pane-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pane-number {
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: rgba(123, 44, 191, 0.05);
}

.pane-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.pane-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    overflow-y: auto;
}

/* Inputs styling */
.input-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-container label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-container label .required {
    color: #ef4444;
}

.input-container label .optional {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 400;
}

textarea {
    width: 100%;
    background-color: var(--bg-container);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.75rem;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    resize: none;
    line-height: 1.5;
    transition: border-color 0.2s, box-shadow 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

#instructionInput {
    height: 120px;
}

#contextInput {
    height: 100px;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
}

/* Quick templates styling */
.quick-templates {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.template-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-btn {
    background-color: var(--bg-container);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.35rem 0.7rem;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.tag-btn:hover {
    border-color: var(--accent-color);
    background-color: rgba(123, 44, 191, 0.08);
    transform: translateY(-1px);
}

/* Buttons styling */
.generate-btn {
    background: var(--accent-gradient);
    border: none;
    color: white;
    padding: 0.85rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s;
    box-shadow: 0 4px 12px var(--accent-glow);
    position: relative;
    overflow: hidden;
}

.generate-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--accent-glow);
    filter: brightness(1.15);
}

.generate-btn:active {
    transform: translateY(1px);
}

.generate-btn:disabled {
    background: var(--scrollbar-thumb);
    color: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-arrow {
    transition: transform 0.2s;
}

.generate-btn:hover .btn-arrow {
    transform: translateX(3px);
}

/* Spinner */
.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

.hidden {
    display: none !important;
}

/* Output actions & timers */
.output-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.latency-timer {
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    color: var(--accent-success);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.copy-btn {
    background-color: var(--bg-container);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s;
}

.copy-btn:hover:not(:disabled) {
    border-color: var(--accent-color);
    background: rgba(123, 44, 191, 0.05);
}

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

.copy-btn.copied {
    border-color: var(--accent-success);
    background: rgba(16, 185, 129, 0.05);
    color: var(--accent-success);
}

/* Terminal container */
.terminal-container {
    background-color: var(--code-bg);
    padding: 0 !important;
}

.code-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.terminal-dots {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    background-color: var(--terminal-header);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.terminal-title {
    margin-left: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'Fira Code', monospace;
}

/* Prism overrides */
.code-wrapper pre {
    margin: 0 !important;
    background: transparent !important;
    padding: 1.25rem !important;
    overflow: auto;
    flex: 1;
    font-size: 0.875rem;
}

.code-wrapper code {
    font-family: 'Fira Code', monospace !important;
    text-shadow: none !important;
}

/* Loading Skeletons */
.skeleton-loader {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
    background-color: var(--code-bg);
}

.skeleton-line {
    height: 12px;
    background-color: var(--scrollbar-thumb);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.skeleton-line::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.05) 50%, transparent 100%);
    animation: skeletonShimmer 1.5s infinite;
}

.w-50 { width: 50%; }
.w-60 { width: 60%; }
.w-75 { width: 75%; }
.w-85 { width: 85%; }
.w-100 { width: 100%; }

/* Toast Messages */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 9999;
}

.toast {
    background: var(--bg-container);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateY(20px);
    opacity: 0;
    animation: toastSlideIn 0.3s forwards;
    min-width: 250px;
    max-width: 400px;
}

.toast.success {
    border-left: 4px solid var(--accent-success);
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.info {
    border-left: 4px solid var(--accent-color);
}

.toast-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
}

.toast-close:hover {
    color: var(--text-primary);
}

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

@keyframes statusPulse {
    0% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.5; }
}

@keyframes skeletonShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes toastSlideIn {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulseLogo {
    0%, 100% {
        transform: translateY(0);
        filter: drop-shadow(0 0 4px var(--accent-glow));
    }
    50% {
        transform: translateY(-2px);
        filter: drop-shadow(0 0 12px var(--accent-color));
    }
}