/* ========================================
   API Mock Server — Styles
   Green/Cyan dark theme, glassmorphism
   ======================================== */

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

:root {
    --primary: #10B981;
    --primary-hover: #34D399;
    --primary-glow: rgba(16, 185, 129, 0.25);
    --accent: #0EA5E9;
    --accent-hover: #38BDF8;
    --danger: #EF4444;
    --warning: #F59E0B;

    --bg-root: #0B1120;
    --bg-surface: #131B2E;
    --bg-elevated: #1C2740;
    --bg-card: rgba(19, 27, 46, 0.8);
    --bg-hover: rgba(16, 185, 129, 0.06);

    --border: rgba(255, 255, 255, 0.06);
    --border-active: rgba(16, 185, 129, 0.4);

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-tertiary: #64748B;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--primary-glow);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 14px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-root);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Header ---------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 17, 32, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-size: 1.1rem;
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 8px;
}

/* ---------- Buttons ---------- */
.btn-primary,
.btn-outline,
.btn-ghost,
.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    border: none;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.75rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    color: var(--text-primary);
    border-color: var(--border-active);
    background: var(--bg-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--text-tertiary);
    border: 1px solid transparent;
}

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

.btn-danger {
    background: transparent;
    color: var(--text-tertiary);
    border: 1px solid var(--border);
}

.btn-danger:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.08);
}

/* ---------- Layout ---------- */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 24px 40px;
}

.layout {
    display: grid;
    grid-template-columns: 260px 1fr 300px;
    gap: 16px;
    min-height: calc(100vh - 130px);
}

/* ---------- Panels ---------- */
.panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.panel-header h2 {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---------- Routes List ---------- */
.routes-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.route-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 4px;
}

.route-item:hover {
    background: var(--bg-hover);
}

.route-item.active {
    background: rgba(16, 185, 129, 0.1);
    border-left: 3px solid var(--primary);
}

.route-method {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    min-width: 42px;
    text-align: center;
    flex-shrink: 0;
}

.route-method.GET {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
}

.route-method.POST {
    background: rgba(59, 130, 246, 0.15);
    color: #3B82F6;
}

.route-method.PUT {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

.route-method.PATCH {
    background: rgba(168, 85, 247, 0.15);
    color: #A855F7;
}

.route-method.DELETE {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
}

.route-method.OPTIONS {
    background: rgba(148, 163, 184, 0.15);
    color: #94A3B8;
}

.route-path {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-primary);
    word-break: break-all;
}

/* ---------- Templates ---------- */
.routes-templates {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

.section-label {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.template-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.template-chip {
    padding: 5px 12px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 500;
    border-radius: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.template-chip:hover {
    color: var(--primary);
    border-color: var(--border-active);
    background: var(--bg-hover);
}

/* ---------- Editor ---------- */
.editor-panel {
    overflow-y: auto;
}

.editor-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-tertiary);
    padding: 40px;
}

.editor-empty p {
    font-size: 0.85rem;
}

.editor-actions {
    display: flex;
    gap: 6px;
}

.editor-form {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.text-field,
.select-field {
    padding: 9px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.82rem;
    transition: border-color var(--transition-fast);
}

.text-field:focus,
.select-field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.select-field {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 28px;
}

.code-area {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-root);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    resize: vertical;
    tab-size: 2;
    transition: border-color var(--transition-fast);
}

.code-area:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.code-area::placeholder {
    color: var(--text-tertiary);
}

/* ---------- Log Panel ---------- */
.log-panel {
    overflow: hidden;
}

.log-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.log-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.78rem;
}

.log-item {
    padding: 10px 12px;
    margin-bottom: 6px;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
    animation: slideIn var(--transition-base);
}

.log-item.error {
    border-left-color: var(--danger);
}

.log-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.log-meta .log-method {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
}

.log-meta .log-path {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-primary);
}

.log-meta .log-status {
    font-size: 0.65rem;
    font-weight: 600;
    margin-left: auto;
}

.log-meta .log-status.s2xx {
    color: var(--primary);
}

.log-meta .log-status.s4xx {
    color: var(--warning);
}

.log-meta .log-status.s5xx {
    color: var(--danger);
}

.log-time {
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

/* ---------- URL Bar ---------- */
.url-bar {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
}

.url-bar[hidden] {
    display: none;
}

.url-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.url-value {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--primary);
    word-break: break-all;
}

/* ---------- Toast ---------- */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 2000;
}

.toast {
    padding: 10px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    font-size: 0.8rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideInRight var(--transition-smooth);
    max-width: 320px;
}

.toast.success {
    border-left: 3px solid var(--primary);
}

.toast.error {
    border-left: 3px solid var(--danger);
}

.toast.info {
    border-left: 3px solid var(--accent);
}

.toast.fade-out {
    animation: fadeOut var(--transition-base) forwards;
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        transform: translateX(60px);
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .layout {
        grid-template-columns: 220px 1fr;
    }

    .log-panel {
        display: none;
    }
}

@media (max-width: 768px) {
    .layout {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .routes-panel {
        max-height: 200px;
    }

    .header-actions span {
        display: none;
    }
}

/* ---------- Focus & Scrollbar ---------- */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

button:focus:not(:focus-visible) {
    outline: none;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}