/* ============================================================
   TRADE THE MECHANICS — practice-suite.css
   ============================================================ */

:root {
    --bg-primary: #121417;
    --bg-secondary: #1a1d24;
    --border-color: #2b303b;
    --text-main: #e2e8f0;
    --text-muted: #8a94a6;
    --accent-color: #2563eb;
    --accent-hover: #3b82f6;
    --premium-gold: #f59e0b;
    --error-red: #ef4444;
}

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

body, html {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-main);
    height: 100%;
    overflow: hidden;
}

/* Master Grid Structure */
.suite-container {
    display: flex;
    width: 100vw;
    height: 100vh;
}

/* Sidebar Styling */
.suite-sidebar {
    width: 320px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.user-badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.badge-free {
    background-color: #2d3748;
    color: var(--text-muted);
}

.badge-premium {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--premium-gold);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Sidebar Navigation Category Lists */
.sidebar-nav {
    flex-grow: 1;
    overflow-y: auto;
    padding: 24px 16px;
}

.nav-category {
    margin-bottom: 24px;
}

.nav-category h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 10px;
    padding-left: 8px;
}

.nav-category ul {
    list-style: none;
}

.nav-app-btn {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-main);
    padding: 10px 12px;
    text-align: left;
    font-size: 0.9rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s, color 0.2s;
    margin-bottom: 4px;
}

.nav-app-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-app-btn.active {
    background-color: var(--accent-color);
    color: #ffffff;
}

.item-premium .app-title {
    color: var(--text-main);
}

.item-premium .lock-indicator {
    color: var(--premium-gold);
    font-size: 0.8rem;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-email {
    font-size: 0.8rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 160px;
}

.auth-btn {
    font-size: 0.8rem;
    color: var(--text-main);
    text-decoration: none;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: background-color 0.2s;
}

.auth-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Core Workspace */
.suite-workspace {
    flex-grow: 1;
    background-color: var(--bg-primary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.workspace-placeholder {
    text-align: center;
    max-width: 400px;
}

.workspace-placeholder h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.workspace-placeholder p {
    color: var(--text-muted);
    line-height: 1.6;
}

.app-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Premium Upgrade Gate */
.upgrade-gate {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(18, 20, 23, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.gate-content {
    text-align: center;
    max-width: 420px;
    padding: 32px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-secondary);
}

.gate-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.gate-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.gate-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.upgrade-btn {
    display: inline-block;
    background-color: var(--premium-gold);
    color: #121417;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 12px 24px;
    border-radius: 6px;
    transition: opacity 0.2s;
}

.upgrade-btn:hover {
    opacity: 0.9;
}

/* Utilities */
.hidden {
    display: none !important;
}