/**
 * TycoSim v0.5 - Corp Layout System
 * 
 * Extracted from firm-v2.css (Lines 100-733)
 * 
 * Contains:
 * - Header Navigation
 * - Sidebar Layout (Desktop)
 * - Bottom Navigation (Mobile)
 * - Main Content Area
 * - Section System
 * - Responsive Breakpoints
 */

/* ==========================================================================
   APP HEADER
   ========================================================================== */

.corp-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--corp-header-height);
    background: rgba(28, 33, 40, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--corp-border);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05), 0 4px 20px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 var(--corp-space-lg);
    gap: var(--corp-space-lg);
}

.corp-header-logo {
    font-size: var(--corp-text-xl);
    font-weight: 700;
    color: var(--corp-primary);
    text-decoration: none;
}

.corp-header-logo:hover {
    color: var(--corp-primary-hover);
}

.corp-header-title {
    flex: 1;
    font-size: var(--corp-text-lg);
    font-weight: 600;
    color: var(--corp-text);
}

.corp-header-stats {
    display: flex;
    gap: var(--corp-space-xl);
}

.corp-header-stat {
    text-align: right;
}

.corp-header-stat-label {
    font-size: var(--corp-text-xs);
    color: var(--corp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.corp-header-stat-value {
    font-size: var(--corp-text-lg);
    font-weight: 600;
    font-family: var(--corp-font-mono);
}

.corp-header-stat-value.positive {
    color: var(--corp-success);
}

.corp-header-stat-value.negative {
    color: var(--corp-danger);
}

.corp-header-user {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--corp-surface-2);
    border: 2px solid var(--corp-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s;
}

.corp-header-user:hover {
    border-color: var(--corp-primary);
}

/* ==========================================================================
   MAIN LAYOUT
   ========================================================================== */

.corp-layout {
    display: flex;
    min-height: 100vh;
    padding-top: var(--corp-header-height);
}

/* Sidebar (Desktop) */
.corp-sidebar {
    position: fixed;
    left: 0;
    top: var(--corp-header-height);
    bottom: 0;
    width: var(--corp-sidebar-width);
    background: var(--corp-surface);
    border-right: 1px solid var(--corp-border);
    padding: var(--corp-space-md);
    overflow-y: auto;
}

.corp-nav {
    display: flex;
    flex-direction: column;
    gap: var(--corp-space-xs);
}

.corp-nav-item {
    display: flex;
    align-items: center;
    gap: var(--corp-space-md);
    padding: var(--corp-space-md);
    border-radius: var(--corp-radius-md);
    color: var(--corp-text-secondary);
    text-decoration: none;
    transition: all 0.15s ease;
    font-size: var(--corp-text-base);
    font-weight: 500;
}

.corp-nav-item:hover {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    color: var(--corp-text);
}

.corp-nav-item.active {
    background: linear-gradient(90deg, rgba(47, 129, 247, 0.2) 0%, rgba(47, 129, 247, 0.05) 100%);
    box-shadow: inset 3px 0 0 var(--corp-primary);
    color: var(--corp-primary);
}

.corp-nav-icon {
    font-size: var(--corp-text-xl);
    width: 28px;
    text-align: center;
}

.corp-nav-label {
    flex: 1;
}

.corp-nav-badge {
    background: var(--corp-danger);
    color: white;
    font-size: var(--corp-text-xs);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

/* Main Content */
.corp-main {
    flex: 1;
    margin-left: var(--corp-sidebar-width);
    padding: var(--corp-space-lg);
    background: var(--corp-bg);
}

/* ==========================================================================
   SECTION PANELS
   ========================================================================== */

.corp-section {
    display: none;
}

.corp-section.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

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

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

.corp-section-header {
    margin-bottom: var(--corp-space-lg);
}

.corp-section-title {
    font-size: var(--corp-text-2xl);
    font-weight: 700;
    color: var(--corp-text);
    margin: 0 0 var(--corp-space-sm) 0;
    background: linear-gradient(135deg, var(--corp-text) 0%, var(--corp-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.corp-section-subtitle {
    font-size: var(--corp-text-base);
    color: var(--corp-text-muted);
}

/* ==========================================================================
   BOTTOM NAVIGATION (Mobile)
   ========================================================================== */

.corp-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--corp-bottom-nav-height);
    background: var(--corp-surface);
    border-top: 1px solid var(--corp-border);
    z-index: 1000;
}

.corp-bottom-nav-items {
    display: flex;
    height: 100%;
}

.corp-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--corp-text-muted);
    text-decoration: none;
    font-size: var(--corp-text-xs);
    transition: color 0.15s ease;
    position: relative;
}

.corp-bottom-nav-item:hover,
.corp-bottom-nav-item.active {
    color: var(--corp-primary);
}

.corp-bottom-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--corp-primary);
    border-radius: 0 0 3px 3px;
}

.corp-bottom-nav-icon {
    font-size: 22px;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
    .corp-sidebar {
        display: none;
    }

    .corp-main {
        margin-left: 0;
        padding: var(--corp-space-md);
        padding-bottom: calc(var(--corp-bottom-nav-height) + var(--corp-space-md));
    }

    .corp-bottom-nav {
        display: block;
    }

    .corp-header-stats {
        display: none;
    }
}

@media (max-width: 480px) {
    .corp-header {
        padding: 0 var(--corp-space-md);
    }
}

/* ==========================================================================
   SCROLLBAR STYLING
   ========================================================================== */

.corp-sidebar::-webkit-scrollbar,
.corp-main::-webkit-scrollbar {
    width: 8px;
}

.corp-sidebar::-webkit-scrollbar-track,
.corp-main::-webkit-scrollbar-track {
    background: var(--corp-bg);
}

.corp-sidebar::-webkit-scrollbar-thumb,
.corp-main::-webkit-scrollbar-thumb {
    background: var(--corp-border);
    border-radius: 4px;
}

.corp-sidebar::-webkit-scrollbar-thumb:hover,
.corp-main::-webkit-scrollbar-thumb:hover {
    background: var(--corp-border-light);
}