/**
 * Robinhood-Style Layout & Navigation
 * Phase 2: Layout & Navigation
 */

/* ===== Header ===== */
.robinhood-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--robinhood-bg-primary);
    border-bottom: 1px solid var(--robinhood-border-light);
    box-shadow: var(--robinhood-shadow-sm);
    z-index: var(--robinhood-z-fixed);
    height: 64px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.robinhood-header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--robinhood-space-5);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.robinhood-logo {
    display: flex;
    align-items: center;
    gap: var(--robinhood-space-2);
    text-decoration: none;
    color: var(--robinhood-text-primary);
    font-weight: var(--robinhood-weight-bold);
    font-size: var(--robinhood-font-heading-md);
    transition: opacity var(--robinhood-transition-base);
}

.robinhood-logo:hover {
    opacity: 0.8;
}

.robinhood-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--robinhood-radius-sm);
    background: var(--robinhood-success);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--robinhood-weight-bold);
    font-size: 18px;
}

.robinhood-logo-text {
    font-family: var(--robinhood-font-family);
    letter-spacing: -0.5px;
}

/* Navigation */
.robinhood-nav {
    display: flex;
    align-items: center;
    gap: var(--robinhood-space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}

.robinhood-nav-item {
    position: relative;
}

.robinhood-nav-link {
    display: flex;
    align-items: center;
    gap: var(--robinhood-space-2);
    padding: var(--robinhood-space-2) var(--robinhood-space-4);
    color: var(--robinhood-text-secondary);
    text-decoration: none;
    font-size: var(--robinhood-font-body);
    font-weight: var(--robinhood-weight-medium);
    border-radius: var(--robinhood-radius-sm);
    transition: all var(--robinhood-transition-base);
    white-space: nowrap;
}

.robinhood-nav-link:hover {
    background: var(--robinhood-bg-secondary);
    color: var(--robinhood-text-primary);
}

.robinhood-nav-link.active {
    color: var(--robinhood-success);
    background: var(--robinhood-success-light);
}

.robinhood-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: var(--robinhood-space-4);
    right: var(--robinhood-space-4);
    height: 2px;
    background: var(--robinhood-success);
    border-radius: var(--robinhood-radius-pill);
}

/* Icon-only navigation (mobile/compact) */
.robinhood-nav-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--robinhood-radius-sm);
    color: var(--robinhood-text-secondary);
    transition: all var(--robinhood-transition-base);
}

.robinhood-nav-icon:hover {
    background: var(--robinhood-bg-secondary);
    color: var(--robinhood-text-primary);
}

.robinhood-nav-icon.active {
    color: var(--robinhood-success);
    background: var(--robinhood-success-light);
}

/* User Menu */
.robinhood-user-menu {
    display: flex;
    align-items: center;
    gap: var(--robinhood-space-3);
}

.robinhood-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--robinhood-radius-full);
    background: var(--robinhood-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--robinhood-weight-semibold);
    font-size: var(--robinhood-font-body-sm);
    color: var(--robinhood-text-primary);
    border: 1.5px solid var(--robinhood-border-light);
    cursor: pointer;
    transition: all var(--robinhood-transition-base);
}

.robinhood-user-avatar:hover {
    border-color: var(--robinhood-success);
    background: var(--robinhood-success-light);
}

.robinhood-user-name {
    font-size: var(--robinhood-font-body-sm);
    font-weight: var(--robinhood-weight-medium);
    color: var(--robinhood-text-primary);
    display: none; /* Hide on mobile, show on desktop */
}

/* ===== Main Layout ===== */
.robinhood-main {
    min-height: calc(100vh - 64px);
    padding-top: var(--robinhood-space-6);
    background: var(--robinhood-bg-secondary);
}

.robinhood-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--robinhood-space-5);
}

.robinhood-container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--robinhood-space-5);
}

.robinhood-container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--robinhood-space-5);
}

/* Page Header */
.robinhood-page-header {
    margin-bottom: var(--robinhood-space-8);
}

.robinhood-page-title {
    font-size: var(--robinhood-font-heading-xl);
    font-weight: var(--robinhood-weight-bold);
    color: var(--robinhood-text-primary);
    margin: 0 0 var(--robinhood-space-2) 0;
    line-height: var(--robinhood-line-tight);
}

.robinhood-page-subtitle {
    font-size: var(--robinhood-font-body);
    color: var(--robinhood-text-secondary);
    margin: 0;
}

/* Section Spacing */
.robinhood-section {
    margin-bottom: var(--robinhood-space-8);
}

.robinhood-section-title {
    font-size: var(--robinhood-font-heading-md);
    font-weight: var(--robinhood-weight-semibold);
    color: var(--robinhood-text-primary);
    margin: 0 0 var(--robinhood-space-4) 0;
    padding-bottom: var(--robinhood-space-3);
    border-bottom: 1px solid var(--robinhood-border-light);
}

/* ===== Sidebar (if needed) ===== */
.robinhood-sidebar {
    position: fixed;
    left: 0;
    top: 64px;
    bottom: 0;
    width: 240px;
    background: var(--robinhood-bg-primary);
    border-right: 1px solid var(--robinhood-border-light);
    padding: var(--robinhood-space-4);
    overflow-y: auto;
    z-index: var(--robinhood-z-sticky);
}

.robinhood-sidebar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--robinhood-space-1);
}

.robinhood-sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--robinhood-space-3);
    padding: var(--robinhood-space-3) var(--robinhood-space-4);
    color: var(--robinhood-text-secondary);
    text-decoration: none;
    font-size: var(--robinhood-font-body);
    font-weight: var(--robinhood-weight-medium);
    border-radius: var(--robinhood-radius-sm);
    transition: all var(--robinhood-transition-base);
}

.robinhood-sidebar-link:hover {
    background: var(--robinhood-bg-secondary);
    color: var(--robinhood-text-primary);
}

.robinhood-sidebar-link.active {
    color: var(--robinhood-success);
    background: var(--robinhood-success-light);
    font-weight: var(--robinhood-weight-semibold);
}

.robinhood-sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    width: 3px;
    height: 24px;
    background: var(--robinhood-success);
    border-radius: 0 2px 2px 0;
}

/* Content with Sidebar */
.robinhood-content-with-sidebar {
    margin-left: 240px;
    padding: var(--robinhood-space-6) var(--robinhood-space-5);
}

/* ===== Responsive ===== */
@media (min-width: 769px) {
    .robinhood-user-name {
        display: block;
    }
}

@media (max-width: 768px) {
    .robinhood-header {
        height: 56px;
    }
    
    .robinhood-header-container {
        padding: 0 var(--robinhood-space-3);
    }
    
    .robinhood-logo-text {
        font-size: var(--robinhood-font-heading-sm);
    }
    
    .robinhood-nav {
        gap: 0;
    }
    
    .robinhood-nav-link {
        padding: var(--robinhood-space-2);
        font-size: var(--robinhood-font-body-sm);
    }
    
    .robinhood-nav-link span {
        display: none; /* Hide text on mobile, show icons only */
    }
    
    .robinhood-main {
        padding-top: var(--robinhood-space-4);
    }
    
    .robinhood-container,
    .robinhood-container-narrow,
    .robinhood-container-wide {
        padding: 0 var(--robinhood-space-3);
    }
    
    .robinhood-page-title {
        font-size: var(--robinhood-font-heading-lg);
    }
    
    .robinhood-sidebar {
        transform: translateX(-100%);
        transition: transform var(--robinhood-transition-base);
    }
    
    .robinhood-sidebar.open {
        transform: translateX(0);
    }
    
    .robinhood-content-with-sidebar {
        margin-left: 0;
    }
}

/* ===== Mobile Menu Toggle ===== */
.robinhood-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--robinhood-text-primary);
    cursor: pointer;
    border-radius: var(--robinhood-radius-sm);
    transition: background var(--robinhood-transition-base);
}

.robinhood-menu-toggle:hover {
    background: var(--robinhood-bg-secondary);
}

@media (max-width: 768px) {
    .robinhood-menu-toggle {
        display: flex;
    }
}