/* =============================================================================
   CANDLECRAWLER DASHBOARD - Base Styles
   ============================================================================= */

:root {
    /* Colors */
    --color-primary: #10B981;
    --color-primary-dark: #059669;
    --color-secondary: #3B82F6;
    --color-secondary-dark: #2563EB;
    --color-danger: #EF4444;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    
    /* Neutrals */
    --color-dark: #0F172A;
    --color-dark-secondary: #1E293B;
    --color-light: #F8FAFC;
    --color-gray-600: #64748B;
    --color-gray-400: #94A3B8;
    --color-gray-300: #E2E8F0;
    --color-white: #FFFFFF;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Sidebar */
    --sidebar-width: 280px;
    --sidebar-width-collapsed: 80px;
    --header-height: 60px;
}

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

html, body {
    height: 100%;
    width: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background-color: var(--color-light);
    color: var(--color-dark);
    line-height: 1.6;
}

/* =============================================================================
   SIDEBAR
   ============================================================================= */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-secondary) 100%);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 18px;
    font-weight: bold;
    letter-spacing: -0.5px;
    flex: 1;
}

.logo-image {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--space-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.nav-item.active {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

.nav-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-text {
    font-size: 14px;
    font-weight: 500;
}

/* User Section */
.sidebar-footer {
    padding: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-section {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.avatar-image {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 50%;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-email {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--space-xs);
}

.btn-logout {
    background: rgba(239, 68, 68, 0.2);
    color: #FECACA;
    border: 1px solid rgba(239, 68, 68, 0.5);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #FFFFFF;
}

/* =============================================================================
   HAMBURGER MENU
   ============================================================================= */

.hamburger {
    display: none;
    position: fixed;
    top: var(--space-lg);
    left: var(--space-lg);
    z-index: 2000;
    background: var(--color-white);
    border: none;
    width: 40px;
    height: 40px;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    box-shadow: var(--shadow-md);
}

.hamburger span {
    width: 100%;
    height: 2px;
    background-color: var(--color-dark);
    border-radius: 1px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* =============================================================================
   MAIN CONTENT
   ============================================================================= */

.main-content {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
    background-color: var(--color-light);
    min-height: 100vh;
}

.header {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-bottom: 1px solid var(--color-gray-300);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-2xl);
}

.header-title {
    font-size: 32px;
    font-weight: bold;
    color: var(--color-dark);
    margin-bottom: var(--space-sm);
}

.header-subtitle {
    font-size: 14px;
    color: var(--color-gray-600);
}

/* =============================================================================
   PAGES
   ============================================================================= */

.page {
    padding: 0 var(--space-2xl) var(--space-2xl) var(--space-2xl);
    animation: fadeIn 0.3s ease;
}

.page-content {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.page-content h2 {
    font-size: 24px;
    margin-bottom: var(--space-lg);
}

/* =============================================================================
   STOCKS CONTAINER
   ============================================================================= */

.stocks-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-xl);
    padding: 0 var(--space-2xl) var(--space-2xl) var(--space-2xl);
}

/* =============================================================================
   STOCK CARD
   ============================================================================= */

.stock-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    cursor: pointer;
}

.stock-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.card-symbol {
    font-size: 18px;
    font-weight: bold;
    color: var(--color-dark);
}

.card-company {
    font-size: 12px;
    color: var(--color-gray-600);
    margin-top: var(--space-xs);
}

.card-change {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
}

.card-change.up {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.card-change.down {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.card-price {
    font-size: 28px;
    font-weight: bold;
    color: var(--color-dark);
    margin-bottom: var(--space-lg);
}

.card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-300);
}

.stat {
    font-size: 12px;
}

.stat-label {
    color: var(--color-gray-600);
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-dark);
}

/* =============================================================================
   LOADING STATE
   ============================================================================= */

.loading-spinner {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    color: var(--color-gray-600);
    font-size: 16px;
}

/* =============================================================================
   ANIMATIONS
   ============================================================================= */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}