/**
 * Carbon Lagoon Dashboard - Styles
 * Modern Dark Classy Design
 */

:root {
    /* Color palette - Ocean-inspired dark theme */
    --color-bg-primary: #0a0f14;
    --color-bg-secondary: #111921;
    --color-bg-tertiary: #1a242f;
    --color-bg-card: #151d27;
    --color-bg-hover: #1e2a38;

    /* Accent colors - Blue carbon/ocean theme */
    --color-accent-primary: #0ea5e9;
    --color-accent-secondary: #06b6d4;
    --color-accent-gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);

    /* Text colors */
    --color-text-primary: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;

    /* Status colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Borders */
    --color-border: #1e293b;
    --color-border-light: #334155;

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.15);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-secondary);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal);
    z-index: 100;
    overflow: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 72px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.logo-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
    flex-shrink: 0;
    display: none;
}

.logo-full {
    height: 32px;
    width: auto;
    object-fit: contain;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .logo-icon {
    display: block;
}

.sidebar.collapsed .logo-full {
    display: none;
}

.sidebar-toggle {
    position: absolute;
    right: -12px;
    top: 28px;
    width: 24px;
    height: 24px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.sidebar-toggle:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
}

.sidebar-toggle svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.sidebar.collapsed .sidebar-toggle svg {
    transform: rotate(180deg);
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
    overflow-x: hidden;
}

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

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    padding: 0 12px;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .nav-section-title {
    opacity: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
}

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

.nav-item.active {
    background: rgba(14, 165, 233, 0.15);
    color: var(--color-accent-primary);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-item-text {
    opacity: 1;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-item-text {
    opacity: 0;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--color-border);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    overflow: hidden;
}

.user-menu:hover {
    background: var(--color-bg-hover);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.user-info {
    overflow: hidden;
    opacity: 1;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .user-info {
    opacity: 0;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 12px;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-normal);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Header */
.header {
    height: 72px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 24px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Content Area */
.content {
    flex: 1;
    padding: 32px;
}

/* Cards */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-fast);
}

.card:hover {
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: rgba(14, 165, 233, 0.15);
    color: var(--color-accent-primary);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.stat-icon.yellow {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-light);
}

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

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

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text-secondary);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background: var(--color-bg-tertiary);
}

.table tr:hover td {
    background: var(--color-bg-hover);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.badge-info {
    background: rgba(14, 165, 233, 0.15);
    color: var(--color-accent-primary);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-error);
}

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

.alert-info {
    background: rgba(14, 165, 233, 0.15);
    border: 1px solid rgba(14, 165, 233, 0.3);
    color: var(--color-accent-primary);
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--color-bg-primary);
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    width: 64px;
    height: 64px;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 24px;
    margin: 0 auto 20px;
}

.login-logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin: 0 auto 20px;
    display: block;
}

.login-logo-rect {
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 0 auto 32px;
    display: block;
}

.login-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.login-form .btn {
    width: 100%;
    margin-top: 8px;
}

/* Welcome Section */
.welcome-section {
    margin-bottom: 32px;
}

.welcome-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.welcome-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.quick-action-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-action-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.quick-action-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(14, 165, 233, 0.15);
    color: var(--color-accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-action-icon svg {
    width: 22px;
    height: 22px;
}

.quick-action-text {
    font-weight: 500;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar.collapsed ~ .main-content {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .content {
        padding: 20px;
    }

    .header {
        padding: 0 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: auto;
    margin-top: 8px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.dropdown-item.danger {
    color: var(--color-error);
}

.dropdown-item.danger:hover {
    background: rgba(239, 68, 68, 0.15);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: 8px 0;
}

/* Sidebar footer dropdown - opens upward */
.sidebar-footer .dropdown-menu {
    top: auto;
    bottom: 100%;
    margin-top: 0;
    margin-bottom: 8px;
    transform: translateY(10px);
}

.sidebar-footer .dropdown.open .dropdown-menu {
    transform: translateY(0);
}

/* Hide mobile menu toggle on desktop */
.mobile-menu-toggle {
    display: none;
}

@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex;
    }
}