/* Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Dark Theme (Default) */
:root,
[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --bg-hover: #22222e;
    --border-color: #2a2a3a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --accent-primary: #2563eb;
    --accent-secondary: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f0f2f5;
    --border-color: #e2e8f0;
    --text-primary: #1a202c;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --accent-primary: #2563eb;
    --accent-secondary: #3b82f6;
    --accent-gradient: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Container */
.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Navigation */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.navbar-logo {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar-logo svg {
    width: 20px;
    height: 20px;
    color: white;
}

.navbar-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
}

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

.nav-link.active {
    color: var(--text-primary);
    background: var(--accent-gradient);
}

.nav-link svg {
    width: 18px;
    height: 18px;
}

/* User Profile */
.nav-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.nav-profile-avatar {
    width: 32px;
    height: 32px;
    background: var(--accent-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.nav-profile-name {
    font-size: 0.85rem;
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon.primary { background: rgba(37, 99, 235, 0.15); color: #2563eb; }
.card-icon.success { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.card-icon.warning { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.card-icon.info { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }

.card-icon svg {
    width: 20px;
    height: 20px;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.card-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.card-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 6px;
    margin-top: 0.5rem;
}

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

.card-change.down {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* Tables */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.table-title {
    font-size: 1.1rem;
    font-weight: 600;
}

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

th, td {
    padding: 1rem 1.5rem;
    text-align: left;
}

th {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-secondary);
}

td {
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
    border-bottom: none;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

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

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

.btn svg {
    width: 18px;
    height: 18px;
}

/* Status Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 6px;
}

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

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

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

.badge-info {
    background: rgba(6, 182, 212, 0.15);
    color: var(--info);
}

/* Input */
.input {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 16px;
    font-size: 0.9rem;
    color: var(--text-primary);
    width: 100%;
    transition: all 0.2s ease;
}

.input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

/* Search Box */
.search-box {
    position: relative;
    width: 300px;
}

.search-box svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.search-box .input {
    padding-left: 44px;
}

/* Welcome Page */
.welcome-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 2rem;
}

.welcome-card {
    text-align: center;
    max-width: 600px;
}

.welcome-logo-img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin: 0 auto 2rem;
    display: block;
}

.welcome-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.welcome-feature {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.welcome-feature:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.welcome-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

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

.welcome-feature h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.welcome-feature p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.welcome-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--accent-gradient);
    color: white;
    padding: 16px 40px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.welcome-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.4);
}

.welcome-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.welcome-btn:hover svg {
    transform: translateX(5px);
}

/* Responsive */
@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
    }

    .nav-menu {
        display: none;
    }

    .main-content {
        padding: 1rem;
    }

    .grid-4, .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }

    .welcome-features {
        grid-template-columns: 1fr;
    }

    .welcome-title {
        font-size: 1.75rem;
    }
}