/* Personal Finance Dashboard - Styles */
/* Modern, Professional Design with Glassmorphism */

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

/* CSS Variables for Theme */
:root {
    /* Colors - Professional Financial Theme */
    --primary-color: hsl(210, 79%, 46%);
    --primary-dark: hsl(210, 79%, 36%);
    --primary-light: hsl(210, 79%, 56%);

    --success-color: hsl(145, 63%, 42%);
    --success-light: hsl(145, 63%, 92%);

    --warning-color: hsl(38, 92%, 50%);
    --warning-light: hsl(38, 92%, 95%);

    --danger-color: hsl(354, 70%, 54%);
    --danger-light: hsl(354, 70%, 95%);

    --info-color: hsl(199, 89%, 48%);
    --info-light: hsl(199, 89%, 95%);

    /* Neutrals */
    --bg-primary: hsl(220, 18%, 97%);
    --bg-secondary: hsl(220, 18%, 100%);
    --text-primary: hsl(220, 25%, 15%);
    --text-secondary: hsl(220, 15%, 45%);
    --border-color: hsl(220, 15%, 88%);

    /* Glassmorphism */
    --glass-bg: hsla(0, 0%, 100%, 0.7);
    --glass-border: hsla(0, 0%, 100%, 0.3);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: hsl(220, 25%, 10%);
    --bg-secondary: hsl(220, 25%, 15%);
    --text-primary: hsl(220, 18%, 95%);
    --text-secondary: hsl(220, 15%, 65%);
    --border-color: hsl(220, 15%, 25%);
    --glass-bg: hsla(220, 25%, 20%, 0.7);
    --glass-border: hsla(220, 25%, 40%, 0.3);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* Header */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--glass-shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: var(--font-size-lg);
}

.theme-toggle:hover {
    background: var(--primary-light);
    color: white;
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

/* Navigation Tabs */
.nav-tabs {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 73px;
    z-index: 90;
}

.nav-tabs .container {
    display: flex;
    gap: 0;
    padding: 0 var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.nav-tab {
    background: none;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    border-bottom: 3px solid transparent;
}

.nav-tab:hover {
    color: var(--primary-color);
    background: var(--glass-border);
}

.nav-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-icon {
    font-size: var(--font-size-lg);
}

.nav-label {
    font-weight: 600;
}

/* Page Content */
.page-content {
    display: none;
}

.page-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

/* Dashboard Grid */
.dashboard {
    margin-top: var(--spacing-lg);
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* Cards */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

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

.card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-icon {
    font-size: var(--font-size-xl);
    opacity: 0.6;
}

.card-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Color Variants */
.card-success .card-value {
    color: var(--success-color);
}

.card-danger .card-value {
    color: var(--danger-color);
}

.card-warning .card-value {
    color: var(--warning-color);
}

.card-info .card-value {
    color: var(--info-color);
}

/* Section */
.section {
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

/* Tables */
.table-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

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

thead {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

tbody tr {
    transition: background 0.2s ease;
}

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

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

/* Progress Bar */
.progress-container {
    margin-top: var(--spacing-sm);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.progress-bar-wrapper {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 100px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    border-radius: 100px;
    transition: width 0.5s ease;
}

.progress-bar-success {
    background: linear-gradient(90deg, var(--success-color), hsl(145, 63%, 52%));
}

.progress-bar-warning {
    background: linear-gradient(90deg, var(--warning-color), hsl(38, 92%, 60%));
}

.progress-bar-danger {
    background: linear-gradient(90deg, var(--danger-color), hsl(354, 70%, 64%));
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.badge-success {
    background: var(--success-light);
    color: var(--success-color);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning-color);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger-color);
}

.badge-info {
    background: var(--info-light);
    color: var(--info-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }

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

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

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--danger-color);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px hsla(210, 79%, 46%, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-checkbox {
    margin-right: var(--spacing-xs);
}

.form-help {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Utilities */
.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-info {
    color: var(--info-color);
}

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

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: var(--font-size-xl);
    }

    .summary-cards {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .table-container {
        overflow-x: auto;
    }

    table {
        min-width: 600px;
    }

    .card-value {
        font-size: var(--font-size-2xl);
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.fade-in {
    animation: fadeIn 0.5s ease;
}