/* assets/css/style.css */

/* Design System Variables */
:root {
    /* Colors */
    --color-primary: #21808d;
    --color-primary-hover: #1d7480;
    --color-primary-active: #1a6873;
    --color-secondary: rgba(94, 82, 64, 0.12);
    --color-secondary-hover: rgba(94, 82, 64, 0.2);
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    
    --color-background: #fcfcf9;
    --color-surface: #fffffe;
    --color-text: #13343b;
    --color-text-secondary: #627473;
    --color-border: rgba(94, 82, 64, 0.2);
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-base: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-background: #1f2121;
        --color-surface: #262828;
        --color-text: #f5f5f5;
        --color-text-secondary: rgba(167, 169, 169, 0.7);
        --color-border: rgba(119, 124, 124, 0.3);
        --color-primary: #32b8c6;
        --color-primary-hover: #2da6b2;
        --color-secondary: rgba(119, 124, 124, 0.15);
        --color-secondary-hover: rgba(119, 124, 124, 0.25);
    }
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #21808d 0%, #297480 50%, #1d6873 100%);
    padding: var(--space-4);
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-container {
    text-align: center;
    margin-bottom: var(--space-8);
}

.logo-icon {
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.logo-container h1 {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

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

.login-form {
    margin-top: var(--space-6);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-2);
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-surface);
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(33, 128, 141, 0.1);
}

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

select.form-control {
    cursor: pointer;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    margin-right: var(--space-2);
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border: none;
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--primary:active {
    background-color: var(--color-primary-active);
    transform: translateY(0);
}

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

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

.btn--outline {
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

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

.btn--sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

.btn--full-width {
    width: 100%;
}

.btn-icon {
    flex-shrink: 0;
}

/* Header */
.header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.header-logo {
    color: var(--color-primary);
}

.header-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-base);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
}

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

.nav-link.active {
    color: var(--color-primary);
    background-color: rgba(33, 128, 141, 0.1);
}

/* Main Content */
.main-content {
    padding: var(--space-8) var(--space-6);
    animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.container--narrow {
    max-width: 800px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    gap: var(--space-4);
}

.page-header h1 {
    margin-bottom: var(--space-2);
}

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

.header-actions {
    display: flex;
    gap: var(--space-3);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
    animation: scaleIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card--primary { border-left: 4px solid var(--color-primary); }
.stat-card--success { border-left: 4px solid var(--color-success); }
.stat-card--info { border-left: 4px solid var(--color-info); }
.stat-card--warning { border-left: 4px solid var(--color-warning); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-base);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.stat-card--primary .stat-icon {
    background-color: rgba(33, 128, 141, 0.1);
    color: var(--color-primary);
}

.stat-card--success .stat-icon {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
}

.stat-card--info .stat-icon {
    background-color: rgba(23, 162, 184, 0.1);
    color: var(--color-info);
}

.stat-card--warning .stat-icon {
    background-color: rgba(255, 193, 7, 0.1);
    color: var(--color-warning);
}

.stat-content h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-6);
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.dashboard-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-base);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    margin-bottom: 0;
}

/* Expenses List */
.expenses-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.expense-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--color-background);
    border-radius: var(--radius-base);
    transition: all var(--transition-base);
}

.expense-item:hover {
    background: var(--color-secondary);
    transform: translateX(5px);
}

.expense-info {
    flex: 1;
}

.expense-description {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.expense-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

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

.expense-amount .amount {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.action-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
    background: var(--color-background);
    border-radius: var(--radius-base);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.action-card:hover {
    background: var(--color-secondary);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.action-card svg {
    color: var(--color-primary);
}

.action-card h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-1);
}

.action-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

/* Status */
.status {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.status--success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
}

.status--error {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--color-error);
}

/* Filters */
.filters-bar {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-5);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
}

.filter-group {
    flex: 1;
}

/* Table */
.expenses-table-container {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-base);
    overflow-x: auto;
}

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

.expenses-table thead tr {
    background: var(--color-background);
}

.expenses-table th {
    padding: var(--space-4);
    text-align: left;
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-border);
}

.expenses-table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.expenses-table tbody tr {
    transition: all var(--transition-fast);
}

.expenses-table tbody tr:hover {
    background: var(--color-background);
}

.expenses-table .amount {
    font-weight: 600;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    padding: var(--space-6);
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: scaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal--large .modal-content {
    max-width: 1200px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-3xl);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-base);
}

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

.modal form {
    padding: var(--space-6);
}

.modal-footer {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* Report Editor */
.report-editor {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-6);
    padding: var(--space-6);
}

.editor-sidebar {
    border-right: 1px solid var(--color-border);
    padding-right: var(--space-6);
}

.editor-preview h3 {
    margin-bottom: var(--space-4);
}

.report-preview2 {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    background: #3f3f3f;
    min-height: 600px;
}

.preview-document {
    font-family: Arial, sans-serif;
}

.preview-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.preview-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.preview-title h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-2);
}

.preview-period {
    background: #000;
    color: white;
    padding: var(--space-3);
    text-align: center;
    margin: var(--space-6) 0;
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-6) 0;
}

.preview-table th,
.preview-table td {
    border: 1px solid #000;
    padding: var(--space-3);
}

.preview-table2 th {
    background: #000000;
    font-weight: 600;
}

.preview-summary {
    margin-top: var(--space-6);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-3