/* ===========================
   Hisab Kitab App - Global Styles
   =========================== */

:root {
    --primary-color: #4CAF50;
    --primary-dark: #388E3C;
    --secondary-color: #2196F3;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --danger-color: #F44336;
    --info-color: #2196F3;
    --light-bg: #F5F5F5;
    --dark-bg: #121212;
    --card-bg: #FFFFFF;
    --text-primary: #212121;
    --text-secondary: #757575;
    --border-color: #E0E0E0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    --transition: all 0.3s ease-in-out;
}

/* Dark Mode */
body.dark-mode {
    --card-bg: #1E1E1E;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --light-bg: #121212;
    --border-color: #2C2C2C;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--light-bg);
    color: var(--text-primary);
    transition: var(--transition);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   Navigation & Header
   =========================== */

.navbar {
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.navbar-brand:hover {
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.navbar-right {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--light-bg);
    transform: scale(1.05);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 20px;
}

/* ===========================
   Sidebar Navigation
   =========================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 60px;
    width: 250px;
    height: calc(100vh - 60px);
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
    z-index: 50;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-weight: 500;
}

.nav-item:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
    padding-left: calc(var(--spacing-md) + 4px);
}

.nav-item.active {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
    padding-left: calc(var(--spacing-md) - 4px);
}

.nav-icon {
    font-size: 20px;
}

.nav-text {
    font-size: 15px;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    z-index: 40;
    flex-direction: column;
    gap: 0;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu-item {
    padding: var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.mobile-menu-item:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

/* ===========================
   Main Content
   =========================== */

.main-content {
    margin-left: 250px;
    min-height: calc(100vh - 60px);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

/* ===========================
   Cards & Layout
   =========================== */

.card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    margin-bottom: var(--spacing-lg);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

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

.card-footer {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Grid Layout */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ===========================
   Statistics Cards
   =========================== */

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.stat-card.success {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
}

.stat-card.warning {
    background: linear-gradient(135deg, #FF9800, #E65100);
}

.stat-card.danger {
    background: linear-gradient(135deg, #F44336, #C62828);
}

.stat-card.info {
    background: linear-gradient(135deg, #2196F3, #1565C0);
}

.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.stat-unit {
    font-size: 14px;
    opacity: 0.8;
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: #1565C0;
    transform: translateY(-2px);
}

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

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

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: 10px;
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ===========================
   Forms
   =========================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: var(--transition);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-control:disabled {
    background-color: var(--light-bg);
    cursor: not-allowed;
}

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

select.form-control {
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.form-error {
    color: var(--danger-color);
    font-size: 12px;
    margin-top: var(--spacing-xs);
}

.form-success {
    color: var(--success-color);
    font-size: 12px;
    margin-top: var(--spacing-xs);
}

/* ===========================
   Alerts & Notifications
   =========================== */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
    border-color: var(--success-color);
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.alert-warning {
    background-color: rgba(255, 152, 0, 0.1);
    color: var(--warning-color);
    border-color: var(--warning-color);
}

.alert-info {
    background-color: rgba(33, 150, 243, 0.1);
    color: var(--info-color);
    border-color: var(--info-color);
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: inherit;
}

/* ===========================
   Tables
   =========================== */

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
}

.table thead {
    background-color: var(--light-bg);
    border-bottom: 2px solid var(--border-color);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.table .action-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===========================
   Modal
   =========================== */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

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

.modal-content {
    background-color: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

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

.modal-title {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.modal-body {
    margin-bottom: var(--spacing-lg);
}

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

/* ===========================
   Search & Filter
   =========================== */

.search-box {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.search-input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 16px;
}

.filter-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.filter-item {
    flex: 1;
    min-width: 150px;
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

h1 {
    font-size: 32px;
}

h2 {
    font-size: 24px;
}

h3 {
    font-size: 20px;
}

h4 {
    font-size: 16px;
}

h5 {
    font-size: 14px;
}

h6 {
    font-size: 12px;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===========================
   Utilities
   =========================== */

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

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

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

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

.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-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.ml-1 { margin-left: var(--spacing-sm); }
.ml-2 { margin-left: var(--spacing-md); }
.ml-3 { margin-left: var(--spacing-lg); }

.mr-1 { margin-right: var(--spacing-sm); }
.mr-2 { margin-right: var(--spacing-md); }
.mr-3 { margin-right: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.hidden {
    display: none;
}

.visible {
    display: block;
}

.flex {
    display: flex;
}

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

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.w-full {
    width: 100%;
}

.w-50 {
    width: 50%;
}

.h-full {
    height: 100%;
}

.rounded {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.shadow {
    box-shadow: var(--shadow);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.no-wrap {
    white-space: nowrap;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.font-bold {
    font-weight: 600;
}

.font-semibold {
    font-weight: 500;
}

.text-sm {
    font-size: 12px;
}

.text-base {
    font-size: 14px;
}

.text-lg {
    font-size: 16px;
}

/* ===========================
   Animations
   =========================== */

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

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

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

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

.animate-bounce {
    animation: bounce 1s infinite;
}

/* ===========================
   Responsive Design - Tablet
   =========================== */

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }

    .mobile-menu-btn {
        display: block;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 24px;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .table {
        font-size: 12px;
    }

    .table th, .table td {
        padding: var(--spacing-sm);
    }

    .action-buttons {
        flex-direction: column;
    }

    .card {
        padding: var(--spacing-md);
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
}

/* ===========================
   Responsive Design - Mobile
   =========================== */

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .navbar {
        padding: var(--spacing-sm) 0;
    }

    .navbar-brand {
        font-size: 18px;
    }

    .main-content {
        padding: var(--spacing-sm);
    }

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

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-value {
        font-size: 20px;
    }

    .stat-label {
        font-size: 10px;
    }

    .card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .btn {
        padding: 12px 16px;
        font-size: 13px;
        width: 100%;
    }

    .btn-small {
        padding: 8px 12px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 20px;
    }

    h2 {
        font-size: 18px;
    }

    h3 {
        font-size: 16px;
    }

    table {
        font-size: 11px;
    }

    .table th, .table td {
        padding: 8px 4px;
    }

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

    .modal-content {
        width: 98%;
        margin: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .filter-group {
        flex-direction: column;
    }

    .filter-item {
        width: 100%;
        min-width: unset;
    }
}

/* ===========================
   Print Styles
   =========================== */

@media print {
    .navbar,
    .sidebar,
    .mobile-menu,
    .theme-toggle,
    .mobile-menu-btn,
    .btn,
    .footer {
        display: none;
    }

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

    .card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    body {
        background-color: white;
    }
}