/* ========================================
   Rudra NCD - Custom CSS Framework
   No Bootstrap - Pure Custom CSS
   ======================================== */

/* ========================================
   CSS Variables - Color Scheme
   ======================================== */
:root {
    /* Primary Colors */
    --primary-orange: #FF8C40;
    --dark-orange: #E67A2E;
    --light-orange: #FFB380;
    /* Base Colors */
    --white: #FFFFFF;
    --black: #2C2C2C;
    --dark-gray: #4A4A4A;
    --light-gray: #F5F5F5;
    --border-gray: #DDDDDD;
    /* Status Colors */
    --success-green: #4CAF50;
    --error-red: #F44336;
    --warning-orange: #FF9800;
    --info-blue: #2196F3;
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    /* Typography */
    --font-family: Arial, Helvetica, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--black);
    background-color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

h1 {
    font-size: var(--font-size-xxl);
}

h2 {
    font-size: var(--font-size-xl);
}

h3 {
    font-size: var(--font-size-lg);
}

h4 {
    font-size: var(--font-size-base);
}

h5 {
    font-size: var(--font-size-sm);
}

h6 {
    font-size: var(--font-size-sm);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

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

    a:hover {
        color: var(--dark-orange);
    }

/* ========================================
   Layout - Container
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   Header - Common Styles
   ======================================== */
.main-header,
.admin-header,
.user-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

/* Logo Styles */
.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-orange);
    cursor: pointer;
    transition: color var(--transition-fast);
}

    .logo:hover {
        color: var(--dark-orange);
    }

/* Navigation Styles */
.main-nav,
.user-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--dark-gray);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

    .nav-link:hover {
        color: var(--primary-orange);
        background-color: var(--light-gray);
    }

    .nav-link.active {
        color: var(--primary-orange);
        background-color: var(--light-orange);
    }

/* Header Right Section */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-sm);
}

    .mobile-menu-toggle span {
        width: 25px;
        height: 3px;
        background-color: var(--primary-orange);
        transition: all var(--transition-fast);
        border-radius: 2px;
    }

/* ========================================
   Admin Layout - Sidebar
   ======================================== */
.admin-body {
    background-color: var(--light-gray);
}

.admin-layout {
    display: flex;
    min-height: calc(100vh - 120px);
}

.sidebar {
    width: 250px;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

    .sidebar-nav .nav-link {
        display: flex;
        align-items: center;
        padding: var(--spacing-md) var(--spacing-lg);
        color: var(--dark-gray);
        border-left: 3px solid transparent;
        transition: all var(--transition-fast);
    }

        .sidebar-nav .nav-link:hover {
            background-color: var(--light-gray);
            border-left-color: var(--light-orange);
        }

        .sidebar-nav .nav-link.active {
            background-color: var(--light-orange);
            border-left-color: var(--primary-orange);
            color: var(--primary-orange);
        }

    .sidebar-nav .nav-icon {
        font-size: 20px;
        margin-right: var(--spacing-md);
    }

    .sidebar-nav .nav-text {
        font-weight: 500;
    }

/* ========================================
   Content Area
   ======================================== */
.main-content {
    flex: 1;
    padding: var(--spacing-xl) 0;
}

.content {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-x: hidden;
}

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

.user-layout {
    min-height: calc(100vh - 120px);
    background-color: var(--light-gray);
}

/* ========================================
   Footer
   ======================================== */
.main-footer,
.admin-footer,
.user-footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-gray);
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: auto;
}

    .main-footer p,
    .admin-footer p,
    .user-footer p {
        margin: 0;
        color: var(--dark-gray);
        font-size: var(--font-size-sm);
    }

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

    .btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
    }

/* Primary Button */
.btn-primary {
    background-color: var(--primary-orange);
    color: var(--white);
}

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

/* Secondary Button */
.btn-secondary {
    background-color: var(--light-gray);
    color: var(--dark-gray);
    border: 1px solid var(--border-gray);
}

    .btn-secondary:hover:not(:disabled) {
        background-color: var(--border-gray);
        color: var(--black);
    }

/* Danger Button */
.btn-danger {
    background-color: var(--error-red);
    color: var(--white);
}

    .btn-danger:hover:not(:disabled) {
        background-color: #D32F2F;
        color: var(--white);
    }

/* Success Button */
.btn-success {
    background-color: var(--success-green);
    color: var(--white);
}

    .btn-success:hover:not(:disabled) {
        background-color: #388E3C;
        color: var(--white);
    }

/* Logout Button */
.btn-logout {
    background-color: transparent;
    color: var(--error-red);
    border: 1px solid var(--error-red);
}

    .btn-logout:hover {
        background-color: var(--error-red);
        color: var(--white);
    }

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* Button Block */
.btn-block {
    display: block;
    width: 100%;
}

/* ========================================
   Form Controls
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--black);
    font-weight: 500;
}

    .form-label.required::after {
        content: " *";
        color: var(--error-red);
    }

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--black);
    background-color: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

    .form-control:focus {
        outline: none;
        border-color: var(--primary-orange);
        box-shadow: 0 0 0 3px rgba(255, 140, 64, 0.1);
    }

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

    .form-control::placeholder {
        color: #999;
    }

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

/* Select */
select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A4A4A' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: var(--spacing-xxl);
}

/* File Upload */
input[type="file"].form-control {
    padding: var(--spacing-sm);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
    color: var(--dark-gray);
}

/* Form Validation */
.form-control.is-invalid {
    border-color: var(--error-red);
}

.form-control.is-valid {
    border-color: var(--success-green);
}

.invalid-feedback {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--error-red);
    font-size: var(--font-size-sm);
}

.valid-feedback {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--success-green);
    font-size: var(--font-size-sm);
}

/* ========================================
   Tables
   ======================================== */
.table-responsive {
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

    .table thead {
        background-color: var(--primary-orange);
        color: var(--white);
    }

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

    .table tbody tr {
        border-bottom: 1px solid var(--border-gray);
        transition: background-color var(--transition-fast);
    }

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

        .table tbody tr:nth-child(even) {
            background-color: #FAFAFA;
        }

            .table tbody tr:nth-child(even):hover {
                background-color: var(--light-gray);
            }

    .table tbody td {
        padding: var(--spacing-md);
        color: var(--dark-gray);
    }

        .table tbody td.actions {
            display: flex;
            gap: var(--spacing-sm);
        }

/* Table Actions */
.table-action {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    transition: box-shadow var(--transition-normal);
}

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

.card-header {
    padding: var(--spacing-lg);
    background-color: var(--light-gray);
    border-bottom: 1px solid var(--border-gray);
}

.card-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--black);
}

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

.card-footer {
    padding: var(--spacing-lg);
    background-color: var(--light-gray);
    border-top: 1px solid var(--border-gray);
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-orange);
    transition: transform var(--transition-fast);
}

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

.stat-card-title {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card-value {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: var(--spacing-xs);
}

.stat-card-change {
    font-size: var(--font-size-sm);
    color: var(--success-green);
}

    .stat-card-change.negative {
        color: var(--error-red);
    }

/* ========================================
   Alerts
   ======================================== */
.alert {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-sm);
    position: relative;
    animation: slideInDown var(--transition-normal);
}

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

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

.alert-icon {
    font-size: 20px;
    margin-right: var(--spacing-md);
}

.alert-message {
    flex: 1;
}

.alert-close {
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 0;
    margin-left: var(--spacing-md);
    transition: opacity var(--transition-fast);
}

    .alert-close:hover {
        opacity: 1;
    }

/* Alert Types */
.alert-success {
    background-color: #E8F5E9;
    color: #2E7D32;
    border-left: 4px solid var(--success-green);
}

.alert-error {
    background-color: #FFEBEE;
    color: #C62828;
    border-left: 4px solid var(--error-red);
}

.alert-warning {
    background-color: #FFF3E0;
    color: #E65100;
    border-left: 4px solid var(--warning-orange);
}

.alert-info {
    background-color: #E3F2FD;
    color: #1565C0;
    border-left: 4px solid var(--info-blue);
}

/* ========================================
   Utility Classes
   ======================================== */
/* Spacing */
.mt-0 {
    margin-top: 0;
}

.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-0 {
    margin-bottom: 0;
}

.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);
}

.p-0 {
    padding: 0;
}

.p-1 {
    padding: var(--spacing-sm);
}

.p-2 {
    padding: var(--spacing-md);
}

.p-3 {
    padding: var(--spacing-lg);
}

.p-4 {
    padding: var(--spacing-xl);
}

/* Text Alignment */
.text-left {
    text-align: left;
}

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

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

/* Display */
.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-flex {
    display: flex;
}

.d-grid {
    display: grid;
}

/* Flex Utilities */
.flex-column {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.justify-content-start {
    justify-content: flex-start;
}

.justify-content-center {
    justify-content: center;
}

.justify-content-end {
    justify-content: flex-end;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-start {
    align-items: flex-start;
}

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

.align-items-end {
    align-items: flex-end;
}

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.gap-3 {
    gap: var(--spacing-lg);
}

/* Text Colors */
.text-primary {
    color: var(--primary-orange);
}

.text-success {
    color: var(--success-green);
}

.text-error {
    color: var(--error-red);
}

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

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

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

/* Background Colors */
.bg-primary {
    background-color: var(--primary-orange);
}

.bg-light {
    background-color: var(--light-gray);
}

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

/* ========================================
   Responsive Media Queries
   ======================================== */

/* Tablet (768px to 1023px) */
@media (max-width: 1023px) {
    :root {
        --font-size-base: 15px;
        --font-size-xxl: 28px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .sidebar {
        width: 200px;
    }

    .sidebar-nav .nav-icon {
        font-size: 18px;
    }

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

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

/* Mobile (below 768px) */
@media (max-width: 767px) {
    :root {
        --font-size-base: 14px;
        --font-size-xxl: 24px;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
    }

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

    /* Mobile Header */
    .header-content {
        padding: var(--spacing-sm) 0;
    }

    .logo {
        font-size: 24px;
    }

    .main-nav,
    .user-nav {
        display: none;
    }

    .header-right {
        display: none;
    }

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

    /* Show Mobile Navigation */
    .main-nav.mobile-active,
    .user-nav.mobile-active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md);
        z-index: 999;
        animation: slideInLeft var(--transition-normal);
    }

    @keyframes slideInLeft {
        from {
            transform: translateX(-100%);
        }

        to {
            transform: translateX(0);
        }
    }

    .main-nav.mobile-active .nav-link,
    .user-nav.mobile-active .nav-link {
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-gray);
    }

    /* Mobile Sidebar */
    .admin-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: static;
        height: auto;
        display: none;
    }

        .sidebar.mobile-active {
            display: block;
        }

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

    /* Mobile Tables */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table {
        min-width: 600px;
    }

    /* Mobile Dashboard Cards */
    .dashboard-cards {
        grid-template-columns: 1fr;
    }

    /* Mobile Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    /* Mobile Forms */
    .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    /* Mobile Typography */
    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }

    h3 {
        font-size: 18px;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .sidebar,
    .mobile-menu-toggle,
    .admin-header,
    .user-header,
    .main-header,
    .admin-footer,
    .user-footer,
    .main-footer {
        display: none;
    }

    .content {
        padding: 0;
    }

    .card,
    .table {
        box-shadow: none;
        border: 1px solid var(--border-gray);
    }
}