/*
 * QUZYN - Shared Components CSS
 * Date: December 20, 2025
 * Architecture: Shared components + Theme variables
 *
 * This file contains all reusable UI components.
 * Theme-specific colors/fonts are defined in:
 * - buyer-theme.css
 * - provider-theme.css
 * - admin-theme.css
 */

/* ========================================
   RESET & BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-h1); margin-bottom: 1.5rem; }
h2 { font-size: var(--font-size-h2); margin-bottom: 1.25rem; }
h3 { font-size: var(--font-size-h3); margin-bottom: 1rem; }
h4 { font-size: var(--font-size-h4); margin-bottom: 0.75rem; }
h5 { font-size: var(--font-size-h5); margin-bottom: 0.5rem; }
h6 { font-size: var(--font-size-h6); margin-bottom: 0.5rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

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

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

.btn-secondary:hover {
    background: var(--color-secondary-dark);
    transform: translateY(-2px);
}

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

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

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

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

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

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

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

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

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

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

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

.btn-block {
    display: block;
    width: 100%;
}

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

.btn:disabled:hover {
    transform: none;
}

/* ========================================
   FORMS
   ======================================== */

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

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

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

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

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

select.form-control {
    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='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

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

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    margin-right: var(--spacing-xs);
    cursor: pointer;
}

.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

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

.form-control.is-invalid {
    border-color: var(--color-danger);
}

/* Form element descendant selectors (views style inputs directly under .form-group) */
.form-group input:not([type="radio"]):not([type="checkbox"]),
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:not([type="radio"]):not([type="checkbox"]):focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

/* Form sections */
.form-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title-icon {
    font-size: 1.25rem;
}

/* Form row - grid layout for side-by-side fields */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* Form hint text */
.form-hint {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.form-hint-link {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Field validation error */
.field-validation-error {
    color: var(--color-danger);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
    display: block;
}

/* Required field asterisk */
.required-mark {
    color: var(--color-danger);
    font-weight: 700;
}

/* jQuery Unobtrusive Validation — invalid input highlight */
input.input-validation-error,
select.input-validation-error,
textarea.input-validation-error {
    border-color: var(--color-danger);
}

input.input-validation-error:focus,
select.input-validation-error:focus,
textarea.input-validation-error:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px var(--color-danger-light);
}

/* Auth pages — icon input validation error */
.input-field-icon.input-validation-error {
    border-color: var(--color-danger);
}

.input-field-icon.input-validation-error:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 4px var(--color-danger-light);
}

/* Save button */
.btn-save {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    margin-top: var(--spacing-md);
}

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

/* Cancel button/link */
.btn-cancel {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    margin-top: var(--spacing-sm);
    text-decoration: none;
    display: block;
    text-align: center;
}

/* Success message */
.success-message {
    background: var(--color-success);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl, 48px) var(--spacing-lg);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.empty-state-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-hint {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Toggle switch component */
.toggle-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.toggle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.toggle-label {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: 0.3s;
    border-radius: 26px;
}

.toggle-switch .slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-muted);
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked + .slider {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.toggle-switch input:checked + .slider:before {
    transform: translateX(24px);
    background-color: white;
}

/* Image upload */
.image-upload {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.image-preview {
    width: 100px;
    height: 100px;
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-btn {
    flex: 1;
}

.upload-btn input[type="file"] {
    display: none;
}

.upload-btn label {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.upload-btn label:hover {
    background: var(--bg-primary);
}

/* ========================================
   CARDS
   ======================================== */

.card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

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

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

.card-title {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-h3);
}

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

/* ========================================
   GRID & LAYOUT
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-sm));
}

.col {
    flex: 1;
    padding: 0 var(--spacing-sm);
}

.col-auto {
    flex: 0 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    background: var(--bg-secondary);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-size: var(--font-size-h4);
    font-weight: 700;
    color: var(--color-primary);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
}

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

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

/* ========================================
   BADGES & LABELS
   ======================================== */

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 50px;
}

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

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

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

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

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

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

/* ========================================
   ALERTS
   ======================================== */

.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
    border-left: 4px solid var(--color-success);
}

.alert-danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger-dark);
    border-left: 4px solid var(--color-danger);
}

.alert-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
    border-left: 4px solid var(--color-warning);
}

.alert-info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
    border-left: 4px solid var(--color-info);
}

/* ========================================
   MODALS
   ======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-dialog {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

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

.modal-title {
    margin: 0;
    font-size: var(--font-size-h3);
}

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

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

/* ========================================
   TABLES
   ======================================== */

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

.table thead {
    background-color: var(--bg-muted);
}

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

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

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

.table-striped tbody tr:nth-child(odd) {
    background-color: var(--bg-primary);
}

.table-striped tbody tr:nth-child(even) {
    background-color: var(--bg-secondary);
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.page-item {
    display: inline-block;
}

.page-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--color-primary);
    background-color: var(--bg-secondary);
    transition: all 0.3s ease;
}

.page-link:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.page-item.active .page-link {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   UTILITIES
   ======================================== */

/* Spacing */
.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-xs); }
.m-2 { margin: var(--spacing-sm); }
.m-3 { margin: var(--spacing-md); }
.m-4 { margin: var(--spacing-lg); }
.m-5 { margin: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.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); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.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); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { 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-inline-block { display: inline-block; }

/* Flex */
.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; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Border Radius */
.rounded { border-radius: var(--border-radius); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: 9999px; }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .navbar-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .row {
        flex-direction: column;
    }

    .modal-dialog {
        max-width: 95%;
    }

    .table {
        font-size: var(--font-size-sm);
    }

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

/* ========================================
   LOGIN/AUTH COMPONENTS
   Reusable components for login, register, forgot password pages
   Works with all themes (Buyer, Provider, Admin, HubOperator)
   ======================================== */

/* Login Page Background */
body.auth-page {
    background: linear-gradient(135deg, var(--bg-muted) 0%, var(--color-primary-light) 100%);
    min-height: 100vh;
}

/* Login Container */
.auth-container {
    max-width: 450px;
    margin: 2.5rem auto;
    padding: var(--spacing-md);
}

/* Login Card */
.auth-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

/* Login Header */
.auth-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 2.5rem 2rem;
    text-align: center;
}

.auth-logo {
    width: 80px;
    height: 80px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2.25rem;
    font-weight: bold;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.auth-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.auth-title {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.auth-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin: 0;
}

/* Auth Body */
.auth-body {
    padding: 2.5rem 2rem;
}

/* Form Input with Icon */
.input-group-icon {
    margin-bottom: 1.5rem;
    position: relative;
}

.input-group-icon label {
    display: block;
    font-size: 1rem; /* 16px - mobile readable */
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.input-wrapper-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 1.125rem;
    pointer-events: none;
}

.input-field-icon {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem; /* Left padding for icon */
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    background: var(--bg-muted);
    transition: all 0.3s ease;
}

.input-field-icon:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

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

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 1rem;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.125rem;
    user-select: none;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--color-primary);
}

/* Error Message */
.input-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: 0.375rem;
    display: block;
}

/* Remember Me & Forgot Password Row */
.auth-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.remember-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.remember-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.remember-check label {
    font-size: 1rem; /* 16px - mobile readable */
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    margin: 0;
}

.forgot-link {
    font-size: 1rem; /* 16px - mobile readable */
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.forgot-link:hover {
    text-decoration: underline;
}

/* Auth Button (Login/Register) */
.auth-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

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

.auth-button:active {
    transform: translateY(0);
}

.auth-button:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loading Spinner */
.btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 0.5rem;
}

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

/* Divider */
.auth-divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    background: var(--bg-secondary);
    padding: 0 1rem;
    color: var(--text-muted);
    font-size: 1rem; /* 16px - mobile readable */
    position: relative;
}

/* Register Section */
.auth-register {
    text-align: center;
    padding: 1.5rem 0 0;
}

.auth-register-text {
    font-size: 1rem; /* 16px - mobile readable */
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.auth-register-button {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--bg-secondary);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Back Link */
.auth-back {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 1rem; /* 16px - mobile readable */
    text-decoration: none;
}

.auth-back:hover {
    color: var(--color-primary);
}

/* Validation Summary */
.validation-summary {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.validation-summary ul {
    margin: 0;
    padding-left: 1.25rem;
}

/* Input Row (for side-by-side inputs) */
.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.input-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

/* Input Hint */
.input-hint {
    display: block;
    font-size: 0.875rem; /* 14px */
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Auth Checkbox */
.auth-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.auth-checkbox input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.auth-checkbox label {
    font-size: 1rem; /* 16px - mobile readable */
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}

.auth-checkbox .input-error {
    display: block;
    margin-top: 0.25rem;
}

/* Auth Link (for links within text like Terms & Conditions) */
.auth-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-link:hover {
    text-decoration: underline;
}

/* Mobile Responsiveness for Auth Pages */
@media (max-width: 768px) {
    .auth-container {
        margin: 1.5rem auto;
        padding: 0.75rem;
    }

    .auth-header {
        padding: 2rem 1.5rem;
    }

    .auth-body {
        padding: 2rem 1.5rem;
    }

    .auth-logo {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }

    .auth-title {
        font-size: 1.375rem;
    }

    .input-row,
    .input-row-3 {
        grid-template-columns: 1fr;
    }
}

/* Wide auth container for complex forms (e.g., registration) */
.auth-container-wide {
    max-width: 600px;
    margin: 2.5rem auto;
    padding: var(--spacing-md);
}

/* ========================================
   TOAST NOTIFICATIONS (shared-ui.js)
   ======================================== */

.sui-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--color-success, #28a745);
    color: white;
    padding: var(--spacing-sm, 8px) var(--spacing-lg, 24px);
    border-radius: var(--border-radius, 8px);
    font-size: var(--font-size-sm, 14px);
    font-weight: 500;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
    max-width: 90%;
    text-align: center;
}

.sui-toast-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.sui-toast-error {
    background: var(--color-danger, #dc3545);
}

/* ========================================
   CONFIRMATION DIALOG (shared-ui.js)
   ======================================== */

.sui-confirm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.sui-confirm-dialog {
    background: var(--bg-secondary, #fff);
    border-radius: var(--border-radius-lg, 12px);
    max-width: 400px;
    width: 90%;
    padding: var(--spacing-lg, 24px);
    box-shadow: var(--shadow-xl, 0 8px 32px rgba(0, 0, 0, 0.2));
}

.sui-confirm-title {
    font-size: var(--font-size-h3, 1.17em);
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    margin-bottom: var(--spacing-sm, 8px);
}

.sui-confirm-message {
    font-size: var(--font-size-base, 1em);
    color: var(--text-secondary, #6b7280);
    margin-bottom: var(--spacing-lg, 24px);
    line-height: 1.5;
}

.sui-confirm-actions {
    display: flex;
    gap: var(--spacing-sm, 8px);
    justify-content: flex-end;
}

.sui-confirm-btn {
    padding: var(--spacing-sm, 8px) var(--spacing-lg, 24px);
    border-radius: var(--border-radius, 8px);
    font-size: var(--font-size-base, 1em);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background 0.2s, opacity 0.2s;
}

.sui-confirm-btn-cancel {
    background: var(--bg-tertiary, #f3f4f6);
    color: var(--text-primary, #1f2937);
}

.sui-confirm-btn-cancel:hover {
    opacity: 0.8;
}

.sui-confirm-btn-confirm {
    background: var(--color-primary, #e50000);
    color: white;
}

.sui-confirm-btn-confirm:hover {
    opacity: 0.9;
}

.sui-confirm-btn-danger {
    background: var(--color-danger, #dc3545);
}

/* ========================================
   NUMBER INPUT SPINNER REMOVAL
   ======================================== */

.input-no-spin::-webkit-outer-spin-button,
.input-no-spin::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.input-no-spin {
    -moz-appearance: textfield;
}

/* ========================================
   CHARACTER COUNTER
   ======================================== */

.char-counter {
    text-align: right;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.char-counter.over-limit {
    color: var(--color-danger);
    font-weight: 600;
}

/* ========================================
   CHECKBOX GRID (Attributes, Allergens)
   ======================================== */

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.checkbox-item:hover {
    background: var(--bg-tertiary);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: var(--color-primary);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-label {
    font-weight: 500;
}

.checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.3;
}

.checkbox-label .allergen-icon {
    margin-right: 4px;
}

.checkbox-group-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.checkbox-group-title:first-child {
    margin-top: 0;
}

/* ========================================
   RADIO GROUP (Dietary Type)
   ======================================== */

.radio-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.radio-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.radio-item:hover {
    background: var(--bg-tertiary);
}

.radio-item input[type="radio"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: var(--color-primary);
}

.radio-item input[type="radio"]:checked + .radio-label {
    font-weight: 500;
}

.radio-label {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.3;
}

/* ========================================
   RESPONSIVE — FORM & TOGGLE BREAKPOINTS
   ======================================== */

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .toggle-group {
        grid-template-columns: 1fr;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }

    .radio-group {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   AVAILABLE NOW — PRICE & DISCOUNT
   ======================================== */

.price-display {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.price-original {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.price-discounted {
    font-weight: 700;
    color: var(--color-success);
    font-size: var(--font-size-base);
}

.discount-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    font-size: 0.625rem;
    font-weight: 700;
    background: var(--color-danger-light);
    color: var(--color-danger);
    text-transform: uppercase;
}

/* Buyer: status sub-filter row */
.status-filter-row {
    display: flex;
    gap: var(--spacing-xs);
    overflow-x: auto;
    padding: var(--spacing-xs) 0;
    margin-bottom: var(--spacing-sm);
    -webkit-overflow-scrolling: touch;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.status-pill.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Buyer: provider card AN callout */
.provider-an-callout {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px var(--spacing-sm);
    background: var(--color-warning-light);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-warning-dark);
    margin-top: var(--spacing-xs);
}

/* Buyer profile: Ready Now badge on regular menu items */
.ready-now-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.625rem;
    font-weight: 700;
    background: var(--color-warning-light);
    color: var(--color-primary);
    text-transform: uppercase;
}