/* Gym Membership App - Mobile-First Design */
/* Comfortable Yellowish Theme */

:root {
    /* Comfortable Yellow/Cream Theme */
    --primary-yellow: #F5E6D3;
    --secondary-yellow: #FFF9E6;
    --accent-yellow: #FFD700;
    --warm-yellow: #F8E8A2;
    --dark-yellow: #E8C547;
    --text-dark: #2C2C2C;
    --text-medium: #555555;
    --text-light: #777777;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --border-color: #E5E5E5;
    --success: #4CAF50;
    --danger: #F44336;
    --info: #2196F3;
    --warning: #FF9800;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--secondary-yellow);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p {
    color: var(--text-medium);
    margin-bottom: var(--spacing-sm);
}

/* Header & Navigation */
.header {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--warm-yellow) 100%);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
    padding: 0.5rem;
}

.nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--border-color);
}

.nav-menu.active {
    display: block;
}

.nav-menu ul {
    list-style: none;
    padding: var(--spacing-sm) 0;
}

.nav-menu li {
    border-bottom: 1px solid var(--border-color);
}

.nav-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-dark);
    text-decoration: none;
    transition: background-color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--primary-yellow);
    color: var(--text-dark);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.logout-btn {
    background: var(--danger);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

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

/* Cards */
.card {
    background: var(--white);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.card-header {
    border-bottom: 2px solid var(--primary-yellow);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header.card-header-wrap {
    flex-wrap: wrap;
    gap: 1rem;
}

.card-title {
    margin: 0;
    font-size: 1.25rem;
}

/* Collapsible Cards */
.card-header.collapsible {
    cursor: pointer;
    position: relative;
    user-select: none; /* Prevent text selection on click */
}

.card-header.collapsible::after {
    content: '−'; /* Minus sign for expanded state */
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-light);
}

.card.collapsed .card-header.collapsible::after {
    content: '+'; /* Plus sign for collapsed state */
}

.card.collapsed > *:not(.card-header) { display: none; }

/* Check-in Page */
#memberIdInput {
    font-size: 1.5rem;
    text-align: center;
    padding: 1rem;
}
.checkin-card {
    border-left-width: 8px;
    animation: fadeIn 0.5s ease-in-out;
}
.checkin-success { border-left-color: var(--success); }
.checkin-danger { border-left-color: var(--danger); }
.checkin-warning { border-left-color: var(--warning); }

.qr-reader-container {
    display: none; /* Hidden by default */
    max-width: 400px;
    margin: 0 auto 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background: var(--accent-yellow);
    color: var(--text-dark);
}

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

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

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

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-xl {
    padding: 1.5rem;
    font-size: 1.25rem;
}

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

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

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

/* --- Input with Icon Styles (replaces .input-with-button) --- */
.input-with-icon-container {
    position: relative;
    width: 100%;
}

.input-with-icon-container .form-input {
    padding-right: 3rem; /* Make space for the icon */
}

.input-icon {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem; /* Width of the clickable area */
    cursor: pointer;
    color: var(--text-medium);
    transition: color 0.2s;
}

.input-icon:hover {
    color: var(--text-dark);
}

/* Ensure SVG icon inside the toggle inherits color */
.input-icon svg {
    stroke: currentColor;
}
/* --- End Input with Icon Styles --- */

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    transition: border-color 0.3s;
}

.form-input.input-small {
    width: 70px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-yellow);
}

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

.form-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

/* Password Toggle Styling */
.password-input-container {
    position: relative;
    width: 100%; /* Ensure it takes full width of its parent form-group */
}

.password-input-container .form-input {
    padding-right: 2.5rem; /* Make space for the toggle icon */
}

.password-toggle {
    position: absolute;
    right: 0.75rem; /* Adjust as needed to position the icon */
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-medium);
    font-size: 1.2rem; /* Adjust icon size */
    user-select: none; /* Prevent text selection */
    line-height: 1; /* Ensure vertical alignment */
}

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

/* Ensure SVG icon inside the toggle inherits color */
.password-toggle svg {
    stroke: currentColor;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
}

.table thead {
    background: var(--primary-yellow);
}

.table th {
    padding: var(--spacing-sm);
    text-align: left;
    font-weight: 600;
    color: var(--text-dark);
}

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

.table tbody tr:hover {
    background: var(--secondary-yellow);
}

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

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-success {
    background: #E8F5E9;
    color: var(--success);
}

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

.badge-warning {
    background: #FFF3E0;
    color: var(--warning);
}

.badge-info {
    background: #E3F2FD;
    color: var(--info);
}

/* Generic Loading State Container */
.loading-container {
    position: relative;
    min-height: 150px; /* Ensure container has height while loading */
    pointer-events: none; /* Prevent interaction while loading */
}

.loading-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 10;
    border-radius: 8px; /* Match table/card radius */
}

.loading-container::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin-top: -20px;
    margin-left: -20px;
    border: 4px solid var(--primary-yellow);
    border-top-color: var(--accent-yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 11;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--warm-yellow) 100%);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-medium);
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 8px;
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-yellow);
    padding-bottom: var(--spacing-sm);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-medium);
}

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

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--secondary-yellow) 100%);
}

.login-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-logo h1 {
    font-size: 2rem;
    color: var(--text-dark);
}

.login-logo-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1rem;
    /* Using the hex code as --primary-color is not defined in this file */
    border: 3px solid #f7d24a;
}

.login-forgot-password {
    text-align: center;
    font-size: 0.8rem;
    margin-top: var(--spacing-sm);
    color: var(--text-light);
}

.login-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-medium);
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--text-dark);
    border-bottom-color: var(--accent-yellow);
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.action-btn {
    padding: 0.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.3s;
}

.action-btn:hover {
    transform: scale(1.05);
}

.action-btn svg {
    width: 16px;
    height: 16px;
    vertical-align: middle; /* Helps align icon properly */
}

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

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Footer */
.footer {
    background: var(--primary-yellow);
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-medium);
    margin-top: var(--spacing-xl);
}

/* Responsive Design */
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }
    
    .nav-menu {
        display: block;
        position: static;
        background: transparent;
        box-shadow: none;
        border: none;
    }
    
    .nav-menu ul {
        display: flex;
        gap: var(--spacing-md);
        padding: 0;
    }
    
    .nav-menu li {
        border: none;
    }
    
    .nav-menu a {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .container {
        padding: var(--spacing-lg);
    }
    
    .table {
        font-size: 1rem;
    }
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-md { margin-top: var(--spacing-md); }
.hidden { display: none; }
.preserve-whitespace {
    white-space: pre-line; /* Collapses whitespace sequences, but preserves newlines */
}

/* Page Header with Actions */
.page-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: 1rem;
}

/* Header controls inside cards */
.header-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}
/* Pagination Container */
.pagination-container {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

/* Modal Actions Container */
.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: var(--spacing-md);
}
.modal-actions .btn {
    flex: 1;
}

/* --- Custom Alert/Confirm Modal Styles --- */
.custom-modal-overlay {
    display: none; /* Hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* Dark semi-transparent background */
    z-index: 3000; /* Higher than other modals */
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.custom-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.custom-modal-content {
    background: var(--white);
    border-radius: 8px;
    padding: var(--spacing-lg);
    max-width: 450px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    transition: transform 0.3s ease-in-out;
}

.custom-modal-overlay.active .custom-modal-content {
    transform: translateY(0);
}

.custom-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-yellow);
    padding-bottom: var(--spacing-sm);
}

.custom-modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-dark);
}

.custom-modal-body {
    margin-bottom: var(--spacing-md);
    color: var(--text-medium);
    line-height: 1.5;
}

.custom-modal-footer {
    display: flex;
    justify-content: flex-end; /* Align buttons to the right */
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.custom-modal-button-group .btn {
    min-width: 100px; /* Ensure buttons have a decent minimum width */
}

.custom-modal-btn-primary {
    background: var(--accent-yellow);
    color: var(--text-dark);
}