:root {
    --primary: #2d6a4f;
    --primary-light: #40916c;
    --primary-dark: #1b4332;
    --accent: #52b788;
    --bg-color: #f8f9fa;
    --text-main: #212529;
    --text-muted: #6c757d;
    --surface: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.05);
    --radius: 16px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background: radial-gradient(circle at top right, #eaf4f0, #f8f9fa);
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #f3f4f6; }
::-webkit-scrollbar-thumb { background: #9ca3af; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Global Page Loader */
#page-loader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: #ffffff; z-index: 99999; display: flex; justify-content: center; align-items: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}
.loader-spinner {
    width: 50px; height: 50px; border: 4px solid rgba(16, 185, 129, 0.2);
    border-top: 4px solid var(--primary); border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }


.app-container {
    max-width: 1400px;
    width: 95%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.glass-header {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 20px 0;
    display: flex;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.content-wrapper {
    flex: 1;
    padding: 40px 0;
}

.footer {
    text-align: center;
    padding: 24px 0;
    color: var(--text-muted);
    font-size: 14px;
    border-top: 1px solid rgba(0,0,0,0.05);
}

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 106, 79, 0.4);
}

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

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

.btn-block {
    width: 100%;
}

.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0,0,0,0.02);
}

/* Form Styles - Floating / Premium */
.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #4b5563;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    transition: var(--transition);
    background: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* Select2 Premium Styles */
.select2-container--default .select2-selection--single {
    background-color: #fff !important;
    border: 1px solid #d1d5db !important;
    border-radius: 6px !important;
    height: 52px !important;
    transition: var(--transition);
}
.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: #4b5563 !important;
    line-height: 50px !important;
    padding-left: 15px !important;
    padding-right: 30px !important;
    font-size: 15px !important;
}
.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 50px !important;
    right: 15px !important;
}
.select2-container--default.select2-container--focus .select2-selection--single {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
    outline: none !important;
}
.select2-container--default.select2-container--disabled .select2-selection--single {
    background-color: #f9fafb !important;
    cursor: not-allowed !important;
}
/* Select2 Multiple Selector Premium Overrides */
.select2-container--default .select2-selection--multiple {
    background-color: #fff !important;
    border: 1px solid #d1d5db !important;
    border-radius: 6px !important;
    min-height: 52px !important;
    transition: var(--transition);
    padding: 2px 8px !important;
    display: flex !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    box-sizing: border-box !important;
}
.select2-container--default.select2-container--focus .select2-selection--multiple {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
    outline: none !important;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: rgba(45, 106, 79, 0.08) !important;
    border: 1px solid rgba(45, 106, 79, 0.2) !important;
    border-radius: 20px !important;
    color: var(--primary-dark) !important;
    padding: 4px 12px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    margin: 4px 5px 4px 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
    color: #dc2626 !important;
    border: none !important;
    background: none !important;
    font-weight: 700 !important;
    margin-right: 0 !important;
    order: 2 !important;
    font-size: 14px !important;
    cursor: pointer !important;
    transition: color 0.2s !important;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
    background: none !important;
    color: #b91c1c !important;
}
.select2-container--default .select2-selection--multiple .select2-selection__rendered {
    padding: 0 !important;
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    width: 100% !important;
}
.select2-container--default .select2-selection--multiple .select2-selection__placeholder {
    color: #9ca3af !important;
    font-size: 15px !important;
    margin-left: 5px !important;
}
.select2-container--default.select2-container--disabled .select2-selection--multiple {
    background-color: #f9fafb !important;
    cursor: not-allowed !important;
}
.select2-dropdown {
    border: 1px solid #d1d5db;
    border-radius: 6px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    z-index: 10000;
}
.select2-search--dropdown .select2-search__field {
    border: 1px solid #d1d5db;
    border-radius: 4px;
    padding: 8px 12px;
}
.select2-results__option {
    padding: 10px 16px;
    font-size: 14px;
}
.select2-container--default .select2-results__option--highlighted.select2-results__option--selectable {
    background-color: var(--primary);
    color: white;
}

/* Steps Indicator */
.steps-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
    gap: 15px;
}

.step {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

.step.active {
    color: var(--primary);
    font-weight: 700;
}

.step-divider {
    color: #cbd5e1;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-4 { margin-bottom: 24px; }
.mb-2 { margin-bottom: 16px; }
.mt-4 { margin-top: 24px; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.flex { display: flex; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }

/* Grid Layout for Configuration */
.config-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 30px;
}

@media (max-width: 992px) {
    .config-grid {
        grid-template-columns: 1fr;
    }
}

/* Force Mobile Layout for Form Grids (Bypass View Cache) */
@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr !important;
        display: grid !important;
    }
    .top-grid {
        grid-template-columns: 1fr !important;
        display: grid !important;
    }
    .section-card {
        padding: 20px 15px !important;
    }
    .preview-card {
        padding: 20px 10px !important;
        min-height: 400px !important;
    }
    .large-cert-footer {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
    }
    .form-group {
        margin-bottom: 15px !important;
    }
}

/* Additional Global Mobile Responsiveness Optimizations */
@media (max-width: 576px) {
    /* Checkout Stepper scale-down to avoid overlap */
    .steps-container {
        gap: 8px !important;
        flex-wrap: wrap;
        margin-bottom: 25px !important;
        padding: 0 10px;
    }
    .step {
        font-size: 11px !important;
    }
    .step-divider {
        font-size: 11px !important;
    }

    /* Stacking primary/secondary action buttons vertically */
    #default-actions, #edit-actions, .review-actions {
        flex-direction: column !important;
        gap: 10px !important;
    }
    #default-actions .btn, #default-actions a, 
    #edit-actions .btn, .review-actions .btn {
        width: 100% !important;
        flex: none !important;
        text-align: center !important;
        padding: 12px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    /* Stack Table details rows vertically on review page */
    table.review-table td {
        display: block;
        width: 100% !important;
        text-align: left !important;
        padding: 8px 10px !important;
    }
    table.review-table tr {
        border-bottom: 1px solid #e5e7eb;
        display: block;
        padding: 10px 0;
    }
    table.review-table tr:last-child {
        border-bottom: none;
    }
    table.review-table td.text-right, table.review-table td[style*="text-align: right"] {
        text-align: left !important;
    }
    .tree-item-row {
        justify-content: flex-start !important;
    }
    .edit-field {
        width: 100% !important;
        justify-content: space-between !important;
    }
}

/* Success Receipt alignment & scale-down */
@media (max-width: 480px) {
    .receipt-card {
        margin: 20px 10px !important;
        border-radius: 16px !important;
    }
    .receipt-body {
        padding: 20px 15px !important;
    }
    .cert-id-box {
        padding: 10px !important;
    }
}

/* Gifting Dashboard details grid styling */
.gift-card-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}
@media (max-width: 480px) {
    .gift-card-details {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}