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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #fec90d;
    min-height: 100vh;
}

/* ===== USER APP (index.html) ===== */
.app-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px 16px;
    min-height: 100vh;
    position: relative;
}

.logo-wrap { text-align: center; margin-bottom: 24px; padding-top: 10px; }
.logo-wrap img { max-width: 200px; height: auto; }

.card {
    background: #fff;
    border-radius: 16px;
    padding: 28px 22px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
    margin-bottom: 20px;
}

.card h2 {
    font-size: 20px;
    color: #333;
    margin-bottom: 18px;
    text-align: center;
}

.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #444;
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus { border-color: #fec90d; }

.form-group .error-text {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: #fec90d;
    color: #333;
}

.btn-primary:hover:not(:disabled) {
    background: #e6b500;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    background: #ccc;
    color: #888;
    cursor: not-allowed;
    transform: none;
}

.btn-danger {
    background: #e74c3c;
    color: #fff;
}

.btn-success {
    background: #27ae60;
    color: #fff;
}

.btn-sm {
    width: auto;
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 8px;
}

/* Upload Area */
.upload-area {
    border: 3px dashed #ccc;
    border-radius: 14px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 16px;
    position: relative;
}

.upload-area:hover, .upload-area.active {
    border-color: #fec90d;
    background: #fffbe6;
}

.upload-area .upload-icon {
    font-size: 48px;
    margin-bottom: 10px;
    display: block;
}

.upload-area p { color: #666; font-size: 14px; margin-bottom: 6px; }
.upload-area small { color: #999; font-size: 12px; }

.upload-area input[type="file"] {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0;
    cursor: pointer;
}

.preview-wrap {
    text-align: center;
    margin-bottom: 16px;
}

.preview-wrap img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 10px;
    border: 2px solid #ddd;
}

.preview-wrap .remove-btn {
    display: inline-block;
    margin-top: 8px;
    color: #e74c3c;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
}

/* Loading Spinner */
.loading-wrap {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 56px;
    height: 56px;
    border: 5px solid #eee;
    border-top-color: #fec90d;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-wrap p { color: #555; font-size: 15px; }
.loading-wrap .attempt-text { color: #999; font-size: 13px; margin-top: 8px; }

/* Result Screens */
.result-wrap { text-align: center; padding: 20px 0; }

.result-icon {
    font-size: 64px;
    margin-bottom: 16px;
    display: block;
}

.result-wrap h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.result-wrap p {
    font-size: 15px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 16px;
}

.result-wrap.success h3 { color: #27ae60; }
.result-wrap.fail h3 { color: #e74c3c; }
.result-wrap.error h3 { color: #e67e22; }

.eligible-amount {
    font-size: 28px;
    font-weight: 800;
    color: #27ae60;
    margin: 8px 0;
}

.items-summary {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 14px;
    margin: 16px 0;
    text-align: left;
    max-height: 200px;
    overflow-y: auto;
}

.items-summary h4 { font-size: 14px; color: #333; margin-bottom: 8px; }

.items-summary .item-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
    border-bottom: 1px solid #eee;
}

.items-summary .item-row:last-child { border-bottom: none; }
.items-summary .item-row.eligible { color: #27ae60; font-weight: 600; }
.items-summary .item-row .brand-tag {
    background: #27ae60;
    color: #fff;
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 4px;
    margin-left: 6px;
}

/* Confetti Canvas */
#confetti-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* ===== ADMIN & RELOAD PANELS ===== */
.admin-body {
    background: #f4f6f8;
    min-height: 100vh;
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.admin-header {
    background: #fec90d;
    padding: 16px 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.admin-header h1 {
    font-size: 22px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-header img { height: 40px; }

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.summary-card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.summary-card .count {
    font-size: 32px;
    font-weight: 800;
    display: block;
}

.summary-card .label {
    font-size: 13px;
    color: #888;
    margin-top: 4px;
}

.summary-card.total .count { color: #3498db; }
.summary-card.eligible .count { color: #27ae60; }
.summary-card.not-eligible .count { color: #e74c3c; }
.summary-card.sent .count { color: #9b59b6; }

/* Filter Bar */
.filter-bar {
    background: #fff;
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
}

.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label { font-size: 12px; font-weight: 600; color: #666; }

.filter-group input,
.filter-group select {
    padding: 8px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    min-width: 140px;
}

.filter-group input:focus,
.filter-group select:focus { border-color: #fec90d; }

.filter-actions { display: flex; gap: 8px; align-items: flex-end; }

/* Data Table */
.data-table-wrap {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    background: #333;
    color: #fff;
    padding: 12px 14px;
    text-align: left;
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid #eee;
    vertical-align: top;
}

.data-table tr:hover td { background: #fffbe6; }

.data-table tr.row-eligible td {
    background: #e8f8ef;
}

.data-table tr.row-eligible:hover td {
    background: #d4f0e1;
}

.data-table tr.row-not-eligible td {
    background: #fdecea;
}

.data-table tr.row-not-eligible:hover td {
    background: #fad7d3;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-danger { background: #f8d7da; color: #721c24; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-info { background: #d1ecf1; color: #0c5460; }

.action-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn.mark-sent {
    background: #27ae60;
    color: #fff;
}

.action-btn.mark-unsent {
    background: #e74c3c;
    color: #fff;
}

.action-btn:hover { opacity: 0.85; transform: translateY(-1px); }

.items-cell {
    max-width: 250px;
    max-height: 80px;
    overflow-y: auto;
    font-size: 12px;
    line-height: 1.4;
}

.no-data {
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: 16px;
}

/* Loading overlay for admin */
.admin-loading {
    text-align: center;
    padding: 60px;
}

.admin-loading .spinner {
    width: 40px;
    height: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-container { padding: 12px; }
    .admin-header { flex-direction: column; text-align: center; }
    .filter-bar { flex-direction: column; }
    .filter-group input, .filter-group select { min-width: 100%; }
    .summary-cards { grid-template-columns: repeat(2, 1fr); }
    .data-table { font-size: 12px; }
    .data-table th, .data-table td { padding: 8px 10px; }
}

/* Step indicator */
.step-indicator {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.step-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    transition: all 0.3s;
}

.step-dot.active { background: #fff; transform: scale(1.3); }
.step-dot.done { background: #27ae60; }

/* Bill image modal for admin */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: #fff;
    border-radius: 12px;
    max-width: 500px;
    max-height: 90vh;
    overflow: auto;
    padding: 20px;
    position: relative;
}

.modal-content img { width: 100%; border-radius: 8px; }

.modal-close {
    position: absolute;
    top: 10px; right: 14px;
    font-size: 24px;
    cursor: pointer;
    background: #fff;
    border: none;
    border-radius: 50%;
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 16px;
}

.pagination button {
    padding: 6px 14px;
    border: 2px solid #ddd;
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}

.pagination button:hover { border-color: #fec90d; }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination span { font-size: 13px; color: #666; }