/* ... existing styles ... */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ffc105;
    --primary-hover: #ffb300;
    --secondary-color: #ffc105;
    --secondary-hover: #ffb300;
    --danger-color: #ff6b6b;
    --text-color: #2d3748;
    --text-light: #718096;
    --bg-color: #FAF8F3;
    --card-bg: #ffffff;
    --border-color: #FFE58F;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #ffc105;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    padding: 15px;
    min-height: 100vh;
}

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

header {
    text-align: center;
    margin-bottom: 20px;
    padding: 20px 0;
}

header h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
}

.status-bar {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.status-bar::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--success-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-bar.error::before {
    background: var(--error-color);
}

.status-bar.warning::before {
    background: var(--warning-color);
}

main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 600;
}

.card > p {
    color: var(--text-light);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
}

.form-group input[type="number"],
.form-group input[type="text"],
.form-group input[type="file"],
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s;
    background-color: #ffffff;
    color: var(--text-color);
}

.form-group input[type="number"]:focus,
.form-group input[type="text"]:focus,
.form-group input[type="file"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 193, 5, 0.2);
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary-color);
    color: #111827;
    font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 193, 5, 0.4);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 193, 5, 0.4);
}

.btn-text {
    background: transparent;
    color: var(--text-light);
    padding: 6px 12px;
    width: auto;
    margin-top: 10px;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    border: 1px solid transparent;
}

.btn-text:hover {
    color: var(--error-color);
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-icon {
    font-size: 1.2rem;
}

.result-box {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 6px;
    display: none;
    font-size: 0.9rem;
}

.result-box.show {
    display: block;
}

.result-box.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    color: #047857;
}

.result-box.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    color: #991b1b;
}

.result-box.info {
    background: rgba(255, 193, 5, 0.15);
    border: 1px solid var(--primary-color);
    color: #b45309;
}

.activity-log {
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 12px;
}

.activity-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item.success {
    border-left: 4px solid var(--success-color);
}

.activity-item.error {
    border-left: 4px solid var(--error-color);
}

.activity-item.info {
    border-left: 4px solid var(--primary-color);
}

.activity-time {
    color: var(--text-light);
    font-size: 0.8rem;
    margin-bottom: 3px;
}

.activity-message {
    color: var(--text-color);
}

.empty-state {
    text-align: center;
    color: var(--text-light);
    padding: 40px;
    font-style: italic;
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 193, 5, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 0.8s linear infinite;
}

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

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 2rem;
    }
}

/* Search Dropdown Styles */
.search-results-dropdown {
    max-height: 300px;
    overflow-y: auto;
}

.search-result-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.15s;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: #fefefe;
}

.search-result-item.no-results {
    padding: 15px;
    color: var(--text-light);
    text-align: center;
    cursor: default;
}

.search-result-item.no-results:hover {
    background-color: var(--card-bg);
}

.patient-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.patient-details {
    display: flex;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 2px;
}

.patient-dob {
    font-family: monospace;
}

/* Upload Card Styles */
.upload-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border-color);
}

.upload-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 5, 0.25);
    border-color: var(--primary-color);
}

.card-icon {
    color: var(--primary-color);
    background: rgba(255, 193, 5, 0.12);
    width: 50px;
    height: 50px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.file-drop-area {
    border: 2px dashed var(--border-color);
    border-radius: 6px;
    padding: 20px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #fefefe;
    display: block;
    margin-bottom: 0;
}

.file-drop-area:hover {
    border-color: var(--primary-color);
    background: rgba(255, 193, 5, 0.1);
}

.file-msg {
    display: block;
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.file-name {
    display: block;
    font-weight: 500;
    color: var(--text-color);
    margin-top: 10px;
    word-break: break-all;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
    margin-top: auto;
}

/* New: Upload Grid Layout */
.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* New: Drag and Drop Feedback */
.file-drop-area.drag-over {
    border-color: var(--primary-color);
    background: rgba(255, 193, 5, 0.15);
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(255, 193, 5, 0.2);
}

/* Force 2 columns on larger screens */
@media (min-width: 769px) {
    .upload-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Search input focus styling */
#patientSearchInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 193, 5, 0.2);
}

#patientSearchInput::placeholder {
    color: var(--text-light);
}

/* Selected patient info styling */
.selected-patient-info {
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.selected-patient-info:hover {
    background: rgba(255, 193, 5, 0.18) !important;
}

/* Modern clear search button */
.clear-search-btn {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 229, 143, 0.3);
    border-radius: 6px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-light);
    font-size: 20px;
    font-weight: 300;
    line-height: 1;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    margin: 0;
    opacity: 0.7;
    backdrop-filter: blur(4px);
}

.clear-search-btn:hover {
    background: rgba(255, 193, 5, 0.2);
    border-color: var(--primary-color);
    color: var(--primary-color);
    opacity: 1;
    transform: translateY(-50%) rotate(90deg) scale(1.05);
    box-shadow: 0 2px 6px rgba(255, 193, 5, 0.3);
}

.clear-search-btn:active {
    transform: translateY(-50%) rotate(90deg) scale(0.95);
    background: rgba(255, 193, 5, 0.3);
}