:root {
    --ush-primary: #2563eb;
    --ush-primary-dark: #1d4ed8;
    --ush-gray-50: #f9fafb;
    --ush-gray-100: #f3f4f6;
    --ush-gray-200: #e5e7eb;
    --ush-gray-300: #d1d5db;
    --ush-gray-400: #9ca3af;
    --ush-gray-500: #6b7280;
    --ush-gray-600: #4b5563;
    --ush-gray-700: #374151;
    --ush-gray-800: #1f2937;
    --ush-gray-900: #111827;
    --ush-green: #10b981;
    --ush-yellow: #f59e0b;
    --ush-red: #ef4444;
    --ush-blue: #3b82f6;
}

.ush-schedule {
    max-width: 900px;
    margin: 2rem auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--ush-container-bg, transparent);
    color: var(--ush-text-color, inherit);
}

.ush-day-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--ush-gray-200);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.ush-day-tab {
    padding: 0.75rem 1.5rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ush-gray-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
    white-space: nowrap;
}

.ush-day-tab:hover {
    color: var(--ush-gray-700);
}

.ush-day-tab.active {
    color: var(--ush-primary);
    border-bottom-color: var(--ush-primary);
}

.ush-day-panel {
    display: none;
}

.ush-day-panel.active {
    display: block;
}

.ush-filter-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.ush-filter-btn {
    padding: 0.4rem 1rem;
    border: 1px solid var(--ush-gray-300);
    border-radius: 6px;
    background: var(--ush-gray-50);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--ush-gray-600);
    transition: all 0.2s;
}

.ush-filter-btn.active {
    background: var(--ush-primary);
    color: #fff;
    border-color: var(--ush-primary);
}

.ush-filter-btn:hover:not(.active) {
    background: var(--ush-gray-100);
}

.ush-session-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ush-session-item {
    background: var(--ush-card-bg, #fff);
    border: 1px solid var(--ush-gray-200);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 0.75rem;
    transition: all 0.2s;
    position: relative;
}

.ush-session-item:hover {
    border-color: var(--ush-gray-300);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.ush-session-item.completed {
    opacity: 0.5;
    background: var(--ush-card-bg, var(--ush-gray-50));
}

.ush-session-item.completed .ush-session-topic {
    text-decoration: line-through;
}

.ush-session-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.ush-session-time {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ush-gray-700);
}

.ush-duration {
    font-weight: 400;
    color: var(--ush-gray-400);
    font-size: 0.8rem;
}

.ush-session-status {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
}

.ush-status-draft {
    background: var(--ush-gray-100);
    color: var(--ush-gray-500);
}

.ush-status-approved {
    background: #dbeafe;
    color: #1d4ed8;
}

.ush-status-done {
    background: #d1fae5;
    color: #059669;
}

.ush-status-rescheduled {
    background: #fef3c7;
    color: #d97706;
}

.ush-breakout-badge {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: #ede9fe;
    color: #7c3aed;
    font-weight: 500;
}

.ush-session-topic {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ush-gray-900);
    margin: 0 0 0.25rem;
}

.ush-session-speakers {
    font-size: 0.875rem;
    color: var(--ush-gray-500);
    margin-bottom: 0.5rem;
}

.ush-session-details {
    font-size: 0.875rem;
    color: var(--ush-gray-600);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.ush-resource-link {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--ush-primary);
    text-decoration: none;
    margin-bottom: 0.5rem;
}

.ush-resource-link:hover {
    text-decoration: underline;
}

.ush-session-tags {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.ush-tag {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: var(--ush-gray-100);
    color: var(--ush-gray-600);
}

.ush-actions {
    margin-top: 0.75rem;
}

.ush-checkin-btn {
    padding: 0.4rem 1rem;
    border: none;
    border-radius: 6px;
    background: var(--ush-primary);
    color: #fff;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.2s;
}

.ush-checkin-btn:hover {
    background: var(--ush-primary-dark);
}

.ush-empty {
    text-align: center;
    color: var(--ush-gray-400);
    padding: 2rem;
    font-style: italic;
}

/* Registration form */
.ush-registration-form {
    max-width: 480px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border: 1px solid var(--ush-gray-200);
    border-radius: 12px;
}

.ush-registration-form h2 {
    margin-top: 0;
    color: var(--ush-gray-900);
}

.ush-registration-form label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    color: var(--ush-gray-700);
    font-size: 0.9rem;
}

.ush-registration-form input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--ush-gray-300);
    border-radius: 6px;
    font-size: 0.9rem;
}

.ush-registration-form input:focus {
    outline: none;
    border-color: var(--ush-primary);
    box-shadow: 0 0 0 2px rgba(37,99,235,0.1);
}

.ush-register-submit button {
    width: 100%;
    padding: 0.65rem;
    border: none;
    border-radius: 6px;
    background: var(--ush-primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
}

.ush-register-submit button:hover {
    background: var(--ush-primary-dark);
}

.ush-register-message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 6px;
}

.ush-register-message.success {
    background: #d1fae5;
    color: #065f46;
}

.ush-register-message.error {
    background: #fee2e2;
    color: #991b1b;
}

/* Check-in app */
.ush-checkin-app {
    max-width: 480px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border: 1px solid var(--ush-gray-200);
    border-radius: 12px;
}

.ush-checkin-app h2 {
    margin-top: 0;
    color: var(--ush-gray-900);
}

.ush-checkin-app input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--ush-gray-300);
    border-radius: 6px;
    font-size: 0.9rem;
}

.ush-checkin-app input:focus {
    outline: none;
    border-color: var(--ush-primary);
    box-shadow: 0 0 0 2px rgba(37,99,235,0.1);
}

.ush-checkin-app button {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 6px;
    background: var(--ush-primary);
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
}

.ush-checkin-app button:hover {
    background: var(--ush-primary-dark);
}

.ush-checkin-result,
.ush-coupon-result {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 6px;
}

.ush-checkin-result.success,
.ush-coupon-result.success {
    background: #d1fae5;
    color: #065f46;
}

.ush-checkin-result.error,
.ush-coupon-result.error {
    background: #fee2e2;
    color: #991b1b;
}