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

:root {
    --primary: #1a3a5c;
    --primary-light: #2a5a8c;
    --primary-bg: #f0f4f8;
    --bg: #f5f7fa;
    --surface: #ffffff;
    --border: #e0e4e8;
    --text: #1a1a2e;
    --text-secondary: #6b7280;
    --success: #059669;
    --error: #dc2626;
    --radius: 8px;
}

[x-cloak] { display: none !important; }

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

/* --- Login --- */
.login-overlay {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.login-card {
    background: var(--surface);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 400px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo h1 {
    color: var(--primary);
    font-size: 24px;
    font-weight: 700;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* --- Form Elements --- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.2s;
    background: var(--surface);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-light);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-bg);
}

.btn-block { width: 100%; }

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* --- Top Bar --- */
.topbar {
    background: var(--surface);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-title {
    font-size: 18px;
    color: var(--primary);
    font-weight: 700;
}

.topbar-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.topbar-left {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    font-size: 13px;
    color: var(--text-secondary);
}

/* --- Tabs --- */
.tabs {
    display: flex;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}

.tab {
    padding: 12px 20px;
    border: none;
    background: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab:hover { color: var(--text); }

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

/* --- Content --- */
.content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 24px;
}

/* --- Controls Panel --- */
.controls-panel {
    background: var(--surface);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

.controls-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
}

.controls-row + .controls-row {
    margin-top: 12px;
}

.controls-row .form-group {
    margin-bottom: 0;
    min-width: 180px;
}

/* --- Action Bar --- */
.action-bar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 16px;
    flex-wrap: wrap;
}

.selected-summary {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    flex: 1;
    flex-wrap: wrap;
}

.selected-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.action-buttons {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.chip-small {
    padding: 2px 8px;
    font-size: 11px;
}

.chip-remove {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 0;
    margin-left: 2px;
}

/* --- Table --- */
.table-container {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}

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

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

.programs-table th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    background: var(--primary-bg);
}

.programs-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.programs-table tbody tr:hover {
    background: var(--primary-bg);
}

.programs-table tbody tr.selected-row {
    background: rgba(26, 58, 92, 0.08);
}

.code-cell {
    font-family: 'SF Mono', Menlo, monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
}

.price-cell {
    font-weight: 600;
    white-space: nowrap;
}

input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* --- States --- */
.loading-state,
.empty-state,
.error-state {
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.error-state { color: var(--error); }

.error-message {
    color: var(--error);
    font-size: 13px;
    margin-bottom: 12px;
    text-align: center;
}

.table-footer {
    padding: 10px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
}

/* --- History --- */
.history-programs {
    max-height: 80px;
    overflow-y: auto;
}

.history-program-item {
    font-size: 12px;
    padding: 2px 0;
    border-bottom: 1px solid var(--border);
}

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

/* --- Toast --- */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    max-width: 400px;
}

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

.toast.error {
    background: var(--error);
    color: white;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .controls-row {
        flex-direction: column;
    }

    .controls-row .form-group {
        min-width: 100%;
    }

    .action-bar {
        flex-direction: column;
    }

    .topbar {
        padding: 12px 16px;
    }

    .content {
        padding: 16px;
    }

    .programs-table {
        font-size: 12px;
    }

    .programs-table th,
    .programs-table td {
        padding: 8px;
    }
}