/* ============================================================
   ChatVibe - Campanhas WhatsApp
   Complete Design System
   ============================================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
    --color-primary: #6b41bf;
    --color-primary-hover: #5a36a0;
    --color-primary-light: #f0ebf8;
    --color-success: #0d9488;
    --color-success-light: #ccfbf1;
    --color-danger: #dc2626;
    --color-danger-light: #fee2e2;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;

    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-border-focus: #6b41bf;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;

    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Consolas', monospace;

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow: hidden;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }

/* --- Utilities --- */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Screen Management --- */
.screen {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

#loading-screen {
    align-items: center;
    justify-content: center;
    gap: 16px;
}

#loading-screen p {
    color: var(--color-text-secondary);
    font-size: 15px;
}


/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    font-family: var(--font-sans);
}

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

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

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

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-100);
    border-color: var(--color-gray-300);
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    background: #b91c1c;
    border-color: #b91c1c;
}

.btn-success {
    background: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
    background: #0f766e;
}

.btn-warning {
    background: var(--color-warning);
    color: #fff;
    border-color: var(--color-warning);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 16px;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--color-gray-100);
    color: var(--color-text);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-group {
    display: flex;
    gap: 8px;
}

/* --- Form Elements --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 14px;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    justify-content: flex-end;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(107, 65, 191, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
    cursor: pointer;
}

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

label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 500;
    color: var(--color-text);
}

input[type="range"] {
    width: 100%;
    height: 6px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 14px;
}

fieldset legend {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    padding: 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* --- Error / Success Messages --- */
.error-msg {
    padding: 10px 14px;
    background: var(--color-danger-light);
    color: var(--color-danger);
    border: 1px solid #fca5a5;
    border-radius: var(--radius-md);
    font-size: 13px;
    margin-bottom: 12px;
}

.success-msg {
    padding: 10px 14px;
    background: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid #5eead4;
    border-radius: var(--radius-md);
    font-size: 13px;
    margin-bottom: 12px;
}

.warning-msg {
    padding: 10px 14px;
    background: var(--color-warning-light);
    color: #92400e;
    border: 1px solid #fcd34d;
    border-radius: var(--radius-md);
    font-size: 13px;
    margin-bottom: 12px;
}

.info-msg {
    padding: 10px 14px;
    background: var(--color-info-light);
    color: #1e40af;
    border: 1px solid #93c5fd;
    border-radius: var(--radius-md);
    font-size: 13px;
    margin-bottom: 12px;
}

/* --- Setup / Settings Cards --- */
.setup-card,
.settings-card {
    max-width: 480px;
    margin: 40px auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-md);
}

.setup-card h2,
.settings-card h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text);
}

.setup-card p {
    color: var(--color-text-secondary);
    font-size: 13px;
    margin-bottom: 20px;
}

/* --- Spinner --- */
.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 18px;
    height: 18px;
    border-width: 2px;
}

.spinner-inline {
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
}

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

/* --- Status Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.badge-draft {
    background: var(--color-gray-200);
    color: var(--color-gray-600);
}

.badge-scheduled {
    background: #ede9fe;
    color: #6d28d9;
}

.badge-running {
    background: var(--color-info-light);
    color: #1d4ed8;
    animation: pulse-badge 2s ease-in-out infinite;
}

.badge-paused {
    background: var(--color-warning-light);
    color: #92400e;
}

.badge-completed {
    background: var(--color-success-light);
    color: #065f46;
}

.badge-failed {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-cancelled {
    background: var(--color-gray-300);
    color: var(--color-gray-700);
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* --- Tables --- */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

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

thead th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-gray-100);
    vertical-align: middle;
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--color-gray-50);
}

.table-actions {
    display: flex;
    gap: 4px;
}

/* --- Campaign List --- */
.campaign-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.campaign-list-header h2 {
    font-size: 18px;
    font-weight: 700;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 13px;
    margin-bottom: 16px;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 12px 0;
}

.pagination button {
    padding: 6px 10px;
    font-size: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination button:hover:not(:disabled) {
    background: var(--color-gray-100);
    color: var(--color-text);
}

.pagination button.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* --- Wizard --- */
.wizard-container {
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
}

.wizard-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    padding: 0 10px;
}

.wizard-step {
    display: flex;
    align-items: center;
    gap: 8px;
}

.wizard-step-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    border: 2px solid var(--color-gray-300);
    color: var(--color-gray-400);
    background: var(--color-surface);
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.wizard-step-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-400);
    white-space: nowrap;
    transition: color var(--transition-normal);
}

.wizard-step.active .wizard-step-circle {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

.wizard-step.active .wizard-step-label {
    color: var(--color-primary);
}

.wizard-step.completed .wizard-step-circle {
    border-color: var(--color-success);
    background: var(--color-success);
    color: #fff;
}

.wizard-step.completed .wizard-step-label {
    color: var(--color-success);
}

.wizard-step-line {
    width: 40px;
    height: 2px;
    background: var(--color-gray-300);
    margin: 0 4px;
    flex-shrink: 0;
    transition: background var(--transition-normal);
}

.wizard-step-line.completed {
    background: var(--color-success);
}

.wizard-body {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    min-height: 300px;
    box-shadow: var(--shadow-sm);
}

.wizard-body h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-gray-100);
}

.wizard-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    gap: 12px;
}

.wizard-nav .btn {
    min-width: 120px;
}

/* --- Filter Builder --- */
.filter-builder {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px;
    background: var(--color-gray-50);
}

.filter-rule {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.filter-rule select,
.filter-rule input {
    flex: 1;
    min-width: 100px;
}

.filter-rule .filter-connector {
    width: 60px;
    flex: none;
}

.filter-rule .btn-remove-rule {
    width: 30px;
    height: 30px;
    padding: 0;
    font-size: 16px;
    color: var(--color-danger);
    border-color: transparent;
    background: transparent;
    flex-shrink: 0;
}

.filter-rule .btn-remove-rule:hover {
    background: var(--color-danger-light);
}

.filter-add-btn {
    margin-top: 8px;
}

/* --- Template Preview --- */
.template-preview {
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 12px;
}

.template-preview-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.template-preview-body {
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 10px;
}

.template-variable {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: 1px 4px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 12px;
}

.template-buttons-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.template-button-badge {
    padding: 4px 10px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 11px;
    color: var(--color-text-secondary);
}

.variable-mapping {
    margin-top: 14px;
}

.variable-mapping-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.variable-mapping-row label {
    min-width: 80px;
    padding-top: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    flex-shrink: 0;
}

.variable-mapping-row select,
.variable-mapping-row input {
    flex: 1;
    min-width: 100px;
}

/* --- Media Upload --- */
.media-upload {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 12px;
}

.media-upload:hover,
.media-upload.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.media-upload p {
    color: var(--color-text-muted);
    font-size: 13px;
}

.media-upload .upload-icon {
    font-size: 28px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.media-upload-preview {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-top: 8px;
}

.media-upload-preview .file-name {
    flex: 1;
    font-size: 13px;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Post Action Editor --- */
.post-action-section {
    margin-bottom: 16px;
}

.post-action-section h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.post-action-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 10px;
    padding: 10px;
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

.post-action-row select,
.post-action-row input,
.post-action-row textarea {
    flex: 1;
    min-width: 100px;
}

.post-action-config {
    display: flex;
    gap: 8px;
    flex: 2;
    flex-wrap: wrap;
}

.post-action-config input,
.post-action-config select,
.post-action-config textarea {
    flex: 1;
    min-width: 80px;
}

/* --- Contact Preview --- */
.contact-preview-container {
    margin-top: 16px;
}

.contact-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.contact-preview-header strong {
    font-size: 14px;
}

.contact-more {
    text-align: center;
    padding: 10px;
    color: var(--color-text-muted);
    font-size: 12px;
    font-style: italic;
}

/* --- Progress View --- */
.progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.progress-header h2 {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.progress-actions {
    display: flex;
    gap: 8px;
}

/* --- Progress Bar --- */
.progress-bar-container {
    margin-bottom: 20px;
}

.progress-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    transition: width 0.5s ease;
    position: relative;
}

.progress-bar-fill.running {
    background: linear-gradient(90deg, var(--color-primary) 0%, #a78bfa 50%, var(--color-primary) 100%);
    background-size: 200% 100%;
    animation: progress-shimmer 2s linear infinite;
}

@keyframes progress-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Stats Grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px;
    text-align: center;
}

.stat-card-value {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-card-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.stat-card.stat-total .stat-card-value { color: var(--color-text); }
.stat-card.stat-sent .stat-card-value { color: var(--color-success); }
.stat-card.stat-failed .stat-card-value { color: var(--color-danger); }
.stat-card.stat-skipped .stat-card-value { color: var(--color-gray-500); }
.stat-card.stat-pending .stat-card-value { color: var(--color-primary); }

/* --- Log Feed --- */
.log-feed {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-gray-900);
    color: #e2e8f0;
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 10px;
    margin-bottom: 20px;
}

.log-entry {
    padding: 2px 0;
    line-height: 1.5;
}

.log-entry .log-time {
    color: var(--color-gray-400);
    margin-right: 8px;
}

.log-entry.log-success { color: #6ee7b7; }
.log-entry.log-error { color: #fca5a5; }
.log-entry.log-warning { color: #fcd34d; }
.log-entry.log-info { color: #93c5fd; }

/* --- Modal / Dialog --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: blur(2px);
}

.modal-dialog {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    animation: modal-in 0.2s ease;
}

@keyframes modal-in {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-dialog h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
}

.modal-dialog p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 18px;
    line-height: 1.5;
}

.modal-dialog .modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.modal-dialog.modal-danger h3 { color: var(--color-danger); }
.modal-dialog.modal-warning h3 { color: #92400e; }

/* --- Toast Notifications --- */
#toast-container {
    position: fixed;
    bottom: 16px;
    right: 16px;
    z-index: 200;
    display: flex;
    flex-direction: column-reverse;
    gap: 8px;
    pointer-events: none;
}

.toast {
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: toast-in 0.3s ease, toast-out 0.3s ease 3.7s forwards;
    pointer-events: auto;
    max-width: 360px;
}

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

.toast-error {
    background: var(--color-danger);
    color: #fff;
}

.toast-warning {
    background: var(--color-warning);
    color: #fff;
}

.toast-info {
    background: var(--color-primary);
    color: #fff;
}

@keyframes toast-in {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes toast-out {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* --- Schedule Picker --- */
.schedule-picker {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.schedule-picker .form-group {
    flex: 1;
    min-width: 150px;
}

.schedule-tz-info {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 6px;
}

/* --- Review Summary --- */
.review-section {
    margin-bottom: 16px;
    padding: 14px;
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.review-section h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 8px;
}

.review-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
}

.review-row .review-label {
    color: var(--color-text-secondary);
}

.review-row .review-value {
    font-weight: 600;
    color: var(--color-text);
}

.review-warnings {
    margin-top: 12px;
}

.review-confirm {
    margin-top: 16px;
    padding: 14px;
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.review-confirm label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
}

/* --- Radio Buttons --- */
.radio-group {
    display: flex;
    gap: 16px;
    margin-bottom: 14px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
}

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

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

/* --- Responsive --- */
@media (max-width: 600px) {
    .screen { padding: 12px; }

    .wizard-steps { overflow-x: auto; justify-content: flex-start; }
    .wizard-step-label { display: none; }
    .wizard-step-line { width: 24px; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    .filter-rule { flex-direction: column; }
    .filter-rule select,
    .filter-rule input { min-width: 0; }

    .variable-mapping-row { flex-direction: column; }

    .setup-card, .settings-card { margin: 16px auto; padding: 18px; }

    .campaign-list-header { flex-direction: column; align-items: flex-start; gap: 10px; }

    .progress-header { flex-direction: column; align-items: flex-start; }
}

/* --- Login Screen --- */
#login-screen {
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
}

.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px 36px;
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.login-logo {
    text-align: center;
}

.login-logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.login-logo p {
    color: var(--color-text-secondary);
    font-size: 13px;
}

#login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.login-error {
    color: var(--color-danger);
    font-size: 13px;
    min-height: 18px;
    text-align: center;
}

/* --- App Header --- */
.app-header {
    flex-shrink: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 20px;
    height: 48px;
    display: flex;
    align-items: center;
}

.app-header-inner {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-header-title {
    font-weight: 700;
    font-size: 15px;
    color: var(--color-primary);
}

.app-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-header-account {
    font-size: 13px;
    color: var(--color-text-secondary);
}

@media (max-width: 400px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
}