/* ============================================
 * S3 Migration Tool - Minimalist UI
 * ============================================ */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-hover: #f0f0f0;
    --border: #e1e4e8;
    --text-primary: #24292e;
    --text-secondary: #586069;
    --text-muted: #959da5;
    --accent: #0366d6;
    --accent-hover: #0256c7;
    --success: #28a745;
    --warning: #ffa500;
    --danger: #d73a49;
    --shadow: rgba(0, 0, 0, 0.05);
}

/* Dark Mode */
body.dark-mode {
    --bg-primary: #2b2d31;
    --bg-secondary: #1e1f22;
    --bg-hover: #35373c;
    --border: #3f4147;
    --text-primary: #f2f3f5;
    --text-secondary: #b5bac1;
    --text-muted: #80848e;
    --accent: #5865f2;
    --accent-hover: #7289da;
    --success: #3ba55d;
    --warning: #faa81a;
    --danger: #ed4245;
    --shadow: rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

/* Theme Toggle */
.theme-toggle {
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.theme-toggle:hover {
    background: var(--bg-hover);
}

.theme-icon {
    font-size: 18px;
}

h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

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

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

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

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    line-height: 20px;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    transition: border 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus {
    border-color: var(--accent);
}

input[type="checkbox"] {
    margin-right: 8px;
}

/* Buttons */
button, .btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    color: var(--bg-primary);
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
}

button:hover, .btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border);
}

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

.btn-danger:hover {
    background: #cb2431;
    border-color: #cb2431;
}

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

/* Cards */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 16px;
}

/* Migration Form */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Minimalist filter bar */
.filter-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
}

.filter-bar input,
.filter-bar select {
    padding: 6px 10px;
    font-size: 13px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
    transition: border 0.2s;
}

.filter-bar input:focus,
.filter-bar select:focus {
    border-color: var(--accent);
}

.filter-bar input[type="date"] {
    min-width: 140px;
}

.filter-bar select {
    min-width: 100px;
}

/* Ensure all credential input boxes are consistent */
#sourceS3Credentials,
#destCredentialsRow {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

#sourceS3Credentials .form-group,
#destCredentialsRow .form-group {
    width: 100%;
    margin-bottom: 20px;
}

#sourceS3Credentials .form-group input,
#destCredentialsRow .form-group input {
    width: 100%;
    box-sizing: border-box;
    padding: 8px 12px;
    font-size: 14px;
    line-height: 20px;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    transition: border 0.2s;
    margin: 0;
}

#sourceS3Credentials .form-group input:focus,
#destCredentialsRow .form-group input:focus {
    border-color: var(--accent);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* Tasks List */
.tasks-container {
    display: grid;
    gap: 12px;
}

.task-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-left: 3px solid var(--text-muted);
    border-radius: 6px;
    padding: 16px;
    transition: box-shadow 0.2s;
}

.task-card:hover {
    box-shadow: 0 1px 3px var(--shadow);
}

.task-card.running {
    border-left-color: var(--accent);
}

.task-card.completed {
    border-left-color: var(--success);
}

.task-card.failed {
    border-left-color: var(--danger);
}

/* Task Header */
.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    gap: 12px;
}

.task-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.mode-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 12px;
}

.mode-badge.dry-run {
    background: #e1f0ff;
    color: var(--accent);
}

.mode-badge.incremental {
    background: #dcffe4;
    color: var(--success);
}

body.dark-mode .mode-badge.dry-run {
    background: rgba(88, 101, 242, 0.15);
    color: #7289da;
    border: 1px solid rgba(88, 101, 242, 0.3);
}

body.dark-mode .mode-badge.incremental {
    background: rgba(59, 165, 93, 0.15);
    color: #3ba55d;
    border: 1px solid rgba(59, 165, 93, 0.3);
}

.task-id {
    font-size: 13px;
    font-family: 'Monaco', 'Menlo', monospace;
    color: var(--text-secondary);
}

.task-status {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.task-status.running {
    background: #e1f0ff;
    color: var(--accent);
}

.task-status.completed {
    background: #dcffe4;
    color: var(--success);
}

.task-status.failed {
    background: #ffeef0;
    color: var(--danger);
}

/* Progress Bar */
.progress-bar {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
    margin: 12px 0;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    transition: width 0.3s ease;
}

.progress-fill.completed {
    background: var(--success);
}

/* Task Details */
.task-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.detail-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Error Section */
.error-section {
    margin-top: 12px;
    padding: 12px;
    background: #ffeef0;
    border: 1px solid #ffd6d9;
    border-radius: 6px;
}

.error-section h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--danger);
    margin-bottom: 8px;
}

.error-list {
    list-style: none;
}

.error-item {
    padding: 8px 0;
    border-bottom: 1px solid #ffd6d9;
}

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

.error-message {
    font-size: 12px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.error-hint {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Dry Run Section */
.dryrun-section {
    margin-top: 12px;
    padding: 12px;
    background: #e1f0ff;
    border: 1px solid #c8e1ff;
    border-radius: 6px;
}

.dryrun-section h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
}

.dryrun-section ul {
    list-style: none;
    font-size: 12px;
    color: var(--text-primary);
}

.dryrun-section li {
    padding: 4px 0;
}

/* Task Actions */
.task-actions {
    margin-top: 12px;
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.task-failed-note {
    font-size: 12px;
    color: var(--warning);
    padding: 8px 12px;
    background: rgba(255, 165, 0, 0.1);
    border-radius: 4px;
    border: 1px solid rgba(255, 165, 0, 0.3);
    display: block;
    text-align: center;
}

/* Schedules */
.schedule-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 12px;
}

.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.schedule-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.schedule-status {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 12px;
}

.schedule-status.enabled {
    background: #dcffe4;
    color: var(--success);
}

.schedule-status.disabled {
    background: var(--bg-secondary);
    color: var(--text-muted);
}

/* Form Sections */
.form-section {
    margin-bottom: 32px;
}

/* Fix region dropdown sizing */
#sourceRegionGroup,
#destRegionGroup {
    display: flex;
    flex-direction: column;
}

#sourceRegionGroup select,
#destRegionGroup select,
#sourceRegionGroup input,
#destRegionGroup input {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    line-height: 20px;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    transition: border 0.2s;
    box-sizing: border-box;
}

#sourceRegionGroup select:focus,
#destRegionGroup select:focus,
#sourceRegionGroup input:focus,
#destRegionGroup input:focus {
    border-color: var(--accent);
}

.form-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* Option Cards */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.schedule-type-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option-card {
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: all 0.2s;
}

.option-card.warning-option {
    border-color: var(--warning);
    background: rgba(255, 165, 0, 0.05);
}

.option-card.warning-option:has(input:checked) {
    border-color: var(--warning);
    background: rgba(255, 165, 0, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 165, 0, 0.1);
}

.option-card.safe-option:has(input:checked) {
    border-color: var(--success);
    background: rgba(40, 167, 69, 0.05);
}

.option-card:has(input:checked) {
    border-color: var(--accent);
    background: var(--bg-hover);
}

.option-card:hover {
    border-color: var(--text-muted);
}

.option-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    cursor: pointer;
}

.option-label input[type="radio"],
.option-label input[type="checkbox"] {
    margin-top: 2px;
}

.option-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.option-content strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.option-content span {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Tasks Header */
.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.tasks-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Utility Classes */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 14px;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 20px 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .task-details {
        grid-template-columns: 1fr;
    }
}