/* ============================================
   AWS SES Checker - Modern Dark Theme
   ============================================ */

:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #252542;
    --bg-card: linear-gradient(145deg, #1e1e35, #16162b);

    --accent-orange: #FF6B35;
    --accent-orange-glow: rgba(255, 107, 53, 0.3);
    --accent-yellow: #F7931E;
    --accent-green: #00C853;
    --accent-red: #FF5252;
    --accent-blue: #448AFF;

    --text-primary: #ffffff;
    --text-secondary: #a0a0b5;
    --text-muted: #6b6b80;

    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(255, 107, 53, 0.5);

    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px var(--accent-orange-glow);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Background gradient effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(247, 147, 30, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Form Styles */
.check-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 30px;
    box-shadow: var(--shadow-card);
    margin-bottom: 30px;
}

/* Mode Selector */
.mode-selector {
    display: flex;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px;
    margin-bottom: 25px;
}

.mode-btn {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.mode-btn.active {
    background: var(--bg-tertiary);
    color: var(--accent-orange);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.mass-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Inter', monospace;
    transition: var(--transition);
    resize: vertical;
}

.mass-input:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--accent-orange-glow);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 25px;
}

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group label .icon {
    font-size: 1rem;
}

.form-group label .hint {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Inter', monospace;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--accent-orange-glow);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 42px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.6;
    transition: var(--transition);
}

.toggle-password:hover {
    opacity: 1;
}

/* Region Selector */
.region-selector {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 15px;
}

.region-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.region-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 10px;
}

.region-grid::-webkit-scrollbar {
    width: 6px;
}

.region-grid::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.region-grid::-webkit-scrollbar-thumb {
    background: var(--accent-orange);
    border-radius: 3px;
}

.region-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.region-checkbox:hover {
    border-color: var(--accent-orange);
    background: var(--bg-tertiary);
}

.region-checkbox input {
    accent-color: var(--accent-orange);
}

.region-checkbox input:checked+span {
    color: var(--accent-orange);
    font-weight: 500;
}

/* Checkbox Label */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-orange);
}

/* Buttons */
.btn-small {
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-small:hover {
    background: var(--accent-orange);
    color: white;
    border-color: var(--accent-orange);
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn-primary,
.btn-secondary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    color: white;
    box-shadow: 0 4px 15px var(--accent-orange-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--accent-orange-glow);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

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

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

/* Results Section */
.results-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 25px;
    box-shadow: var(--shadow-card);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.results-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.results-actions {
    display: flex;
    gap: 10px;
}

/* Mass Stats */
.mass-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 15px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--accent-orange);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Status Bar */
.status-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.status-bar.loading .spinner {
    display: block;
}

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

/* Identity Card */
.identity-card {
    background: linear-gradient(135deg, rgba(0, 200, 83, 0.1), rgba(68, 138, 255, 0.1));
    border: 1px solid rgba(0, 200, 83, 0.3);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
}

.identity-card h3 {
    margin-bottom: 15px;
    font-size: 1rem;
}

.identity-info p {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.identity-info strong {
    color: var(--text-primary);
}

/* Results List */
.results-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.result-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.result-card:hover {
    border-color: var(--accent-orange);
}

.result-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--bg-secondary);
    cursor: pointer;
}

.result-card-header h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 600;
}

.region-badge {
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.status-badge {
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.healthy {
    background: rgba(0, 200, 83, 0.15);
    color: var(--accent-green);
}

.status-badge.shutdown {
    background: rgba(255, 82, 82, 0.15);
    color: var(--accent-red);
}

.status-badge.error {
    background: rgba(255, 82, 82, 0.15);
    color: var(--accent-red);
}

.status-badge.sandbox {
    background: rgba(247, 147, 30, 0.15);
    color: var(--accent-yellow);
}

.result-card-body {
    padding: 20px;
    display: none;
}

.result-card.expanded .result-card-body {
    display: block;
}

.result-section {
    margin-bottom: 15px;
}

.result-section:last-child {
    margin-bottom: 0;
}

.result-section h5 {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quota-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.quota-item {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.quota-item .value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-orange);
}

.quota-item .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.identity-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.identity-tag {
    padding: 6px 12px;
    background: rgba(68, 138, 255, 0.15);
    color: var(--accent-blue);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: monospace;
}

.smtp-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    padding: 15px;
    font-family: monospace;
    font-size: 0.85rem;
}

.smtp-info p {
    margin-bottom: 6px;
    display: flex;
    gap: 10px;
}

.smtp-info .label {
    color: var(--text-muted);
    min-width: 100px;
}

.smtp-info .value {
    color: var(--accent-orange);
    word-break: break-all;
}

.email-results {
    margin-top: 10px;
}

.email-result {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: 5px;
    font-size: 0.85rem;
}

.email-result.success {
    border-left: 3px solid var(--accent-green);
}

.email-result.failed {
    border-left: 3px solid var(--accent-red);
}

/* Error Card */
.error-card {
    background: rgba(255, 82, 82, 0.1);
    border: 1px solid rgba(255, 82, 82, 0.3);
    border-radius: var(--radius-md);
    padding: 20px;
    color: var(--accent-red);
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .quota-grid {
        grid-template-columns: 1fr;
    }

    .results-header {
        flex-direction: column;
        gap: 15px;
    }
}

/* High Limit Identity Send Styles */
.high-limit-section {
    background: rgba(247, 147, 30, 0.05);
    /* Orange tint */
    border: 1px solid rgba(247, 147, 30, 0.2);
    border-radius: var(--radius-md);
    padding: 15px;
    margin-top: 15px;
}

.high-limit-badge {
    background: var(--accent-orange);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
}

.identity-send-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.identity-send-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.identity-from {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--accent-orange);
    background: rgba(255, 107, 53, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

.identity-arrow {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.identity-to-input {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    color: var(--text-primary);
    font-family: monospace;
    font-size: 0.9rem;
    width: 200px;
}

.identity-to-input:focus {
    outline: none;
    border-color: var(--accent-orange);
}

.btn-send-identity {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
}

.btn-send-identity:hover:not(:disabled) {
    background: var(--accent-orange);
    color: white;
    border-color: var(--accent-orange);
}

.btn-send-identity:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-send-identity.success {
    background: rgba(0, 200, 83, 0.2);
    color: var(--accent-green);
    border-color: var(--accent-green);
}

.btn-send-identity.error {
    background: rgba(255, 82, 82, 0.2);
    color: var(--accent-red);
    border-color: var(--accent-red);
}

.send-result {
    width: 100%;
    margin-top: 8px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.send-result.success {
    background: rgba(0, 200, 83, 0.1);
    color: var(--accent-green);
}

.send-result.error {
    background: rgba(255, 82, 82, 0.1);
    color: var(--accent-red);
}

/* ============================================
   Letter Editor Panel
   ============================================ */

.letter-editor-wrapper {
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.letter-editor {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.letter-editor-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.letter-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.letter-field label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.letter-field label .hint {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.letter-field input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.letter-field input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--accent-orange-glow);
}

.letter-field input[type="text"]::placeholder {
    color: var(--text-muted);
}

.html-editor-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.html-editor-toolbar .hint {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.letter-field textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: #c5e478;
    font-size: 0.85rem;
    font-family: 'Courier New', Consolas, monospace;
    line-height: 1.6;
    resize: vertical;
    min-height: 200px;
    transition: var(--transition);
    tab-size: 2;
}

.letter-field textarea:focus {
    outline: none;
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--accent-orange-glow);
}

.letter-field textarea::placeholder {
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
}

.preview-container {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    min-height: 200px;
    max-height: 400px;
    position: relative;
}

.preview-container iframe {
    width: 100%;
    height: 350px;
    border: none;
    background: #ffffff;
}

@media (max-width: 768px) {
    .letter-editor-grid {
        grid-template-columns: 1fr;
    }
}