/**
 * AI Gemini Image Generator - Generator Styles
 */

:root {
    --ai-primary: #6366f1;
    --ai-primary-hover: #4f46e5;
    --ai-secondary: #8b5cf6;
    --ai-success: #22c55e;
    --ai-error: #ef4444;
    --ai-warning: #f59e0b;
    --ai-bg: #f8fafc;
    --ai-card: #ffffff;
    --ai-border: #e2e8f0;
    --ai-text: #1e293b;
    --ai-text-muted: #64748b;
    --ai-radius: 12px;
    --ai-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

/* Generator Container */
.ai-gemini-generator {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

/* Credits Bar */
.gemini-credits-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
    color: white;
    padding: 16px 24px;
    border-radius: var(--ai-radius);
    margin-bottom: 24px;
}

.credits-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.credits-value {
    font-size: 24px;
    font-weight: 700;
}

.free-trial-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.btn-buy-credits {
    background: white;
    color: var(--ai-primary);
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-buy-credits:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Generator Form */
.gemini-generator-form {
    background: var(--ai-card);
    border-radius: var(--ai-radius);
    padding: 32px;
    box-shadow: var(--ai-shadow);
}

/* Upload Section */
.upload-area {
    position: relative;
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
}
.upload-preview {
    display: none; /* JS bật lên */
}
.upload-area:hover,
.upload-area.dragover {
    border-color: var(--ai-primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-placeholder svg {
    color: var(--ai-text-muted);
    margin-bottom: 16px;
}

.upload-placeholder p {
    font-size: 18px;
    color: var(--ai-text);
    margin: 0 0 8px;
}

.upload-hint {
    font-size: 14px;
    color: var(--ai-text-muted);
}

.upload-preview {
    position: relative;
    display: inline-block;
}

.upload-preview img,
.preview-image {
    max-width: 100%;
    max-height: 380px; /* hoặc 400–450 tùy layout của bạn */
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.remove-image {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ai-error);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Style Section */
.style-section {
    margin-top: 24px;
}

.style-section label {
    display: block;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--ai-text);
}

.style-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

.style-option {
    padding: 12px 16px;
    border: 2px solid var(--ai-border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.style-option:hover {
    border-color: var(--ai-primary);
}

.style-option.active {
    border-color: var(--ai-primary);
    background: rgba(99, 102, 241, 0.1);
}

.style-name {
    font-size: 14px;
    font-weight: 500;
}

/* Prompt Section */
.prompt-section {
    margin-top: 24px;
}

.prompt-section label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--ai-text);
}

.prompt-section textarea {
    width: 100%;
    min-height: 80px;
    padding: 12px;
    border: 2px solid var(--ai-border);
    border-radius: 8px;
    font-size: 14px;
    resize: vertical;
}

.prompt-section textarea:focus {
    outline: none;
    border-color: var(--ai-primary);
}

/* Action Section */
.action-section {
    margin-top: 32px;
    text-align: center;
}

.btn-generate {
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
    color: white;
    border: none;
    padding: 16px 48px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-generate:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-loading {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.cost-info {
    margin-top: 12px;
    font-size: 14px;
    color: var(--ai-text-muted);
}

/* Result Section */
.gemini-result {
    background: var(--ai-card);
    border-radius: var(--ai-radius);
    padding: 32px;
    margin-top: 24px;
    box-shadow: var(--ai-shadow);
}

.result-header h3 {
    margin: 0 0 20px;
    color: var(--ai-text);
}

.result-image {
    position: relative;
    text-align: center;
}

.result-image img {
    max-width: 100%;
    border-radius: 8px;
}

.watermark-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
    padding: 12px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 8px;
    color: var(--ai-warning);
    font-size: 14px;
}

.result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

.btn-unlock {
    background: linear-gradient(135deg, var(--ai-success), #16a34a);
    color: white;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-unlock:hover {
    transform: translateY(-2px);
}

.btn-regenerate {
    background: var(--ai-bg);
    color: var(--ai-text);
    border: 2px solid var(--ai-border);
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.btn-regenerate:hover {
    border-color: var(--ai-primary);
}

/* Unlocked Section */
.gemini-unlocked {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(22, 163, 74, 0.05));
    border: 2px solid var(--ai-success);
    border-radius: var(--ai-radius);
    padding: 32px;
    margin-top: 24px;
    text-align: center;
}

.unlocked-header h3 {
    margin: 0 0 20px;
    font-size: 24px;
    color: var(--ai-success);
}

.unlocked-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: var(--ai-shadow);
}

.unlocked-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

.btn-download {
    background: var(--ai-primary);
    color: white;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s;
}

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

.btn-new {
    background: var(--ai-bg);
    color: var(--ai-text);
    border: 2px solid var(--ai-border);
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
}

/* Error Section */
.gemini-error {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--ai-error);
    border-radius: var(--ai-radius);
    padding: 24px;
    margin-top: 24px;
    text-align: center;
}

.gemini-error p {
    color: var(--ai-error);
    margin: 0 0 16px;
}

.btn-retry {
    background: var(--ai-error);
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
}

/* Dashboard Styles */
.ai-gemini-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

.dashboard-header {
    text-align: center;
    margin-bottom: 32px;
}

.dashboard-header h2 {
    color: var(--ai-text);
    margin: 0;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--ai-card);
    border-radius: var(--ai-radius);
    padding: 24px;
    box-shadow: var(--ai-shadow);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    font-size: 32px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--ai-primary);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--ai-text-muted);
}

.dashboard-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 32px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--ai-primary), var(--ai-secondary));
    color: white;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    color: white;
}

.btn-secondary {
    background: var(--ai-bg);
    color: var(--ai-text);
    border: 2px solid var(--ai-border);
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--ai-primary);
}

/* Image Gallery */
.dashboard-history h3,
.dashboard-transactions h3 {
    color: var(--ai-text);
    margin: 0 0 20px;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.gallery-item {
    background: var(--ai-card);
    border-radius: var(--ai-radius);
    overflow: hidden;
    box-shadow: var(--ai-shadow);
}

.gallery-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.locked-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lock-icon {
    font-size: 32px;
}

.gallery-info {
    padding: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.gallery-style {
    background: var(--ai-bg);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.gallery-date {
    font-size: 12px;
    color: var(--ai-text-muted);
}

.unlocked-badge {
    background: var(--ai-success);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.gallery-item .btn-download {
    display: block;
    text-align: center;
    padding: 10px;
    font-size: 14px;
}

/* Transactions Table */
.dashboard-transactions {
    margin-top: 40px;
}

.transactions-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--ai-card);
    border-radius: var(--ai-radius);
    overflow: hidden;
    box-shadow: var(--ai-shadow);
}

.transactions-table th,
.transactions-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--ai-border);
}

.transactions-table th {
    background: var(--ai-bg);
    font-weight: 600;
    color: var(--ai-text);
}

.transaction-type {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    background: var(--ai-bg);
}

.transactions-table .positive {
    color: var(--ai-success);
    font-weight: 600;
}

.transactions-table .negative {
    color: var(--ai-error);
    font-weight: 600;
}

.no-history,
.no-transactions {
    text-align: center;
    padding: 40px;
    color: var(--ai-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .gemini-credits-bar {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .result-actions,
    .unlocked-actions,
    .dashboard-actions {
        flex-direction: column;
    }
    
    .style-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .transactions-table {
        font-size: 14px;
    }
    
    .transactions-table th:last-child,
    .transactions-table td:last-child {
        display: none;
    }
}
/* Account tabs wrapper */
.ai-gemini-account-tabs-wrap {
  max-width: 480px;
  margin: 30px auto;
  padding: 24px 20px 28px;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.07);
  box-sizing: border-box;
}

/* Tab buttons */
.ai-gemini-account-tabs {
  display: flex;
  border-radius: 999px;
  background: #f3f4f6;
  padding: 3px;
  margin-bottom: 20px;
}

.ai-gemini-tab-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: #4b5563;
  transition: all 0.2s ease;
}

.ai-gemini-tab-btn.is-active {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

/* Tab panels */
.ai-gemini-tab-panels {
  margin-top: 10px;
}

.ai-gemini-tab-panel {
  display: none;
}

.ai-gemini-tab-panel.is-active {
  display: block;
}

/* Forms */
.ai-gemini-form {
  margin-top: 10px;
}

.ai-gemini-form-row {
  margin-bottom: 14px;
}

.ai-gemini-form-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
  color: #111827;
}

.ai-gemini-form-row input[type="text"],
.ai-gemini-form-row input[type="email"],
.ai-gemini-form-row input[type="password"] {
  width: 100%;
  max-width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  font-size: 13px;
  box-sizing: border-box;
}

.ai-gemini-form-row input:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 1px #2563eb1a;
}

.ai-gemini-form-row-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
}

.ai-gemini-link-right {
  margin-left: auto;
  font-size: 12px;
}

/* Notices */
.ai-gemini-auth-notice {
  margin-bottom: 12px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
}

.ai-gemini-auth-notice-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
}

.ai-gemini-auth-notice-success {
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
  color: #166534;
}