/* ========================================
   Review Site Generator — Styles
   ======================================== */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --bg-input: #1a1a26;
    --border-color: #2a2a3a;
    --border-focus: #6c5ce7;
    --text-primary: #f0f0f5;
    --text-secondary: #9898b0;
    --text-hint: #6868806e;
    --accent-primary: #6c5ce7;
    --accent-secondary: #a29bfe;
    --accent-gradient: linear-gradient(135deg, #6c5ce7 0%, #a855f7 50%, #ec4899 100%);
    --accent-gradient-hover: linear-gradient(135deg, #7d6df0 0%, #b366ff 50%, #f06aa8 100%);
    --success: #00d68f;
    --warning: #ffaa00;
    --danger: #ff6b6b;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* ========== App Container ========== */
.app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px 80px;
    position: relative;
}

/* ========== Header ========== */
.app-header {
    position: relative;
    padding: 48px 0 40px;
    text-align: center;
    overflow: hidden;
}

.header-glow {
    position: absolute;
    top: -60%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    color: white;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(108, 92, 231, 0.6); }
}

.logo h1 {
    font-size: 28px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 400;
}

/* ========== Section Headers ========== */
.section-header {
    margin-bottom: 32px;
}

.section-number {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ========== Form Styles ========== */
.review-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group label svg {
    color: var(--accent-secondary);
    flex-shrink: 0;
}

.label-hint {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 13px;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-input);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-hint);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.12);
    background: var(--bg-secondary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

/* ========== Image Upload ========== */
.image-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: var(--bg-input);
}

.image-upload-area:hover,
.image-upload-area.drag-over {
    border-color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.05);
}

.image-upload-area.drag-over {
    transform: scale(1.01);
}

.upload-placeholder svg {
    color: var(--text-secondary);
    margin-bottom: 12px;
    opacity: 0.6;
}

.upload-placeholder p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 6px;
}

.upload-link {
    color: var(--accent-secondary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.upload-hint {
    color: var(--text-hint);
    font-size: 12px;
}

.image-previews {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
    justify-content: center;
}

.image-previews:empty {
    display: none;
}

.image-preview-item {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border-color);
    animation: fadeScaleIn 0.3s ease;
}

@keyframes fadeScaleIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

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

.image-preview-item .remove-image {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(255, 107, 107, 0.9);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
    line-height: 1;
}

.image-preview-item:hover .remove-image {
    opacity: 1;
}

/* ========== Buttons ========== */
.btn-generate {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 32px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
    margin-top: 8px;
}

.btn-generate:hover {
    background: var(--accent-gradient-hover);
    box-shadow: 0 6px 28px rgba(108, 92, 231, 0.45);
    transform: translateY(-2px);
}

.btn-generate:active {
    transform: translateY(0);
}

.btn-generate.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-generate.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ========== Action Buttons ========== */
.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.btn-action {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-action:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-copy {
    border-color: rgba(108, 92, 231, 0.3);
    color: var(--accent-secondary);
}

.btn-copy:hover {
    background: rgba(108, 92, 231, 0.1);
    border-color: var(--accent-primary);
}

.btn-copy.copied {
    border-color: var(--success);
    color: var(--success);
    background: rgba(0, 214, 143, 0.08);
}

.btn-download {
    border-color: rgba(0, 214, 143, 0.3);
    color: var(--success);
}

.btn-download:hover {
    background: rgba(0, 214, 143, 0.08);
    border-color: var(--success);
}

.btn-vercel {
    border-color: rgba(255, 255, 255, 0.2);
    background: #111;
    color: white;
}

.btn-vercel:hover {
    background: #222;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-edit {
    border-color: rgba(255, 170, 0, 0.3);
    color: var(--warning);
}

.btn-edit:hover {
    background: rgba(255, 170, 0, 0.08);
    border-color: var(--warning);
}

/* ========== Preview Frame ========== */
.preview-frame-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1.5px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.preview-toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 18px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.toolbar-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.toolbar-url {
    flex: 1;
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-input);
    padding: 6px 16px;
    border-radius: 6px;
    font-family: monospace;
}

.preview-frame {
    width: 100%;
    height: 700px;
    border: none;
    background: white;
}

/* ========== Toast ========== */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-card);
    border: 1.5px solid var(--success);
    color: var(--success);
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ========== Modal ========== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 24px;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-card);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-xl);
    max-width: 560px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease;
    max-height: 85vh;
    overflow-y: auto;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px 16px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px 28px 28px;
}

.modal-body > p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.deploy-option {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
}

.deploy-option h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.deploy-option ol {
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.deploy-option li {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.deploy-option code {
    background: rgba(108, 92, 231, 0.15);
    color: var(--accent-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.deploy-option a {
    color: var(--accent-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.deploy-option.highlight {
    border-color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.05);
}

.deploy-option.highlight h4 {
    color: var(--accent-secondary);
}

.deploy-option.highlight p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
}

.btn-deploy-now {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px;
    background: white;
    color: black;
    border: none;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-deploy-now:hover {
    background: #e0e0e0;
    transform: translateY(-1px);
}

.deploy-note {
    font-size: 11px !important;
    color: var(--text-hint) !important;
    margin-top: 10px !important;
    margin-bottom: 0 !important;
}

/* ========== Hidden ========== */
.hidden {
    display: none !important;
}

/* ========== Preview Section Animation ========== */
.preview-section {
    animation: fadeScaleIn 0.5s ease;
}

/* ========== Responsive ========== */
@media (max-width: 600px) {
    .app-container {
        padding: 0 16px 60px;
    }

    .logo h1 {
        font-size: 22px;
    }

    .header-subtitle {
        font-size: 13px;
    }

    .section-header h2 {
        font-size: 20px;
    }

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

    .btn-action {
        width: 100%;
        justify-content: center;
    }

    .image-preview-item {
        width: 80px;
        height: 80px;
    }

    .preview-frame {
        height: 500px;
    }
}