/* ============================================
   证件照生成网站 - 黑白简约风格
   ============================================ */

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: #fafafa;
    color: #222;
    line-height: 1.6;
}

a { color: #000; text-decoration: none; }
a:hover { color: #666; }
img { max-width: 100%; height: auto; }

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: #000;
    letter-spacing: -.5px;
}

.logo:hover { color: #000; }

.nav {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.nav a {
    color: #555;
    padding: 4px 0;
    border-bottom: 1px solid transparent;
    transition: all .2s;
}

.nav a:hover { color: #000; border-bottom-color: #000; }
.nav-user { color: #888; font-size: 13px; }

/* Hero */
.hero {
    text-align: center;
    padding: 30px 0 40px;
}

.hero h1 {
    font-size: 32px;
    font-weight: 700;
    color: #000;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.hero p {
    font-size: 15px;
    color: #888;
    max-width: 400px;
    margin: 0 auto;
}

/* Upload Area */
.upload-area {
    margin-bottom: 40px;
}

.upload-box {
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: all .25s;
    background: #fff;
}

.upload-box:hover {
    border-color: #000;
    background: #fafafa;
}

.upload-box svg { margin-bottom: 12px; }
.upload-box p { font-size: 16px; color: #444; margin-bottom: 4px; }
.upload-hint { font-size: 13px; color: #aaa; }
.upload-box.dragover { border-color: #000; background: #f5f5f5; }

/* Editor Layout */
.editor-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.preview-area {
    flex: 1;
    min-width: 0;
}

.preview-frame {
    background: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    overflow: hidden;
    position: relative;
}

.preview-frame canvas {
    max-width: 100%;
    max-height: 500px;
    display: block;
}

.preview-info {
    text-align: center;
    padding: 10px;
    font-size: 13px;
    color: #888;
}

.editor-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.editor-section {
    margin-bottom: 24px;
}

.editor-section h3 {
    font-size: 13px;
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 10px;
}

/* Type Grid */
.type-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.type-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
}

.type-card:hover { border-color: #aaa; }
.type-card.active { border-color: #000; background: #fafafa; }

.type-card strong { display: block; font-size: 14px; color: #222; }
.type-card span { display: block; font-size: 12px; color: #888; margin-top: 2px; }
.type-card small { display: block; font-size: 11px; color: #aaa; margin-top: 1px; }

/* Color Grid */
.color-grid {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: all .2s;
    position: relative;
}

.color-swatch:hover { transform: scale(1.1); }
.color-swatch.active { box-shadow: 0 0 0 2px #fff, 0 0 0 4px #000; transform: scale(1.1); }

.color-picker-swatch {
    background: #f5f5f5;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #888;
}

.color-picker-swatch:hover { border-color: #000; }

.color-hex-input {
    display: flex;
    align-items: center;
    gap: 4px;
}

.color-hex-input span { font-size: 14px; color: #888; font-weight: 600; }

.color-hex-input input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: monospace;
    text-transform: uppercase;
}

.color-hex-input input:focus { outline: none; border-color: #000; }

/* Format Select */
.format-select {
    display: flex;
    gap: 16px;
}

.format-select label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: #555;
    cursor: pointer;
}

/* Button Generate */
.btn-generate {
    width: 100%;
    padding: 12px;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-generate:hover { background: #333; }
.btn-generate:disabled { background: #ccc; cursor: not-allowed; }
.btn-generate.loading { opacity: .7; pointer-events: none; }

/* Result */
.result-box {
    text-align: center;
    padding: 20px 0;
}

.result-box h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

.result-image-wrap {
    display: inline-block;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 10px;
    background: #fafafa;
    margin-bottom: 16px;
}

.result-image-wrap img {
    max-width: 280px;
    max-height: 380px;
}

.result-info {
    font-size: 14px;
    color: #888;
    margin-bottom: 20px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    border: none;
}

.btn-primary {
    background: #000;
    color: #fff;
}

.btn-primary:hover { background: #333; color: #fff; }

.btn-outline {
    background: transparent;
    color: #000;
    border: 1px solid #ddd;
}

.btn-outline:hover { border-color: #000; background: #fafafa; }

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
    border-top: 1px solid #eee;
    font-size: 13px;
    color: #aaa;
}

/* Responsive */
@media (max-width: 768px) {
    .editor-layout { flex-direction: column; }
    .editor-sidebar { width: 100%; }
    .preview-frame { min-height: 280px; }
    .hero h1 { font-size: 26px; }
    .nav { gap: 10px; }
    .nav a { font-size: 13px; }
}



/* ============================================
   Form Styles (共用表单样式)
   ============================================ */
.form-box {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 30px;
}

.form-box h1 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    margin-bottom: 4px;
}

.form-group input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border .2s;
    box-sizing: border-box;
}

.form-group input:focus {
    border-color: #000;
}

.btn-full {
    width: 100%;
    justify-content: center;
    margin-top: 4px;
}

.form-footer {
    text-align: center;
    margin-top: 12px;
    font-size: 13px;
}

.form-footer a {
    color: #888;
}

.form-footer a:hover {
    color: #000;
}

.form-error {
    color: #c00;
    font-size: 13px;
    margin-bottom: 12px;
    text-align: center;
}

@media (max-width: 480px) {
    .type-grid { grid-template-columns: 1fr 1fr; }
    .container { padding: 0 12px; }
    .upload-box { padding: 40px 16px; }
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .6s linear infinite;
}

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