/* ========================================
   Sheet Music Harmony Analyzer - Music Theme
   ======================================== */

/* Reset theme wrappers */
.smha-page .content-wrap,
.smha-page .container,
.smha-page .entry-content,
.smha-page .post-content,
.smha-page .page-content,
.smha-page .zibll-container,
.smha-page .main-content {
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
}

/* Page wrapper */
.smha-page {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #c9a96e;
    --accent-light: #e8d5b0;
    --accent-glow: rgba(201, 169, 110, 0.15);
    --surface: #ffffff;
    --surface-alt: #f8f6f3;
    --text: #1a1a2e;
    --text-muted: #6b7280;
    --border: #e8e4df;
    --radius: 16px;
    --shadow: 0 4px 24px rgba(26, 26, 46, 0.08);
    --shadow-lg: 0 12px 48px rgba(26, 26, 46, 0.12);

    min-height: 100vh;
    background: var(--surface-alt);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

.smha-page *, .smha-page *::before, .smha-page *::after { box-sizing: border-box; }

/* Navigation bar */
.smha-nav {
    background: var(--primary);
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.smha-nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
}

.smha-nav-brand svg {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.smha-nav-brand span {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.smha-nav-links {
    display: flex;
    gap: 4px;
}

.smha-nav-link {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.smha-nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.smha-nav-link.active {
    color: var(--accent);
    background: rgba(201, 169, 110, 0.12);
}

/* Main content */
.smha-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

/* Upload area */
.smha-upload-area {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 64px 48px;
    text-align: center;
    border: 2px dashed var(--border);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.smha-upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
}

.smha-upload-area:hover,
.smha-upload-area.dragover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg), 0 0 0 4px var(--accent-glow);
}

.smha-upload-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--accent-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.smha-upload-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text);
}

.smha-upload-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 32px;
}

.smha-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.smha-upload-btn:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(26, 26, 46, 0.2);
}

.smha-upload-hint {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.smha-file-input {
    display: none;
}

/* Preview area */
.smha-preview-area {
    display: none;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.smha-preview-area.visible {
    display: block;
}

.smha-preview-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.smha-preview-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.smha-preview-actions {
    display: flex;
    gap: 8px;
}

.smha-btn {
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.smha-btn-primary {
    background: var(--accent);
    color: var(--primary);
}

.smha-btn-primary:hover {
    background: var(--accent-light);
}

.smha-btn-secondary {
    background: var(--surface-alt);
    color: var(--text);
    border: 1px solid var(--border);
}

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

.smha-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.smha-preview-image {
    padding: 24px;
    text-align: center;
}

.smha-preview-image img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

/* Progress area */
.smha-progress-area {
    display: none;
    padding: 40px 24px;
    text-align: center;
}

.smha-progress-area.visible {
    display: block;
}

.smha-progress-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: smha-spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

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

.smha-progress-text {
    font-size: 15px;
    color: var(--text-muted);
    margin: 0 0 16px;
}

.smha-progress-stages {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.smha-stage-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    transition: all 0.3s;
}

.smha-stage-dot.active {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.smha-stage-dot.done {
    background: #22c55e;
}

/* Result area */
.smha-result-area {
    display: none;
}

.smha-result-area.visible {
    display: block;
}

.smha-result-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 24px;
}

.smha-result-header {
    padding: 20px 24px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.smha-result-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.smha-result-body {
    padding: 24px;
}

.smha-result-canvas-wrap {
    position: relative;
    text-align: center;
    overflow: auto;
}

.smha-result-canvas-wrap canvas {
    max-width: 100%;
    border-radius: 8px;
}

/* Analysis panel */
.smha-analysis-panel {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.smha-analysis-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
}

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

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

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

.smha-analysis-content {
    padding: 24px;
}

.smha-analysis-content pre {
    background: var(--surface-alt);
    border-radius: 8px;
    padding: 16px;
    font-size: 13px;
    line-height: 1.6;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Footer */
.smha-footer {
    text-align: center;
    padding: 32px 24px;
    color: var(--text-muted);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .smha-nav {
        padding: 0 16px;
    }
    .smha-nav-brand span {
        font-size: 15px;
    }
    .smha-nav-link {
        padding: 6px 12px;
        font-size: 13px;
    }
    .smha-main {
        padding: 24px 16px 60px;
    }
    .smha-upload-area {
        padding: 40px 24px;
    }
    .smha-upload-title {
        font-size: 20px;
    }
}