/* ============================================================
 * 画像起点ヤフオクCSV生成システム - メインスタイルシート
 * ============================================================ */

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222632;
    --bg-hover: #2a2e3d;
    --text-primary: #e8eaf0;
    --text-secondary: #9ca3b4;
    --accent: #6c5ce7;
    --accent-hover: #7f70f0;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #e17055;
    --border: #2d3142;
    --sidebar-width: 240px;
    --radius: 10px;
}

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

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

/* ---- Layout ---- */
.app-container { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 10;
}

.sidebar-header { padding: 24px 20px; border-bottom: 1px solid var(--border); }
.sidebar-logo { font-size: 18px; font-weight: 700; color: var(--accent); }

.sidebar-nav { list-style: none; padding: 12px 0; flex: 1; }
.sidebar-nav li a {
    display: block;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.sidebar-nav li a:hover { background: var(--bg-hover); color: var(--text-primary); }
.sidebar-nav li a.active {
    background: var(--bg-hover);
    color: var(--accent);
    border-left-color: var(--accent);
}

.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }
.logout-link { color: var(--text-secondary); text-decoration: none; font-size: 13px; }
.logout-link:hover { color: var(--danger); }

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px 40px;
    min-height: 100vh;
}

/* ---- Page Header ---- */
.page-header { margin-bottom: 32px; }
.page-header h2 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.page-header p { color: var(--text-secondary); font-size: 14px; }

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.9; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ---- Forms ---- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-checkbox { margin-right: 8px; accent-color: var(--accent); }

/* ---- Upload Area ---- */
.upload-dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}
.upload-dropzone:hover, .upload-dropzone.drag-over {
    border-color: var(--accent);
    background: rgba(108, 92, 231, 0.05);
}
.upload-dropzone-icon { font-size: 48px; margin-bottom: 12px; }
.upload-dropzone-text { color: var(--text-secondary); font-size: 14px; }

/* ---- Progress ---- */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
    margin: 12px 0;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--success));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}
.progress-text { font-size: 13px; color: var(--text-secondary); }

/* ---- Image Grid ---- */
.image-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.image-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s;
    position: relative;
}
.image-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.image-card img { width: 100%; height: 140px; object-fit: cover; display: block; }
.image-card-info { padding: 8px 10px; font-size: 12px; color: var(--text-secondary); }
.image-card-actions { padding: 4px 10px 8px; display: flex; gap: 4px; }
.image-card-actions button { font-size: 11px; padding: 4px 8px; }

/* ---- Status Badge ---- */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}
.badge-unlisted { background: rgba(108, 92, 231, 0.15); color: var(--accent); }
.badge-listed { background: rgba(0, 184, 148, 0.15); color: var(--success); }
.badge-sold { background: rgba(253, 203, 110, 0.15); color: var(--warning); }
.badge-deleted { background: rgba(225, 112, 85, 0.15); color: var(--danger); }

/* ---- Stats Row ---- */
.stats-row { display: flex; gap: 16px; margin-bottom: 24px; }
.stat-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
}
.stat-value { font-size: 28px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ---- Table ---- */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
.data-table th { color: var(--text-secondary); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.data-table tr:hover td { background: var(--bg-hover); }

/* ---- Login Page ---- */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}
.login-title { font-size: 22px; font-weight: 700; text-align: center; margin-bottom: 24px; }
.login-error { background: rgba(225, 112, 85, 0.1); border: 1px solid var(--danger); border-radius: 8px; padding: 10px 14px; color: var(--danger); font-size: 13px; margin-bottom: 16px; }

/* ---- Alerts ---- */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; }
.alert-success { background: rgba(0, 184, 148, 0.1); border: 1px solid var(--success); color: var(--success); }
.alert-error { background: rgba(225, 112, 85, 0.1); border: 1px solid var(--danger); color: var(--danger); }
.alert-info { background: rgba(108, 92, 231, 0.1); border: 1px solid var(--accent); color: var(--accent); }

/* ---- Utilities ---- */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.text-center { text-align: center; }
.text-sm { font-size: 13px; }
.text-muted { color: var(--text-secondary); }
.hidden { display: none; }