/* ==========================================
   AppleID 共享站 - 主要樣式
   ========================================== */

:root {
    --primary: #007aff;
    --primary-dark: #005bb5;
    --danger: #ff3b30;
    --success: #34c759;
    --warning: #ff9500;
    --bg: #f5f5f7;
    --card-bg: #ffffff;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --border: #d2d2d7;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #1d1d1f 0%, #2d2d2f 100%);
    color: #fff;
    padding: 24px 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.header .subtitle {
    font-size: 0.9rem;
    color: #a1a1a6;
    margin-top: 4px;
}

/* Ad Banner */
.ad-banner {
    margin: 16px 0;
    text-align: center;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-banner img {
    max-width: 100%;
    height: auto;
    max-height: 120px;
    border-radius: var(--radius);
    cursor: pointer;
}

.ad-banner a {
    display: inline-block;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: 12px;
    margin: 16px 0;
    flex-wrap: wrap;
}

.stat-item {
    flex: 1;
    min-width: 120px;
    background: var(--card-bg);
    padding: 12px 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-item .number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-item .label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Region Filter */
.filter-bar {
    display: flex;
    gap: 8px;
    margin: 16px 0;
    flex-wrap: wrap;
    align-items: center;
}

.filter-btn {
    padding: 6px 16px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--card-bg);
    color: var(--text);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

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

.filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* Account Cards */
.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.account-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.account-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.account-card .region-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #e8f4fd;
    color: var(--primary);
}

.account-card .account-info {
    margin-bottom: 12px;
}

.account-card .account-info .field {
    margin-bottom: 8px;
}

.account-card .account-info .field-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.account-card .account-info .field-value {
    font-size: 0.95rem;
    font-weight: 500;
    word-break: break-all;
}

.account-card .field-value.masked {
    color: var(--text-secondary);
    font-style: italic;
}

.account-card .status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.account-card .status-dot.online {
    background: var(--success);
}

.account-card .status-dot.warning {
    background: var(--warning);
}

.account-card .status-dot.offline {
    background: var(--danger);
}

.account-card .remark {
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 8px;
    background: #f9f9f9;
    border-radius: 6px;
    margin-bottom: 12px;
}

.unlock-btn {
    width: 100%;
    padding: 10px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.unlock-btn:hover {
    background: var(--primary-dark);
}

.unlock-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* 已解鎖狀態 */
.account-card.unlocked {
    border: 2px solid var(--success);
}

.account-card.unlocked .field-value.revealed {
    color: var(--success);
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.copy-btn {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.75rem;
    background: #f0f0f0;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    margin-left: 8px;
}

.copy-btn:hover {
    background: #e0e0e0;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--card-bg);
    border-radius: var(--radius);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal h3 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    text-align: center;
}

/* Warning Box */
.warning-box {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.warning-box h4 {
    color: var(--danger);
    margin-bottom: 8px;
    font-size: 1rem;
}

.warning-box p, .warning-box li {
    font-size: 0.85rem;
    color: #856404;
    margin-bottom: 4px;
}

.warning-box .highlight {
    color: var(--danger);
    font-weight: 700;
}

.warning-box .disclaimer {
    font-size: 0.8rem;
    color: #666;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed #ffc107;
}

/* Captcha */
.captcha-section {
    text-align: center;
    margin: 16px 0;
}

.captcha-section img {
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 8px;
}

.captcha-section .refresh-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.captcha-input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    text-align: center;
    margin-top: 8px;
}

.captcha-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

/* Modal Buttons */
.modal-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.modal-actions button {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn-confirm {
    background: var(--primary);
    color: #fff;
}

.btn-confirm:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.btn-cancel {
    background: #f0f0f0;
    color: var(--text);
}

.countdown-text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--danger);
    font-weight: 600;
    margin-top: 8px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 24px;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
}

.loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

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

/* Toast */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #333;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    z-index: 2000;
    transition: transform 0.3s;
    white-space: nowrap;
}

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

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.4rem;
    }

    .accounts-grid {
        grid-template-columns: 1fr;
    }

    .stats-bar {
        gap: 8px;
    }

    .stat-item {
        min-width: 80px;
        padding: 8px 12px;
    }

    .stat-item .number {
        font-size: 1.2rem;
    }

    .modal {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .header {
        padding: 16px 0;
    }

    .header h1 {
        font-size: 1.2rem;
    }

    .account-card {
        padding: 16px;
    }

    .filter-bar {
        gap: 6px;
    }

    .filter-btn {
        padding: 4px 12px;
        font-size: 0.8rem;
    }
}