/* ==========================================================================
   POSQA - Common Styles
   ========================================================================== */

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

:root {
    --color-primary: #4A90D9;
    --color-primary-dark: #3a7bc8;
    --color-primary-light: #e8f0fe;
    --color-success: #43a047;
    --color-warning: #f9a825;
    --color-danger: #e53935;
    --color-text: #222;
    --color-text-secondary: #666;
    --color-text-light: #999;
    --color-bg: #f5f5f5;
    --color-white: #fff;
    --color-border: #e0e0e0;
    --color-border-light: #f0f0f0;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 2px 12px rgba(0,0,0,0.08);
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', monospace;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: var(--color-primary-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.4;
    gap: 6px;
}
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
}
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.btn-success {
    background: var(--color-success);
    color: var(--color-white);
}
.btn-warning {
    background: var(--color-warning);
    color: #333;
}
.btn-danger {
    background: var(--color-danger);
    color: var(--color-white);
}
.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}
.btn-xs {
    padding: 4px 10px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.5;
}
.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}
.alert-error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
}
.alert-info {
    background: var(--color-primary-light);
    color: #1565c0;
    border: 1px solid #bbdefb;
}

/* Forms */
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 14px;
    color: #333;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: var(--font-family);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--color-white);
    color: var(--color-text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74,144,217,0.12);
}
.form-group textarea {
    resize: vertical;
    min-height: 80px;
}
.form-group input[type="file"] {
    font-size: 14px;
    padding: 8px 0;
}
.form-hint {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: 4px;
    line-height: 1.4;
}
.form-row {
    margin-bottom: 0;
}
.form-row-half {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 600px) {
    .form-row-half {
        grid-template-columns: 1fr;
        gap: 0;
    }
}
.form-section {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border-light);
}
.form-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text);
}
.form-section h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    margin-top: 12px;
    color: var(--color-text-secondary);
}
.form-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    padding-top: 16px;
    flex-wrap: wrap;
}
.form-check {
    margin-bottom: 16px;
}
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
}
.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.checkbox-list .checkbox-label {
    padding: 10px 14px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: background 0.15s;
}
.checkbox-list .checkbox-label:hover {
    background: var(--color-primary-light);
}
.checkbox-sub {
    display: block;
    font-size: 12px;
    color: var(--color-text-light);
}
.inline-check {
    display: inline-flex;
    align-items: center;
}
.code-textarea {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.5;
    tab-size: 4;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.status-active {
    background: #e8f5e9;
    color: #2e7d32;
}
.status-inactive {
    background: #fff3e0;
    color: #e65100;
}
.status-deleted {
    background: #ffebee;
    color: #c62828;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table thead th {
    background: var(--color-bg);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}
.data-table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: middle;
}
.data-table tbody tr:hover {
    background: #fafbfc;
}
.data-table tbody tr.row-deleted {
    opacity: 0.5;
    background: #fafafa;
}
.actions-cell {
    white-space: nowrap;
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}
.inline-form {
    display: inline-flex;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-light);
}

/* Search */
.search-bar {
    margin-bottom: 20px;
}
.search-form {
    display: flex;
    gap: 10px;
    align-items: center;
}
.search-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}
.search-input:focus {
    border-color: var(--color-primary);
}

/* Filter bar */
.filter-bar {
    margin-bottom: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
}
.filter-form {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}
.filter-form select {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    background: var(--color-white);
}

/* Tabs */
.settings-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 24px;
}
.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.tab-btn:hover {
    color: var(--color-primary);
}
.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

/* Override settings (poster) */
.override-settings {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.override-row {
    display: flex;
    gap: 20px;
    align-items: center;
    padding: 10px 14px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

/* Presenter badge */
.presenter-badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
}

/* Author info (admin) */
.author-email {
    color: var(--color-text-light);
    font-size: 12px;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Utility */
code {
    background: #f0f0f0;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
}
strong {
    font-weight: 600;
}

/* Markdown content */
.post-body a, .reply-body a, .admin-post-body a, .admin-reply-body a {
    color: var(--color-primary);
    text-decoration: underline;
}
.post-body code, .reply-body code {
    background: #f0f0f0;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 0.9em;
}