/* Admin Panel - Clean Minimalist */

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

:root {
    --white: #fff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --primary: #4f46e5;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 11px;
    line-height: 1.5;
    color: var(--gray-700);
    background: var(--gray-50);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }

/* Layout */
.admin-panel { display: flex; min-height: 100vh; }

/* Sidebar */
.admin-sidebar {
    width: 180px;
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    padding: 12px 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
}

.admin-logo { 
    padding: 0 12px 12px;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 6px;
}

.admin-logo-img { width: 24px; height: 24px; }
.admin-logo-text { font-weight: 600; font-size: 12px; color: var(--gray-800); }

.admin-nav { padding: 6px; }

.admin-nav-item {
    display: block;
    padding: 6px 10px;
    color: var(--gray-600);
    font-size: 11px;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.admin-nav-item:hover { color: var(--gray-800); background: var(--gray-50); }
.admin-nav-item.active { color: var(--primary); background: var(--gray-100); font-weight: 500; }

.nav-icon { display: none; }
.nav-badge {
    float: right;
    background: var(--danger);
    color: white;
    font-size: 9px;
    padding: 1px 5px;
}
.nav-badge:empty { display: none; }

.admin-sidebar-footer {
    border-top: 1px solid var(--gray-200);
    padding: 10px 6px 0;
    position: absolute;
    bottom: 12px;
    left: 0;
    right: 0;
}

/* Main */
.admin-main {
    flex: 1;
    margin-left: 180px;
    padding: 20px 28px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
}

.admin-page-title { font-size: 16px; font-weight: 600; color: var(--gray-800); }

.admin-user-info { text-align: right; }
.admin-user-name { font-size: 11px; font-weight: 500; color: var(--gray-800); }
.admin-user-role { font-size: 9px; color: var(--gray-500); }

/* Sections */
.admin-section { display: none; }
.admin-section.active { display: block; }

/* Stats */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.admin-stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 14px;
}

.stat-icon { display: none; }
.stat-value { font-size: 22px; font-weight: 600; color: var(--gray-800); }
.stat-label { font-size: 9px; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; }

/* Cards */
.admin-card { 
    background: var(--white);
    border: 1px solid var(--gray-200);
    margin-bottom: 14px;
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.admin-card-header h2 { font-size: 11px; font-weight: 600; color: var(--gray-700); }
.admin-card-actions { display: flex; gap: 6px; }
.admin-card-body { padding: 14px; }

/* Tables */
.admin-table { width: 100%; border-collapse: collapse; }

.admin-table th,
.admin-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
    font-size: 11px;
}

.admin-table th {
    font-weight: 500;
    color: var(--gray-500);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: var(--gray-50);
}

.admin-table tbody tr:hover { background: var(--gray-50); }

/* Forms */
.admin-search,
.admin-select {
    padding: 5px 8px;
    border: 1px solid var(--gray-300);
    font-size: 11px;
    background: var(--white);
}

.admin-search { width: 160px; }
.admin-search:focus, .admin-select:focus { outline: none; border-color: var(--primary); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 5px 10px;
    font-size: 10px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-700);
    cursor: pointer;
}

.btn:hover { background: var(--gray-50); }
.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover { background: #4338ca; }
.btn-success { background: var(--success); color: white; border-color: var(--success); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 3px 6px; font-size: 9px; }

/* Badges */
.role-badge, .status-badge { 
    display: inline-block;
    padding: 2px 6px;
    font-size: 9px;
    background: var(--gray-100);
    color: var(--gray-600);
}

.role-badge.admin { background: #ede9fe; color: #6d28d9; }
.role-badge.moderator { background: #dbeafe; color: #1d4ed8; }

.country-badge { font-size: 8px; padding: 2px 5px; font-weight: 500; }
.country-badge.us { background: #dbeafe; color: #1e40af; }
.country-badge.can { background: #fee2e2; color: #b91c1c; }

/* Activity */
.activity-list { max-height: 300px; overflow-y: auto; }

.activity-item { 
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 11px;
}

.activity-item:last-child { border-bottom: none; }
.activity-icon { display: none; }
.activity-text { color: var(--gray-700); }
.activity-time { font-size: 9px; color: var(--gray-400); margin-top: 2px; }

.empty-state { color: var(--gray-400); font-size: 11px; padding: 20px; text-align: center; }

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.hidden { display: none; }

.modal-content {
    background: var(--white);
    padding: 18px;
    max-width: 380px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-content.modal-large { max-width: 560px; }

.modal-close {
    position: absolute;
    top: 10px; right: 14px;
    background: none;
    border: none;
    font-size: 16px;
    color: var(--gray-400);
    cursor: pointer;
}

.modal-close:hover { color: var(--gray-600); }

.modal-content h2 { font-size: 13px; font-weight: 600; margin-bottom: 14px; padding-right: 20px; }
.modal-description { font-size: 11px; color: var(--gray-500); margin-bottom: 14px; }
.modal-actions { display: flex; gap: 6px; justify-content: flex-end; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--gray-200); }

/* Form Groups */
.form-group { margin-bottom: 10px; }
.form-group label { display: block; font-size: 10px; font-weight: 500; margin-bottom: 3px; color: var(--gray-600); }

.form-group input,
.form-group select,
.form-group textarea,
.form-control {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--gray-300);
    font-size: 11px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); }

.form-group textarea { resize: vertical; min-height: 50px; }
.form-row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 8px; }

/* Loading */
.admin-loading {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.admin-loading-content { text-align: center; }

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto;
}

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

.admin-loading p { color: var(--gray-500); font-size: 11px; margin-top: 10px; }

/* Access Denied */
.access-denied {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.access-denied-content { text-align: center; padding: 28px; }
.access-denied-title { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.access-denied-message { color: var(--gray-500); margin-bottom: 14px; font-size: 11px; }
.access-denied-content a { display: inline-block; padding: 6px 14px; background: var(--primary); color: white; }

/* Tax Rates */
.tax-status-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--gray-200);
}

.tax-status-label { display: block; font-size: 8px; text-transform: uppercase; color: var(--gray-500); margin-bottom: 3px; }
.tax-status-value { font-size: 12px; font-weight: 600; color: var(--gray-800); }

.quarter-selector { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 14px; }

.quarter-btn {
    padding: 5px 10px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    cursor: pointer;
    font-size: 10px;
}

.quarter-btn:hover { background: var(--gray-50); }
.quarter-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.quarter-btn.future { border-style: dashed; }
.quarter-btn.has-data::after { content: " •"; color: var(--success); }
.quarter-btn.active.has-data::after { color: rgba(255,255,255,0.7); }

.quarter-status { display: flex; gap: 10px; padding-top: 10px; border-top: 1px solid var(--gray-200); font-size: 10px; }
.quarter-status-label { color: var(--gray-500); }
.quarter-status-value { font-weight: 500; }

.quarter-status-badge { padding: 2px 6px; font-size: 9px; background: var(--gray-100); }
.quarter-status-badge.current { background: #dbeafe; color: #1d4ed8; }
.quarter-status-badge.future { background: #fef3c7; color: #b45309; }

.rates-table-container { max-height: 360px; overflow-y: auto; border: 1px solid var(--gray-200); }
.rates-table { margin: 0; }
.rates-table thead th { position: sticky; top: 0; background: var(--gray-50); z-index: 10; }

.state-code { font-weight: 500; }
.state-name { color: var(--gray-500); font-size: 10px; }

.rate-input {
    width: 70px;
    padding: 3px 5px;
    border: 1px solid var(--gray-300);
    font-size: 10px;
    text-align: right;
    font-family: monospace;
}

.rate-input:focus { outline: none; border-color: var(--primary); }
.rate-input.modified { background: #fef3c7; }
.rate-input.saved { background: #dcfce7; }

.rate-actions { display: flex; gap: 3px; }
.rate-btn { padding: 2px 5px; font-size: 9px; border: 1px solid var(--gray-300); background: var(--white); cursor: pointer; }
.rate-btn:hover { background: var(--gray-50); }

.rates-footer { display: flex; justify-content: space-between; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--gray-200); font-size: 10px; color: var(--gray-500); }
.modified-count { color: var(--warning); font-weight: 500; }
.modified-count.hidden { display: none; }

.stored-quarters-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }

.stored-quarter-item { padding: 10px; border: 1px solid var(--gray-200); background: var(--gray-50); }
.stored-quarter-item.current-quarter { border-color: var(--primary); }
.stored-quarter-title { font-weight: 500; font-size: 11px; margin-bottom: 3px; }
.stored-quarter-meta { font-size: 9px; color: var(--gray-500); margin-bottom: 6px; }
.stored-quarter-actions { display: flex; gap: 5px; }

.fetch-status { padding: 10px; font-size: 11px; margin-top: 10px; border-left: 3px solid var(--gray-300); background: var(--gray-50); }
.fetch-status.loading { border-color: var(--primary); }
.fetch-status.success { border-color: var(--success); background: #f0fdf4; }
.fetch-status.error { border-color: var(--danger); background: #fef2f2; }

/* AI Validation */
.ai-validation-summary { display: flex; flex-wrap: wrap; gap: 8px; padding: 8px 10px; margin-top: 8px; font-size: 10px; background: var(--gray-50); border: 1px solid var(--gray-200); }
.ai-validation-summary.high { background: #f0fdf4; border-color: var(--success); }
.ai-validation-summary.medium { background: #fef3c7; border-color: var(--warning); }
.ai-validation-summary.low { background: #fef2f2; border-color: var(--danger); }

.ai-badge { background: var(--primary); color: white; padding: 2px 5px; font-size: 8px; font-weight: 500; }
.confidence-score { font-weight: 500; }
.validation-stats { color: var(--gray-600); }
.validation-indicator { display: inline-block; width: 5px; height: 5px; border-radius: 50%; margin-left: 3px; }
.validation-indicator.high { background: var(--success); }
.validation-indicator.medium { background: var(--warning); }
.validation-indicator.low { background: var(--danger); }

/* Company */
.company-links { display: flex; flex-direction: column; gap: 5px; }
.company-link { display: flex; justify-content: space-between; padding: 8px 10px; background: var(--gray-50); border: 1px solid var(--gray-100); }
.company-link:hover { background: var(--white); }
.company-name { font-weight: 500; }
.company-user-count { font-size: 10px; color: var(--gray-500); }

.company-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 14px 0; padding: 14px; background: var(--gray-50); }
.company-stat { text-align: center; }
.company-stat .stat-value { font-size: 18px; font-weight: 600; }
.company-stat .stat-label { font-size: 8px; color: var(--gray-500); text-transform: uppercase; }

.company-section { margin-top: 14px; }
.company-section h3 { font-size: 11px; font-weight: 600; margin-bottom: 8px; padding-bottom: 6px; border-bottom: 1px solid var(--gray-200); }

.company-user-item { display: flex; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--gray-100); font-size: 11px; }
.company-user-item:last-child { border-bottom: none; }
.company-user-item .user-email { color: var(--gray-500); }
.company-user-item .user-role { color: var(--gray-400); font-size: 10px; }

.invite-status { font-size: 10px; margin: 8px 0; padding: 6px 8px; }
.invite-status.success { color: #166534; background: #dcfce7; }
.invite-status.error { color: #991b1b; background: #fee2e2; }
.invite-status:empty { display: none; }

.text-muted { font-size: 10px; color: var(--gray-500); margin-top: 6px; }

/* About Editor */
.about-editor-grid {
    display: grid;
    gap: 16px;
}

.about-editor-grid .form-group {
    margin-bottom: 0;
}

.about-editor-grid label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.about-editor-grid textarea,
.about-editor-grid input[type="text"] {
    width: 100%;
    padding: 8px 10px;
    font-size: 12px;
    border: 1px solid var(--gray-200);
    border-radius: 4px;
    font-family: inherit;
    line-height: 1.5;
    resize: vertical;
}

.about-editor-grid textarea:focus,
.about-editor-grid input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
}

.about-editor-note {
    margin-top: 16px;
    font-size: 10px;
    color: var(--gray-500);
    font-style: italic;
}

/* Responsive */
@media (max-width: 900px) {
    .admin-sidebar { width: 140px; }
    .admin-main { margin-left: 140px; padding: 14px 16px; }
    .admin-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .tax-status-grid { grid-template-columns: repeat(2, 1fr); }
    .company-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .admin-sidebar { width: 100%; position: relative; }
    .admin-main { margin-left: 0; padding: 10px; }
    .admin-nav { display: flex; flex-wrap: wrap; gap: 3px; }
    .admin-nav-item { flex: 1; min-width: 70px; text-align: center; padding: 5px 6px; font-size: 9px; }
    .form-row { grid-template-columns: 1fr; }
}