/* InvestorsTree Invitations Admin CSS - Sprint 8 Final Locked */

:root {
    --admin-bg: #f8fafc;
    --admin-sidebar-bg: #0f172a;
    --admin-sidebar-text: #94a3b8;
    --admin-sidebar-active-text: #ffffff;
    --admin-sidebar-active-bg: #1e293b;
    --admin-gold: #c5a059;
    --admin-gold-hover: #b08d4b;
    --admin-gold-light: #fef3c7;
    --admin-text-main: #1e293b;
    --admin-text-muted: #64748b;
    --admin-card-bg: #ffffff;
    --admin-border: #e2e8f0;
    
    /* Typography Tokens */
    --font-body: 13px;
    --font-table: 12px;
    --font-label: 11px;
    --font-meta: 11px;
    --font-input: 13px;
    --font-page-title: 18px;
    --font-section-title: 14px;
    --font-card-title: 14px;
    --font-kpi-large: 24px;
    --font-button: 12px;
    --font-badge: 11px;
    --font-nav: 12px;

    /* Spacing Tokens */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
}

body {
    background-color: var(--admin-bg);
    color: var(--admin-text-main);
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: var(--font-body);
    margin: 0;
    padding: 0;
}

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

/* Sidebar */
.admin-sidebar {
    width: 220px;
    background-color: var(--admin-sidebar-bg);
    color: var(--admin-sidebar-text);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    border-right: 1px solid var(--admin-border);
    transition: width 0.3s ease;
}

.sidebar-header {
    padding: var(--space-5);
    font-size: var(--font-section-title);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--admin-gold);
    border-bottom: 1px solid #1e293b;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-menu {
    list-style: none;
    padding: var(--space-3) 0;
    margin: 0;
    flex-grow: 1;
}

.sidebar-item a {
    display: flex;
    align-items: center;
    height: 36px;
    padding: 0 var(--space-5);
    color: var(--admin-sidebar-text);
    text-decoration: none;
    font-size: var(--font-nav);
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-item a:hover {
    color: var(--admin-sidebar-active-text);
    background-color: var(--admin-sidebar-active-bg);
}

.sidebar-item.active a {
    color: var(--admin-sidebar-active-text);
    background-color: var(--admin-sidebar-active-bg);
    border-left: 3px solid var(--admin-gold);
    padding-left: calc(var(--space-5) - 3px);
}

/* Main Area */
.admin-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    height: 100vh;
}

.admin-header {
    background-color: #ffffff;
    height: 56px;
    min-height: 56px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
}

.header-title {
    font-size: var(--font-page-title);
    font-weight: 600;
    color: var(--admin-text-main);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header-user {
    font-size: var(--font-meta);
    font-weight: 500;
    color: var(--admin-text-muted);
}

.admin-content {
    padding: var(--space-5) var(--space-6);
    overflow-y: auto;
    flex-grow: 1;
}

/* Typography Enhancements */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--space-3);
}
h1 { font-size: var(--font-page-title); }
h2 { font-size: var(--font-section-title); }
h3 { font-size: var(--font-card-title); }

/* Cards & Components */
.admin-card {
    background-color: var(--admin-card-bg);
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    margin-bottom: var(--space-4);
    padding: var(--space-4);
}

.card-title {
    font-size: var(--font-card-title);
    font-weight: 600;
    margin-top: 0;
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--admin-border);
    padding-bottom: var(--space-2);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    background-color: var(--admin-card-bg);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-table);
    margin: 0;
}

.admin-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.admin-table th {
    background-color: #f1f5f9;
    color: var(--admin-text-muted);
    font-size: var(--font-meta);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--admin-border);
    white-space: nowrap;
    height: 36px;
    box-sizing: border-box;
}

.admin-table td {
    padding: 0 var(--space-3);
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text-main);
    vertical-align: middle;
    height: 44px; /* Standard row height */
    box-sizing: border-box;
}

.admin-table tr:hover td {
    background-color: #f8fafc;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

/* Buttons */
.btn-admin-primary, .btn-admin-outline, .btn-admin-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-1) var(--space-3);
    border-radius: 4px;
    font-weight: 500;
    font-size: var(--font-button);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    height: 32px;
    box-sizing: border-box;
    white-space: nowrap;
}

.btn-admin-primary {
    background-color: var(--admin-gold);
    color: #ffffff;
}

.btn-admin-primary:hover {
    background-color: var(--admin-gold-hover);
}

.btn-admin-outline {
    background-color: transparent;
    color: var(--admin-text-main);
    border-color: var(--admin-border);
}

.btn-admin-outline:hover {
    background-color: var(--admin-bg);
    border-color: var(--admin-text-muted);
}

.btn-admin-secondary {
    background-color: #f1f5f9;
    color: var(--admin-text-main);
    border-color: #e2e8f0;
}
.btn-admin-secondary:hover {
    background-color: #e2e8f0;
}

.btn-admin-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    color: var(--admin-text-muted);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-admin-icon:hover {
    background-color: #f1f5f9;
    color: var(--admin-text-main);
}

/* Badges */
.badge-admin {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    font-size: var(--font-badge);
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1;
}

.badge-draft { background-color: #f1f5f9; color: #475569; }
.badge-active { background-color: #dcfce7; color: #15803d; }
.badge-completed { background-color: #dbeafe; color: #1d4ed8; }
.badge-cancelled { background-color: #fee2e2; color: #b91c1c; }
.badge-pending { background-color: #fef08a; color: #854d0e; }
.badge-failed { background-color: #fee2e2; color: #b91c1c; }
.badge-generated { background-color: #dbeafe; color: #1d4ed8; }

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-3);
}

.form-label {
    display: block;
    font-size: var(--font-label);
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--admin-text-muted);
}

.form-control {
    width: 100%;
    padding: var(--space-2) var(--space-2);
    font-size: var(--font-input);
    border: 1px solid var(--admin-border);
    border-radius: 4px;
    background-color: #ffffff;
    box-sizing: border-box;
    font-family: inherit;
    color: var(--admin-text-main);
    transition: border-color 0.2s ease;
    height: 32px;
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-gold);
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.kpi-card {
    background: var(--admin-card-bg);
    border: 1px solid var(--admin-border);
    border-radius: 6px;
    padding: var(--space-3) var(--space-4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100px;
    box-sizing: border-box;
}

.kpi-title {
    font-size: var(--font-meta);
    color: var(--admin-text-muted);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-1);
}

.kpi-value {
    font-size: var(--font-kpi-large);
    font-weight: 700;
    color: var(--admin-text-main);
    margin-bottom: var(--space-2);
}

.kpi-subtext {
    font-size: var(--font-meta);
    color: var(--admin-text-muted);
    display: flex;
    gap: var(--space-3);
}

/* Pagination Control */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-3);
    padding-top: var(--space-3);
}

.pagination-info {
    font-size: var(--font-meta);
    color: var(--admin-text-muted);
}

.pagination-buttons {
    display: flex;
    gap: var(--space-2);
}

/* Utilities */
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.mt-3 { margin-top: var(--space-3); }
.mb-3 { margin-bottom: var(--space-3); }

/* Responsive Adjustments */

/* Tablet: Collapsed 64px Sidebar */
@media (max-width: 1024px) {
    .admin-sidebar {
        width: 64px;
    }
    
    .sidebar-header {
        font-size: 0; /* Hide text */
        padding: var(--space-5) 0;
        text-align: center;
    }
    .sidebar-header::first-letter {
        font-size: var(--font-section-title); /* Show only first letter 'I' */
    }
    
    .sidebar-item a {
        font-size: 0; /* Hide text */
        padding: 0;
        justify-content: center;
    }
    /* We assume SVG icons will be placed here eventually, for now just compacting */
    
    .sidebar-item.active a {
        padding-left: 0;
        border-left: 3px solid var(--admin-gold);
    }
}

/* Mobile: Drawer Overlay */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        position: fixed;
        left: -220px;
        width: 220px;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s ease;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    }
    
    .admin-sidebar.open {
        left: 0;
    }
    
    .sidebar-header, .sidebar-item a {
        font-size: var(--font-nav);
        padding: 0 var(--space-5);
        justify-content: flex-start;
    }
    
    .sidebar-item.active a {
        padding-left: calc(var(--space-5) - 3px);
    }
    
    .menu-toggle {
        display: block !important;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--admin-text-main);
        padding: 0;
    }
    
    .admin-header {
        padding: 0 var(--space-4);
    }
    
    .admin-content {
        padding: var(--space-4);
    }
    
    /* Responsive Table to Cards */
    .table-responsive .admin-table,
    .admin-table tbody {
        display: block;
    }
    .admin-table thead {
        display: none;
    }
    .admin-table tr {
        display: flex;
        flex-direction: column;
        background: var(--admin-card-bg);
        border: 1px solid var(--admin-border);
        border-radius: 8px;
        margin-bottom: var(--space-4);
        padding: var(--space-3);
        box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    }
    .admin-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border: none;
        padding: 4px 0;
        text-align: right;
    }
    .admin-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--admin-text-muted);
        text-align: left;
    }
    .admin-table td[data-label="Actions"] {
        justify-content: flex-start;
        flex-wrap: wrap;
        border-top: 1px solid var(--admin-border);
        margin-top: var(--space-3);
        padding-top: var(--space-3);
    }
    .admin-table td[data-label="Actions"]::before {
        display: none;
    }
}

/* Custom Clock Picker */
.clock-picker-modal { 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: 2000; opacity: 0; pointer-events: none; transition: opacity 0.2s; }
.clock-picker-modal.active { opacity: 1; pointer-events: auto; }
.clock-picker-content { background: var(--admin-card-bg); border: 1px solid var(--admin-border); border-radius: 12px; width: 90%; max-width: 320px; padding: 25px; box-shadow: 0 10px 25px rgba(0,0,0,0.2); box-sizing: border-box; }
.clock-header { text-align: center; font-size: 2rem; font-weight: 700; color: var(--admin-gold); margin-bottom: 25px; display: flex; justify-content: center; align-items: baseline; gap: 10px; font-family: 'Outfit', sans-serif; }
.clock-header span { cursor: pointer; transition: color 0.2s; }
.clock-header span.active { color: var(--admin-text-main); }
.clock-header span.inactive { color: var(--admin-text-muted); opacity: 0.6; }
.clock-header span:hover { color: var(--admin-text-main); opacity: 1; }
.clock-face { position: relative; width: 240px; height: 240px; border-radius: 50%; background: var(--admin-bg); margin: 0 auto 25px; border: 1px solid var(--admin-border); }
.clock-number { position: absolute; width: 36px; height: 36px; text-align: center; line-height: 36px; border-radius: 50%; font-weight: 500; cursor: pointer; transform: translate(-50%, -50%); transition: all 0.2s; color: var(--admin-text-main); }
.clock-number:hover { background: rgba(197, 160, 89, 0.2); }
.clock-number.disabled { opacity: 0.3; cursor: not-allowed; }
.clock-number.disabled:hover { background: transparent; }
.clock-number.selected { background: var(--admin-gold); color: white; box-shadow: 0 4px 10px rgba(197, 160, 89, 0.3); }
.clock-hand { position: absolute; bottom: 50%; left: 50%; width: 2px; height: 100px; background: var(--admin-gold); transform-origin: bottom center; pointer-events: none; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.clock-hand::after { content: ''; position: absolute; top: -6px; left: -5px; width: 12px; height: 12px; border-radius: 50%; background: var(--admin-gold); }
.clock-center { position: absolute; top: 50%; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--admin-gold); transform: translate(-50%, -50%); }
.clock-ampm { display: flex; justify-content: center; gap: 20px; margin-bottom: 25px; }
.ampm-btn { flex: 1; padding: 10px; border-radius: 8px; border: 1px solid var(--admin-border); background: var(--admin-bg); cursor: pointer; font-weight: 600; color: var(--admin-text-muted); transition: all 0.2s; }
.ampm-btn.selected { background: rgba(197, 160, 89, 0.15); color: var(--admin-gold); border-color: var(--admin-gold); }
.clock-actions { display: flex; justify-content: space-between; gap: 15px; }
.clock-actions button { flex: 1; padding: 10px; font-weight: 600; border-radius: 6px; cursor: pointer; transition: all 0.2s; }
.clock-cancel { background: transparent; border: 1px solid var(--admin-border); color: var(--admin-text-main); }
.clock-cancel:hover { background: var(--admin-bg); }
.clock-ok { background: var(--admin-text-main); border: 1px solid var(--admin-text-main); color: white; }
.clock-ok:hover { background: var(--admin-gold); border-color: var(--admin-gold); }