/* ===== ADMIN PANEL STYLES ===== */
/* Matches CER Technologies branding: #0E509F primary, #D71F27 accent */

:root {
    --admin-primary: #0E509F;
    --admin-accent: #D71F27;
    --admin-sidebar-width: 260px;
    --admin-sidebar-bg: #0a1628;
    --admin-content-bg: #f4f6fb;
    --admin-card-bg: #ffffff;
    --admin-text: #2e2e2e;
    --admin-text-light: #8a94a6;
    --admin-border: #e2e8f0;
    --admin-success: #22c55e;
    --admin-warning: #f59e0b;
    --admin-danger: #ef4444;
}

* { box-sizing: border-box; }

body.admin-body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'Outfit', sans-serif;
    background: var(--admin-content-bg);
    color: var(--admin-text);
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--admin-sidebar-width);
    height: 100vh;
    background: var(--admin-sidebar-bg);
    color: #fff;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    overflow-y: auto;
    scrollbar-width: none;          /* Firefox */
    -ms-overflow-style: none;       /* IE/Edge */
}
.admin-sidebar::-webkit-scrollbar {
    display: none;                  /* Chrome/Safari/Opera */
}

.admin-sidebar-logo {
    padding: 20px 20px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.admin-sidebar-logo img {
    max-width: 180px;
    height: auto;
}

.admin-sidebar-nav {
    flex: 1;
    padding: 15px 0;
    list-style: none;
    margin: 0;
}

.admin-sidebar-nav li {
    margin: 2px 0;
}

.admin-sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.admin-sidebar-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
    border-left-color: var(--admin-accent);
}

.admin-sidebar-nav a.active {
    color: #fff;
    background: rgba(14, 80, 159, 0.4);
    border-left-color: var(--admin-accent);
    font-weight: 600;
}

.admin-sidebar-nav a i {
    width: 22px;
    margin-right: 12px;
    text-align: center;
    font-size: 1rem;
}

.admin-sidebar-section {
    padding: 15px 20px 5px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.35);
    font-weight: 600;
}

.admin-sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* ===== TOP HEADER BAR ===== */
.admin-topbar {
    position: fixed;
    top: 0;
    left: var(--admin-sidebar-width);
    right: 0;
    height: 60px;
    background: var(--admin-card-bg);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    z-index: 1030;
}

.admin-topbar-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-topbar-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--admin-primary);
    margin: 0;
}

.admin-topbar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.admin-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--admin-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* ===== USER DROPDOWN ===== */
.admin-user-dropdown {
    position: relative;
}

.admin-user-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.admin-user-toggle:hover {
    background: #f8f9fb;
    border-color: #cbd5e1;
}

.admin-user-details {
    display: flex;
    flex-direction: column;
    text-align: left;
    line-height: 1.3;
}

.admin-user-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--admin-text);
}

.admin-user-role {
    font-size: 0.72rem;
    color: var(--admin-text-light);
}

.admin-user-chevron {
    font-size: 0.65rem;
    color: var(--admin-text-light);
    transition: transform 0.2s;
}

.admin-user-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    background: #fff;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s;
    z-index: 1100;
    overflow: hidden;
}

.admin-user-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.admin-user-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 0.85rem;
    color: var(--admin-text);
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s;
    border: none;
    background: none;
    width: 100%;
    font-family: inherit;
}

.admin-user-menu-item:hover {
    background: #f4f6fb;
}

.admin-user-menu-item i {
    width: 18px;
    text-align: center;
    color: var(--admin-text-light);
}

.admin-user-menu-logout {
    color: var(--admin-danger);
}

.admin-user-menu-logout i {
    color: var(--admin-danger);
}

.admin-user-menu-logout:hover {
    background: #fef2f2;
}

.admin-user-menu-divider {
    height: 1px;
    background: var(--admin-border);
    margin: 4px 0;
}

.admin-btn-logout {
    background: none;
    border: 1px solid var(--admin-danger);
    color: var(--admin-danger);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.admin-btn-logout:hover {
    background: var(--admin-danger);
    color: #fff;
}

/* ===== MAIN CONTENT ===== */
.admin-content {
    margin-left: var(--admin-sidebar-width);
    margin-top: 60px;
    padding: 25px;
    min-height: calc(100vh - 60px);
}

/* ===== CARDS ===== */
.admin-card {
    background: var(--admin-card-bg);
    border-radius: 10px;
    border: 1px solid var(--admin-border);
    padding: 20px;
    margin-bottom: 20px;
}

.admin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--admin-border);
}

.admin-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--admin-text);
    margin: 0;
}

/* ===== STAT BOXES ===== */
.admin-stat-box {
    background: var(--admin-card-bg);
    border-radius: 10px;
    border: 1px solid var(--admin-border);
    padding: 20px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.admin-stat-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.admin-stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.admin-stat-icon.blue { background: rgba(14,80,159,0.1); color: var(--admin-primary); }
.admin-stat-icon.red { background: rgba(215,31,39,0.1); color: var(--admin-accent); }
.admin-stat-icon.green { background: rgba(34,197,94,0.1); color: var(--admin-success); }
.admin-stat-icon.orange { background: rgba(245,158,11,0.1); color: var(--admin-warning); }

.admin-stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--admin-text);
    margin: 5px 0;
}

.admin-stat-label {
    font-size: 0.85rem;
    color: var(--admin-text-light);
}

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

.admin-table th {
    background: var(--admin-content-bg);
    padding: 10px 12px;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--admin-text-light);
    border-bottom: 2px solid var(--admin-border);
}

.admin-table td {
    padding: 12px;
    border-bottom: 1px solid var(--admin-border);
    font-size: 0.9rem;
    vertical-align: middle;
}

.admin-table tr:hover td {
    background: rgba(14,80,159,0.03);
}

/* ===== BADGES ===== */
.admin-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.admin-badge.success { background: rgba(34,197,94,0.1); color: var(--admin-success); }
.admin-badge.danger { background: rgba(239,68,68,0.1); color: var(--admin-danger); }
.admin-badge.warning { background: rgba(245,158,11,0.1); color: var(--admin-warning); }
.admin-badge.info { background: rgba(14,80,159,0.1); color: var(--admin-primary); }

/* ===== BUTTONS ===== */
.admin-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 7px;
    font-size: 0.87rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.admin-btn-primary { background: var(--admin-primary); color: #fff; }
.admin-btn-primary:hover { background: #0a3d7a; color: #fff; }
.admin-btn-danger { background: var(--admin-danger); color: #fff; }
.admin-btn-danger:hover { background: #dc2626; color: #fff; }
.admin-btn-warning { background: var(--admin-warning); color: #fff; }
.admin-btn-warning:hover { background: #d97706; color: #fff; }
.admin-btn-success { background: var(--admin-success); color: #fff; }
.admin-btn-success:hover { background: #16a34a; color: #fff; }
.admin-btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.admin-btn-outline {
    background: transparent;
    border: 1px solid var(--admin-primary);
    color: var(--admin-primary);
}
.admin-btn-outline:hover {
    background: var(--admin-primary);
    color: #fff;
}

/* ===== FORMS ===== */
.admin-form-group { margin-bottom: 15px; }

.admin-form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 5px;
}

.admin-form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--admin-border);
    border-radius: 7px;
    font-size: 0.9rem;
    transition: border-color 0.2s;
    font-family: inherit;
}

.admin-form-control:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(14,80,159,0.1);
}

.admin-form-select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--admin-border);
    border-radius: 7px;
    font-size: 0.9rem;
    background: #fff;
}

/* ===== ALERTS ===== */
.admin-alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.admin-alert-success { background: rgba(34,197,94,0.1); color: #166534; border: 1px solid rgba(34,197,94,0.2); }
.admin-alert-danger { background: rgba(239,68,68,0.1); color: #991b1b; border: 1px solid rgba(239,68,68,0.2); }
.admin-alert-warning { background: rgba(245,158,11,0.1); color: #92400e; border: 1px solid rgba(245,158,11,0.2); }
.admin-alert-info { background: rgba(14,80,159,0.1); color: #1e3a5f; border: 1px solid rgba(14,80,159,0.2); }

/* ===== DIAGNOSTICS ===== */
.diag-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    margin-bottom: 10px;
}

.diag-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.diag-status.ok { background: var(--admin-success); }
.diag-status.fail { background: var(--admin-danger); }

/* ===== MESSAGE DETAIL ===== */
.msg-bubble {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 12px;
    max-width: 80%;
}

.msg-bubble.incoming {
    background: var(--admin-content-bg);
    border: 1px solid var(--admin-border);
}

.msg-bubble.outgoing {
    background: rgba(14,80,159,0.08);
    border: 1px solid rgba(14,80,159,0.15);
    margin-left: auto;
}

.msg-meta {
    font-size: 0.75rem;
    color: var(--admin-text-light);
    margin-top: 6px;
}

/* ===== LOGIN PAGE ===== */
.admin-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a1628 0%, var(--admin-primary) 100%);
}

.admin-login-box {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.admin-login-box h2 {
    text-align: center;
    color: var(--admin-primary);
    margin-bottom: 5px;
    font-size: 1.4rem;
}

.admin-login-box .login-subtitle {
    text-align: center;
    color: var(--admin-text-light);
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.admin-login-logo {
    text-align: center;
    margin-bottom: 25px;
}

.admin-login-logo img {
    max-width: 200px;
}

/* ===== FILTERS ===== */
.admin-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.admin-filter-btn {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--admin-border);
    background: #fff;
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--admin-text);
}

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

/* ===== RESPONSIVE ===== */
.admin-sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--admin-primary);
    cursor: pointer;
    padding: 5px;
}

/* ===== STATS GRID ===== */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

/* ===== RESPONSIVE GRID UTILITIES ===== */
.admin-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.admin-grid-2-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* ===== TABLE WRAPPER ===== */
.admin-table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ===== TABLET BREAKPOINT (max-width: 991.98px) ===== */
@media (max-width: 991.98px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-topbar {
        left: 0;
    }
    .admin-content {
        margin-left: 0;
    }
    .admin-sidebar-toggle {
        display: block;
    }
    .admin-sidebar-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1035;
    }
    .admin-sidebar-overlay.open {
        display: block;
    }

    /* Stack 2-column grids */
    .admin-grid-2,
    .admin-grid-2-form {
        grid-template-columns: 1fr;
    }
}

/* ===== SMALL TABLET / LARGE PHONE (max-width: 767.98px) ===== */
@media (max-width: 767.98px) {
    .admin-content {
        padding: 15px;
    }

    .admin-topbar {
        padding: 0 15px;
    }

    .admin-topbar-title {
        font-size: 0.95rem;
    }

    /* Hide user name/role on small screens, show only avatar */
    .admin-user-details {
        display: none;
    }

    .admin-user-chevron {
        display: none;
    }

    .admin-user-toggle {
        padding: 4px 6px;
        border: none;
    }

    .admin-card {
        padding: 15px;
    }

    .admin-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .admin-stat-value {
        font-size: 1.4rem;
    }

    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .admin-stat-box {
        padding: 15px;
    }

    /* ===== TABLE TO CARD VIEW TRANSFORMATION ===== */
    .admin-table-responsive .admin-table {
        border: none;
    }

    .admin-table-responsive .admin-table thead {
        display: none;
    }

    .admin-table-responsive .admin-table tbody tr {
        display: block;
        margin-bottom: 12px;
        border: 1px solid var(--admin-border);
        border-radius: 10px;
        padding: 14px 16px;
        background: var(--admin-card-bg);
        box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    }

    .admin-table-responsive .admin-table tbody tr:hover {
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }

    .admin-table-responsive .admin-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 7px 0;
        border: none;
        border-bottom: 1px solid #f1f5f9;
        text-align: right;
    }

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

    .admin-table-responsive .admin-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: #475569;
        margin-right: 12px;
        font-size: 0.82rem;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        flex-shrink: 0;
        text-align: left;
    }

    /* Message bubble max-width */
    .msg-bubble {
        max-width: 95%;
    }

    .admin-btn {
        padding: 7px 12px;
        font-size: 0.82rem;
    }

    .admin-filters {
        gap: 6px;
    }

    .admin-filter-btn {
        padding: 5px 10px;
        font-size: 0.78rem;
    }

    /* Diagnostics items stack */
    .diag-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* ===== PHONE (max-width: 575.98px) ===== */
@media (max-width: 575.98px) {
    .admin-content {
        padding: 12px;
    }

    .admin-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .admin-stat-box {
        padding: 12px;
    }

    .admin-stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .admin-stat-value {
        font-size: 1.2rem;
    }

    .admin-stat-label {
        font-size: 0.78rem;
    }

    .admin-login-box {
        padding: 25px 20px;
        margin: 15px;
        border-radius: 10px;
    }

    .admin-login-logo img {
        max-width: 160px;
    }

    .admin-login-box h2 {
        font-size: 1.2rem;
    }

    .admin-login-box .login-subtitle {
        font-size: 0.82rem;
    }

    /* reCAPTCHA responsive scale */
    .g-recaptcha {
        transform: scale(0.85);
        transform-origin: 0 0;
    }
}

/* ===== TINY PHONE (max-width: 374.98px) ===== */
@media (max-width: 374.98px) {
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-topbar-title {
        font-size: 0.85rem;
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .g-recaptcha {
        transform: scale(0.72);
    }
}