:root {
    --bg-color: #f4f6f9;
    --sidebar-bg: #1e1e2d;
    --sidebar-text: #a2a3b7;
    --sidebar-text-hover: #ffffff;
    --sidebar-active: #2b2b40;
    --card-bg: #ffffff;
    --text-color: #3f4254;
    --text-muted: #7e8299;
    --border-color: #e4e6ef;
    --primary: #009ef7;
    --primary-hover: #0095e8;
    --danger: #f1416c;
    --success: #50cd89;
    --warning: #ffc700;
    --radius: 8px;
    --row-even: #f8f9fa;
    --row-odd: #ffffff;
    --row-hover: #f1f3f6;
}

[data-theme="dark"] {
    --bg-color: #151521;
    --sidebar-bg: #1a1a2e;
    --sidebar-text: #9899ac;
    --sidebar-text-hover: #ffffff;
    --sidebar-active: #232336;
    --card-bg: #1e1e2d;
    --text-color: #92929f;
    --text-muted: #6c7293;
    --border-color: #323248;
    --primary: #009ef7;
    --primary-hover: #0095e8;
    --danger: #f1416c;
    --success: #50cd89;
    --warning: #ffc700;
    --radius: 8px;
    --row-even: #1b1b28;
    --row-odd: #1e1e2d;
    --row-hover: #262638;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    display: flex;
    height: 100vh;
    overflow: hidden;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease;
}

#loginOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 30, 45, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.login-card {
    background: var(--card-bg);
    color: var(--text-color);
    padding: 40px;
    border-radius: 12px;
    width: 380px;
    text-align: center;
    box-shadow: 0px 10px 30px rgba(0,0,0,0.3);
}

.login-card h2 { margin-top: 0; color: var(--text-color); font-size: 20px; }
.login-card p { color: var(--text-muted); font-size: 13px; margin-bottom: 25px; }

.btn-role {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 12px;
    transition: all 0.2s;
}
.btn-admin { background-color: var(--primary); color: white; }
.btn-admin:hover { background-color: var(--primary-hover); }
.btn-support { background-color: var(--bg-color); color: var(--text-color); border: 1px solid var(--border-color); }
.btn-support:hover { background-color: var(--border-color); }

aside {
    width: 260px;
    background-color: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    transition: width 0.3s ease-in-out;
    position: relative;
}

aside.collapsed {
    width: 70px;
}

aside.collapsed .sidebar-text-label,
aside.collapsed .sidebar-menu button span {
    display: none;
}

aside.collapsed .sidebar-menu button {
    justify-content: center;
    padding: 12px 0;
}

aside.collapsed .sidebar-brand {
    padding: 20px 5px;
}

.sidebar-toggle-btn {
    position: absolute;
    top: 30px;
    right: -14px;
    width: 28px;
    height: 28px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 11px;
    z-index: 100;
    box-shadow: 0px 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
    color: var(--primary);
}

aside.collapsed .sidebar-toggle-btn {
    transform: rotate(180deg);
}

.sidebar-brand {
    padding: 25px 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand h2 {
    color: var(--sidebar-text-hover);
    font-size: 14px;
    margin: 0;
    font-weight: 600;
}

.sidebar-menu {
    list-style: none;
    padding: 15px 10px;
    margin: 0;
    overflow-y: auto;
    flex-grow: 1;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu button {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--sidebar-text);
    text-align: left;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
}

.sidebar-menu button:hover, .sidebar-menu button.active {
    background-color: var(--sidebar-active);
    color: var(--sidebar-text-hover);
}

.main-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

header {
    height: 70px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 25px;
    flex-shrink: 0;
}

.header-left h1 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
}

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

#ticketSearch {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 13px;
    width: 240px;
    outline: none;
    background: var(--bg-color);
    color: var(--text-color);
}
#ticketSearch:focus { border-color: var(--primary); background: var(--card-bg); }

.user-profile-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    background: var(--bg-color);
    color: var(--text-color);
    padding: 6px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.content-body {
    padding: 25px;
    overflow-y: auto;
    flex-grow: 1;
    box-sizing: border-box;
}

button.btn-primary { background-color: var(--primary); color: white; border: none; padding: 8px 16px; font-size: 13px; font-weight: 500; border-radius: var(--radius); cursor: pointer; transition: background 0.2s; }
button.btn-primary:hover { background-color: var(--primary-hover); }

.card { background-color: var(--card-bg); color: var(--text-color); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; box-shadow: 0px 0px 20px 0px rgba(76, 87, 125, 0.02); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text-muted); }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border-color); border-radius: var(--radius); font-size: 13px; box-sizing: border-box; outline: none; background: var(--card-bg); color: var(--text-color); }
input:focus, select:focus, textarea:focus { border-color: var(--primary); }

#autoBillingNotificationBanner { background: rgba(255, 248, 221, 0.15); border: 1px solid #ffe69c; color: #ffc700; padding: 14px 16px; border-radius: var(--radius); margin-bottom: 16px; display: none; align-items: flex-start; gap: 12px; }

#customerInfoPanel { 
    background: var(--bg-color); 
    border: 1px dashed var(--border-color); 
    padding: 15px; 
    border-radius: var(--radius); 
    margin-bottom: 16px; 
    display: none; 
}

.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; font-size: 13px; margin-bottom: 12px; }

.sub-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border-color); font-size: 13px; }
.service-badge { display: inline-block; background: rgba(0, 158, 247, 0.1); color: var(--primary); border: 1px solid var(--primary); padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: bold; margin-right: 4px; margin-bottom: 4px; }

.domain-item, .ssl-item { font-size: 12px; padding: 6px 0; border-bottom: 1px dotted var(--border-color); }
.domain-item:last-child, .ssl-item:last-child { border-bottom: none; }

#emailDiagnosticSection, #domainDiagnosticSection, #userQuickRequestSection, #dnsDiagnosticSection, #emailSubCategoryGroup, #autoSuggestionBox { background: var(--bg-color); border: 1px solid var(--border-color); padding: 16px; border-radius: var(--radius); margin-bottom: 16px; display: none; }
#autoSuggestionBox { background: rgba(0, 158, 247, 0.1); border-color: var(--primary); color: var(--primary); }

.badge-active { background: rgba(80, 205, 137, 0.15); color: var(--success); padding: 2px 8px; border-radius: 4px; font-weight: bold; }
.badge-suspend { background: rgba(241, 65, 108, 0.15); color: var(--danger); padding: 2px 8px; border-radius: 4px; font-weight: bold; }

table { width: 100%; border-collapse: collapse; font-size: 13px; color: var(--text-color); }
th, td { padding: 12px; border-bottom: 1px solid var(--border-color); text-align: left; vertical-align: top; }
th { background-color: var(--bg-color); font-weight: 600; color: var(--text-muted); }

tbody tr:nth-child(odd) { background-color: var(--row-odd); }
tbody tr:nth-child(even) { background-color: var(--row-even); }
tbody tr:hover { background-color: var(--row-hover) !important; cursor: default; }

.hidden { display: none !important; }
.empty-state { text-align: center; color: var(--text-muted); padding: 30px; font-size: 13px; background: var(--card-bg); }

.admin-item-row { display: flex; justify-content: space-between; align-items: center; padding: 4px 10px !important; min-height: 32px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 4px; margin-bottom: 4px !important; font-size: 13px; }
.admin-item-row button { padding: 4px 8px; font-size: 11px; margin-left: 4px; }

.pagination-container { display: flex; justify-content: space-between; align-items: center; margin-top: 15px; font-size: 13px; color: var(--text-muted); }
.pagination-buttons { display: flex; gap: 5px; }
.pagination-buttons button { padding: 6px 12px; border: 1px solid var(--border-color); background: var(--card-bg); color: var(--text-color); border-radius: 4px; cursor: pointer; font-size: 12px; font-weight: 500; }
.pagination-buttons button.active { background: var(--primary); color: white; border-color: var(--primary); }
.pagination-buttons button:disabled { background: var(--bg-color); color: var(--text-muted); cursor: not-allowed; }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 20px; }
.stat-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 20px; text-align: center; }
.stat-card h3 { margin: 0; font-size: 26px; color: var(--primary); }
.stat-card p { margin: 6px 0 0 0; font-size: 12px; color: var(--text-muted); text-transform: uppercase; font-weight: 600; }

#categoryListAdmin,
#subCategoryListAdmin {
    max-height: none !important;
    overflow-y: visible !important;
}

#categoryListAdmin::-webkit-scrollbar,
#subCategoryListAdmin::-webkit-scrollbar {
    width: 6px;
}

#categoryListAdmin::-webkit-scrollbar-track,
#subCategoryListAdmin::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 4px;
}

#categoryListAdmin::-webkit-scrollbar-thumb,
#subCategoryListAdmin::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

#categoryListAdmin::-webkit-scrollbar-thumb:hover,
#subCategoryListAdmin::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}