/* ===================================================
   CKU Switching Admin Portal — App Theme
   =================================================== */

:root {
    --primary: #4158a6;
    --primary-light: #5b76c8;
    --primary-dark: #2e3f7a;
    --accent: #4cbd9d;
    --accent-light: #6dd4b8;
    --accent-dark: #30a07f;
    --bg-light: #fff;
    --surface-light: #f8fafc;
    --border-light: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.2s ease;

    /* Status Colors */
    --status-active-bg: rgba(76, 189, 157, 0.15);
    --status-active-fg: #30a07f;
    --status-inactive-bg: rgba(220, 53, 69, 0.12);
    --status-inactive-fg: #b91c1c;
    --status-pending-bg: rgba(245, 158, 11, 0.12);
    --status-pending-fg: #d97706;
}

/* ── Status Badges ── */
.badge-status {
    display: inline-flex;
    align-items: center;
    padding: 0.3em 0.75em;
    border-radius: 20px;
    font-size: 0.725rem;
    font-weight: 600;
    line-height: 1;
}

.badge-status i {
    font-size: 6px;
    margin-right: 5px;
}

.badge-status-active {
    background: var(--status-active-bg);
    color: var(--status-active-fg);
}

.badge-status-inactive {
    background: var(--status-inactive-bg);
    color: var(--status-inactive-fg);
}

.badge-status-pending {
    background: var(--status-pending-bg);
    color: var(--status-pending-fg);
}

/* ── Base ── */
* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-main);
    background-color: var(--surface-light);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* ===================================================
   AUTH PAGES
   =================================================== */
.auth-body {
    background: var(--surface-light);
    min-height: 100vh;
    display: flex;
    align-items: stretch;
}

.auth-wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* Left decorative panel */
.auth-left {
    width: 45%;
    background: linear-gradient(145deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.auth-left::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    pointer-events: none;
}

.auth-left::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -60px;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: rgba(76,189,157,0.12);
    pointer-events: none;
}

.auth-left-content {
    position: relative;
    z-index: 1;
    color: #fff;
    text-align: center;
}

.auth-logo-large {
    width: 90px;
    height: 90px;
    object-fit: contain;
    filter: drop-shadow(0 4px 16px rgba(0,0,0,0.2));
}

.auth-brand-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #fff;
}

.auth-brand-subtitle {
    font-size: 0.95rem;
    opacity: 0.85;
    line-height: 1.6;
    max-width: 320px;
    margin: 0 auto;
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.auth-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    font-size: 0.88rem;
    font-weight: 500;
}

.auth-feature-item i {
    font-size: 1.1rem;
    color: var(--accent-light);
    flex-shrink: 0;
}

/* Right form panel */
.auth-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-light);
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

.auth-card-header {
    margin-bottom: 2rem;
}

.auth-logo-sm {
    width: 56px;
    height: 56px;
    object-fit: contain;
}

.auth-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.35rem;
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Inputs */
.input-group-auth .input-group-text {
    background: var(--surface-light);
    border-color: var(--border-light);
    color: var(--text-muted);
    border-right: none;
}

.input-group-auth .form-control {
    border-color: var(--border-light);
    border-left: none;
    padding: 0.65rem 1rem;
    font-size: 0.92rem;
    background: var(--bg-light);
    color: var(--text-main);
    transition: var(--transition);
}

.input-group-auth .form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(65,88,166,0.12);
}

.input-group-auth .form-control:focus + .input-group-text,
.input-group-auth:focus-within .input-group-text {
    border-color: var(--primary-light);
}

.input-group-auth .btn-outline-secondary {
    border-color: var(--border-light);
    color: var(--text-muted);
    border-left: none;
}

/* Auth Button */
.btn-auth {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

/* ===================================================
   BUTTONS
   =================================================== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
    color: #fff;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(65,88,166,0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(65,88,166,0.4);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* ===================================================
   NAVBAR
   =================================================== */
.app-navbar {
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 100%);
    box-shadow: var(--shadow-md);
    padding: 0.6rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.navbar-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.navbar-brand-text {
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    letter-spacing: 0.01em;
}

.nav-link-custom {
    color: rgba(255,255,255,0.8) !important;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.85rem !important;
    transition: var(--transition);
}

.nav-link-custom:hover,
.nav-link-custom.active {
    color: #fff !important;
    background: rgba(255,255,255,0.12);
}

.nav-user-btn {
    color: rgba(255,255,255,0.9) !important;
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    padding: 0.4rem 0.75rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-user-btn:hover {
    background: rgba(255,255,255,0.12);
    color: #fff !important;
}

.user-avatar {
    width: 30px;
    height: 30px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #fff;
    flex-shrink: 0;
}

.user-name-nav {
    font-weight: 600;
}

.role-badge {
    background: rgba(76,189,157,0.25);
    color: var(--accent-light);
    font-size: 0.68rem;
    padding: 0.2em 0.55em;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border: 1px solid rgba(76,189,157,0.3);
}

/* User Dropdown */
.user-dropdown {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    padding: 0.35rem;
    animation: dropIn 0.15s ease;
}

@keyframes dropIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-dropdown .dropdown-item {
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    padding: 0.55rem 0.85rem;
    color: var(--text-main);
    transition: var(--transition);
}

.user-dropdown .dropdown-item:hover {
    background: var(--surface-light);
}

.user-dropdown .dropdown-item.text-danger:hover {
    background: rgba(220,53,69,0.07);
}

/* ===================================================
   MAIN CONTENT AREA
   =================================================== */
.app-body {
    background: var(--surface-light);
    min-height: 100vh;
}

.app-main {
    min-height: calc(100vh - 64px);
}

/* Page Header */
.page-header {
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1rem;
}

.page-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ── Stat Cards ── */
.stat-card {
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

/* ── Content Cards ── */
.content-card {
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.content-card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    background: var(--surface-light);
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-main);
}

.content-card-body {
    padding: 1.5rem;
}

/* ── Info Items ── */
.info-item {
    padding: 0.75rem 1rem;
    background: var(--surface-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
}

.info-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.info-value {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.9rem;
}

/* ===================================================
   FORM ELEMENTS
   =================================================== */
.form-label {
    font-size: 0.875rem;
    color: var(--text-main);
    margin-bottom: 0.4rem;
}

.form-control {
    border-radius: var(--radius-sm);
    border-color: var(--border-light);
    font-size: 0.9rem;
    padding: 0.6rem 0.9rem;
    color: var(--text-main);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(65,88,166,0.12);
}

/* ===================================================
   MODAL
   =================================================== */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 1.25rem 1.5rem 0.75rem;
}

.modal-body {
    padding: 1rem 1.5rem;
}

.modal-footer {
    padding: 0.75rem 1.5rem 1.25rem;
}

/* ===================================================
   SCROLLBAR
   =================================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 991.98px) {
    .auth-right {
        padding: 1.5rem;
    }
    .auth-card {
        max-width: 100%;
    }
}

@media (max-width: 575.98px) {
    .auth-right {
        padding: 1.25rem 1rem;
        align-items: flex-start;
        padding-top: 2rem;
    }
}