* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-start, #2c1a4b) 0%, var(--bg-mid, var(--primary, #4a2c8a)) 50%, var(--bg-end, #1a3a6b) 100%);
    color: #ffffff;
    min-height: 100vh;
    display: flex;
}
.sidebar {
    width: 260px;
    background: var(--card-bg, #1a1a3e);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 22px 22px 18px;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.15);
}
.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    border: 2px solid var(--secondary, #7b5ec7);
}
.sidebar-brand-text {
    display: flex;
    flex-direction: column;
}
.sidebar-title {
    font-size: 1.2em;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.3px;
}
.sidebar-subtitle {
    font-size: 0.75em;
    color: var(--muted, #8899c0);
    margin-top: 1px;
}
.sidebar-divider {
    font-size: 0.7em;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.25);
    padding: 16px 22px 6px;
    font-weight: 600;
}
.sidebar ul {
    list-style: none;
    padding: 4px 10px;
}
.sidebar ul li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: #b8cff0;
    text-decoration: none;
    font-size: 0.9em;
    font-weight: 600;
    border-radius: 10px;
    transition: 0.25s;
    margin-bottom: 2px;
}
.sidebar ul li a i {
    width: 20px;
    text-align: center;
    font-size: 1em;
    color: var(--secondary, #7b5ec7);
    transition: 0.25s;
}
.sidebar ul li a:hover {
    background: rgba(var(--primary-rgb), 0.35);
    color: #ffffff;
}
.sidebar ul li a:hover i {
    color: #ffffff;
}
.sidebar ul li a.active {
    background: linear-gradient(135deg, var(--primary, #4a2c8a), var(--secondary, #7b5ec7));
    color: #ffffff;
    font-weight: 700;
}
.sidebar ul li a.active i {
    color: #ffffff;
}
.sidebar-footer {
    margin-top: auto;
    padding: 14px 16px;
    border-top: 1px solid rgba(var(--primary-rgb), 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}
.sidebar-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary, #4a2c8a), var(--secondary, #7b5ec7));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85em;
    color: #fff;
    flex-shrink: 0;
}
.sidebar-user-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.sidebar-user-name {
    font-size: 0.85em;
    font-weight: 600;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-user-role {
    font-size: 0.7em;
    color: var(--muted, #8899c0);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.sidebar-logout {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff6b6b;
    text-decoration: none;
    transition: 0.25s;
    flex-shrink: 0;
}
.sidebar-logout:hover {
    background: rgba(255,107,107,0.15);
    color: #ff6b6b;
}
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 20px;
    overflow-y: auto;
    overflow-x: auto;
    min-width: 0;
}
h1 {
    font-size: 3em;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 10px;
    text-align: center;
}
.main-content > p {
    font-size: 1.2em;
    color: #b8cff0;
    letter-spacing: 1px;
    text-align: center;
}
.login-body {
    align-items: center;
    justify-content: flex-end;
}
.login-container {
    margin-right: 100px;
    background: rgba(var(--card-bg-rgb), var(--glass-opacity, 0.18));
    padding: 45px 40px;
    border-radius: 20px;
    width: 380px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4), 0 0 40px rgba(var(--primary-rgb), 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(var(--glass-blur, 24px));
    -webkit-backdrop-filter: blur(var(--glass-blur, 24px));
    animation: fadeIn 0.6s ease;
}
@media (max-width: 768px) {
    .login-body {
        justify-content: center;
    }
    .login-container {
        margin-right: 0;
        width: 90%;
        max-width: 380px;
        padding: 35px 25px;
    }
    .set-panel {
        padding: 16px;
        border-radius: 16px;
    }
    .set-palette-grid {
        grid-template-columns: 1fr !important;
    }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.login-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary, #4a2c8a), var(--secondary, #7b5ec7));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -10px auto 18px;
    font-size: 1.8em;
    color: #ffffff;
    box-shadow: 0 5px 20px rgba(var(--primary-rgb), 0.4);
}
.login-container h1 {
    font-size: 2em;
    margin-bottom: 5px;
    text-shadow: 0 0 20px rgba(var(--secondary-rgb), 0.3);
}
.login-subtitle {
    font-size: 0.9em;
    margin-bottom: 30px;
    color: var(--muted, #8899c0);
}
.login-form {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.input-group {
    position: relative;
    margin-bottom: 8px;
}
.input-group i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary, #7b5ec7);
    font-size: 1em;
}
.input-group input {
    width: 100%;
    padding: 13px 13px 13px 42px;
    border: 1px solid rgba(var(--primary-rgb), 0.4);
    border-radius: 10px;
    background: rgba(44, 26, 75, 0.8);
    color: #ffffff;
    font-size: 0.95em;
    transition: 0.3s;
}
.input-group input::placeholder {
    color: #6a5a8a;
}
.input-group input:focus {
    outline: none;
    border-color: var(--secondary, #7b5ec7);
    box-shadow: 0 0 15px rgba(var(--secondary-rgb), 0.2);
    background: rgba(44, 26, 75, 1);
}
.login-form button {
    width: 100%;
    padding: 13px;
    margin-top: 10px;
    background: linear-gradient(135deg, var(--primary, #4a2c8a), var(--secondary, #7b5ec7));
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    letter-spacing: 0.5px;
}
.login-form button:hover {
    background: linear-gradient(135deg, var(--secondary, #7b5ec7), #9b7fdf);
    box-shadow: 0 5px 20px rgba(var(--primary-rgb), 0.4);
    transform: translateY(-1px);
}
.error-msg {
    color: #ff6b6b;
    font-size: 0.9em;
    margin-bottom: 15px;
    background: rgba(255, 107, 107, 0.1);
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(255, 107, 107, 0.2);
}
.profile-header {
    text-align: center;
    margin-bottom: 30px;
    animation: fadeIn 0.6s ease;
}
.profile-avatar {
    font-size: 5em;
    color: var(--secondary, #7b5ec7);
    margin-bottom: 10px;
    text-shadow: 0 0 30px rgba(var(--secondary-rgb), 0.3);
}
.profile-card {
    background: rgba(var(--card-bg-rgb), 0.9);
    padding: 0;
    border-radius: 16px;
    overflow: hidden;
    width: 100%;
    max-width: 1200px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    margin-bottom: 25px;
    animation: fadeIn 0.6s ease;
}
.profile-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 30px;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.15);
    transition: 0.3s;
}
.profile-row:last-child {
    border-bottom: none;
}
.profile-row:hover {
    background: rgba(var(--primary-rgb), 0.1);
}
.profile-label {
    color: var(--muted, #8899c0);
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.profile-label i {
    color: var(--secondary, #7b5ec7);
    width: 18px;
    text-align: center;
}
.profile-value {
    color: #ffffff;
    font-weight: 500;
    font-size: 1em;
}
.role-badge {
    background: linear-gradient(135deg, var(--primary, #4a2c8a), var(--secondary, #7b5ec7));
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.logout-btn {
    margin-top: 25px;
    padding: 13px 35px;
    background: linear-gradient(135deg, #ff6b6b, #e05555);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    letter-spacing: 0.5px;
}
.logout-btn:hover {
    background: linear-gradient(135deg, #e05555, #c94444);
    box-shadow: 0 5px 20px rgba(255, 107, 107, 0.3);
    transform: translateY(-1px);
}
.msg {
    padding: 14px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeIn 0.4s ease;
}
.msg-success {
    background: rgba(46, 213, 115, 0.15);
    border: 1px solid rgba(46, 213, 115, 0.3);
    color: #2ed573;
}
.msg-error {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: #ff6b6b;
}
.um-card {
    background: rgba(var(--card-bg-rgb), 0.9);
    border-radius: 16px;
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    margin-bottom: 25px;
    width: 100%;
    max-width: 1200px;
    overflow-x: auto;
    animation: fadeIn 0.6s ease;
}
.um-card .um-table {
    table-layout: auto;
    width: 100%;
}
.um-card .um-table td:last-child {
    white-space: nowrap;
}
.um-card .um-table th:last-child,
.um-card .um-table td:last-child {
    white-space: nowrap;
    text-align: right;
}
.um-card .um-table th,
.um-card .um-table td {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.um-card-header {
    padding: 18px 25px;
    font-size: 1.1em;
    font-weight: 600;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
}
.um-card-header i {
    color: var(--secondary, #7b5ec7);
}
.um-form {
    padding: 20px 25px;
}
.um-form-row {
    display: flex;
    gap: 15px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.um-form-row .input-group {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
}
.um-form-row .input-group select {
    width: 100%;
    padding: 13px 13px 13px 42px;
    border: 1px solid rgba(var(--primary-rgb), 0.4);
    border-radius: 10px;
    background: rgba(44, 26, 75, 0.8);
    color: #ffffff;
    font-size: 0.95em;
    appearance: none;
    cursor: pointer;
}
.um-form-row .input-group select:focus {
    outline: none;
    border-color: var(--secondary, #7b5ec7);
}
.um-form-row button {
    padding: 13px 25px;
    background: linear-gradient(135deg, var(--primary, #4a2c8a), var(--secondary, #7b5ec7));
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 0.95em;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    white-space: nowrap;
}
.um-form-row button:hover {
    box-shadow: 0 5px 20px rgba(var(--primary-rgb), 0.4);
    transform: translateY(-1px);
}
.um-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
}
.um-table th {
    text-align: left;
    padding: 14px 25px;
    color: var(--muted, #8899c0);
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.15);
}
.um-table td {
    padding: 14px 25px;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.08);
}
.um-table tr:last-child td {
    border-bottom: none;
}
.um-table tr:hover td {
    background: rgba(var(--primary-rgb), 0.08);
}
.sc-card {
    background: rgba(var(--card-bg-rgb), 0.9);
    border-radius: 16px;
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    margin-bottom: 25px;
    width: 100%;
    max-width: 1200px;
    overflow-x: auto;
    animation: fadeIn 0.6s ease;
}
.sc-card-header {
    padding: 18px 25px;
    font-size: 1.1em;
    font-weight: 600;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.15);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sc-card-header i {
    color: var(--secondary, #7b5ec7);
}
.sc-form {
    padding: 20px 25px;
}
.sc-form-row {
    display: flex;
    gap: 15px;
    align-items: flex-end;
    flex-wrap: wrap;
}
.sc-form-row .input-group {
    flex: 1;
    min-width: 180px;
    margin-bottom: 0;
}
.sc-form-row .input-group select {
    width: 100%;
    padding: 13px 13px 13px 42px;
    border: 1px solid rgba(var(--primary-rgb), 0.4);
    border-radius: 10px;
    background: rgba(44, 26, 75, 0.8);
    color: #ffffff;
    font-size: 0.95em;
    appearance: none;
    cursor: pointer;
}
.sc-form-row .input-group select:focus {
    outline: none;
    border-color: var(--secondary, #7b5ec7);
}
.sc-form-row button {
    padding: 13px 25px;
    background: linear-gradient(135deg, var(--primary, #4a2c8a), var(--secondary, #7b5ec7));
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 0.95em;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    white-space: nowrap;
}
.sc-form-row button:hover {
    box-shadow: 0 5px 20px rgba(var(--primary-rgb), 0.4);
    transform: translateY(-1px);
}
.sc-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
}
.sc-table th {
    text-align: left;
    padding: 14px 25px;
    color: var(--muted, #8899c0);
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.15);
}
.sc-table td {
    padding: 14px 25px;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.08);
}
.sc-table tr:last-child td {
    border-bottom: none;
}
.sc-table tr:hover td {
    background: rgba(var(--primary-rgb), 0.08);
}
.sc-card-body {
    padding: 20px 25px;
    overflow-x: auto;
}
.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px 8px;
    font-size: 1em;
    transition: 0.2s;
    border-radius: 4px;
}
.action-edit {
    color: var(--secondary, #7b5ec7);
}
.action-edit:hover {
    background: rgba(var(--secondary-rgb), 0.15);
}
.action-delete {
    color: #ff6b6b;
}
.action-delete:hover {
    background: rgba(255, 107, 107, 0.15);
}

/* Settings tabs */
.set-tabs { display:flex;gap:4px;margin-bottom:0;width:100%;max-width:1200px;overflow-x:auto;flex-wrap:wrap; }
.set-tab { display:flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px 12px 0 0;font-size:0.85em;font-weight:600;cursor:pointer;transition:0.25s;color:var(--muted,#8899c0);background:rgba(var(--card-bg-rgb),0.4);border:1px solid rgba(var(--primary-rgb),0.1);border-bottom:none;white-space:nowrap; }
.set-tab:hover { background:rgba(var(--card-bg-rgb),0.7);color:#fff; }
.set-tab.active { background:rgba(var(--card-bg-rgb),0.95);color:#fff;border-color:rgba(var(--primary-rgb),0.25); }
.set-tab i { font-size:1em;color:var(--secondary,#7b5ec7); }
.set-tab.active i { color:var(--secondary,#7b5ec7); }
.set-tab.danger { color:#ff6b6b; }
.set-tab.danger i { color:#ff6b6b; }
.set-tab.danger.active { border-color:rgba(255,107,107,0.3); }
.set-panel { display:none;width:100%;max-width:1200px;background:rgba(var(--card-bg-rgb),0.95);border-radius:0 16px 16px 16px;border:1px solid rgba(var(--primary-rgb),0.2);padding:24px 28px;animation:panelIn 0.3s ease;margin-bottom:25px; }
.set-panel.active { display:block; }
.set-panel:first-of-type.active { border-radius:16px; }
.set-tabs + .set-panel.active { border-radius:0 16px 16px 16px; }
@keyframes panelIn { from{opacity:0;transform:translateY(-6px)} to{opacity:1;transform:translateY(0)} }

/* Hamburger */
.hamburger {
    display: none;
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 1001;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 10px;
    background: rgba(var(--card-bg-rgb), 0.95);
    color: #fff;
    font-size: 1.2em;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    transition: opacity 0.25s;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.hamburger.hidden {
    opacity: 0;
    pointer-events: none;
}
.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: var(--muted, #8899c0);
    font-size: 1.2em;
    cursor: pointer;
    padding: 6px 8px;
    margin-left: auto;
    border-radius: 8px;
    transition: background 0.2s;
}
.sidebar-close:hover {
    background: rgba(255,255,255,0.08);
}
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s;
}
.sidebar-overlay.show {
    opacity: 1;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    .sidebar-close {
        display: block;
    }
    .sidebar-overlay {
        display: block;
        pointer-events: none;
    }
    .sidebar-overlay.show {
        pointer-events: auto;
    }
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 4px 0 30px rgba(0,0,0,0.4);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    body {
        flex-direction: column;
    }
    .main-content {
        padding: 60px 12px 20px;
    }
}