:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --gradient-primary: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    --gradient-dark: linear-gradient(180deg, #0c1929 0%, #1e3a5f 100%);
    --white: #ffffff;
    --black: #0f172a;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-600: #475569;
    --gray-800: #1e293b;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1.3;
}

.btn-primary:not(.modal-footer .btn), .ms-btn:not(.modal-footer .btn), .ms-btn-primary:not(.modal-footer .btn), button[type="submit"]:not(.modal-footer button), .submit-btn {
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    border: none !important;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
}

.btn-primary:not(.modal-footer .btn):hover, .ms-btn:not(.modal-footer .btn):hover, .ms-btn-primary:not(.modal-footer .btn):hover, button[type="submit"]:not(.modal-footer button):hover, .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

.btn-secondary:not(.modal-footer .btn), .ms-btn-default:not(.modal-footer .btn) {
    background: var(--gray-100) !important;
    color: var(--gray-700) !important;
    border: 1px solid var(--gray-200) !important;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:not(.modal-footer .btn):hover, .ms-btn-default:not(.modal-footer .btn):hover {
    background: var(--gray-200) !important;
}

.panel, .panel-default, .ms-panel {
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.panel-heading, .ms-panel-heading, .panel-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 16px 24px;
    font-weight: 600;
    border: none;
}

.panel-body, .ms-panel-body {
    padding: 24px;
}

.form-control, .ms-input, input[type="text"], input[type="password"], input[type="email"], input[type="number"], textarea, select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    font-size: 14px;
    font-family: 'Noto Sans SC', sans-serif;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-control:focus, .ms-input:focus, input[type="text"]:focus, input[type="password"]:focus, input[type="email"]:focus, input[type="number"]:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.table, .ms-table, table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Noto Sans SC', sans-serif;
}

.table th, .ms-table th, table th {
    background: var(--gray-50);
    color: var(--gray-700);
    font-weight: 600;
    padding: 14px 16px;
    text-align: left;
    border-bottom: 2px solid var(--gray-200);
}

.table td, .ms-table td, table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-600);
}

.table tr:hover, table tr:hover {
    background: var(--gray-50);
}

.badge, .ms-badge, .label {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success, .ms-badge-success, .label-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.badge-warning, .ms-badge-warning, .label-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.badge-danger, .ms-badge-danger, .label-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.badge-info, .ms-badge-info, .label-info {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
}

.modal-content, .ms-modal-content {
    border-radius: 20px;
    border: none;
    overflow: hidden;
}

.modal-header, .ms-modal-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 20px 24px;
    border: none;
}

.modal-header .close, .ms-modal-header .close {
    color: var(--white);
    opacity: 0.8;
}

.modal-header .close:hover, .ms-modal-header .close:hover {
    opacity: 1;
}

.modal-body, .ms-modal-body {
    padding: 24px;
}

.modal-footer, .ms-modal-footer {
    padding: 16px 24px;
    background: var(--gray-50);
    border: none;
}

.nav-tabs, .ms-nav-tabs {
    border-bottom: 2px solid var(--gray-100);
}

.nav-tabs > li > a, .ms-nav-tabs > li > a {
    color: var(--gray-600);
    font-weight: 500;
    padding: 12px 20px;
    border: none;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-tabs > li > a:hover, .ms-nav-tabs > li > a:hover {
    color: var(--primary);
    border-color: transparent;
}

.nav-tabs > li.active > a, .ms-nav-tabs > li.active > a {
    color: var(--primary);
    border: none;
    border-bottom: 2px solid var(--primary);
    background: transparent;
}

.alert, .ms-alert {
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 14px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #059669;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: #d97706;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #dc2626;
}

.alert-info {
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    color: var(--primary);
}

.pagination > li > a, .pagination > li > span {
    border-radius: 8px;
    margin: 0 4px;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
}

.pagination > li > a:hover {
    background: var(--gray-50);
    border-color: var(--gray-200);
    color: var(--primary);
}

.pagination > .active > a, .pagination > .active > span {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: var(--white);
}

.pagination > .disabled > a, .pagination > .disabled > span {
    color: var(--gray-400);
    background: var(--gray-50);
}

.progress, .ms-progress {
    height: 10px;
    border-radius: 50px;
    background: var(--gray-100);
    overflow: hidden;
}

.progress-bar, .ms-progress-bar {
    background: var(--gradient-primary);
}

.dropdown-menu {
    border-radius: 12px;
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
    padding: 8px;
}

.dropdown-menu > li > a {
    padding: 10px 16px;
    border-radius: 8px;
    color: var(--gray-700);
    font-size: 14px;
}

.dropdown-menu > li > a:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.checkbox-custom, .radio-custom {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-custom input, .radio-custom input {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    accent-color: var(--primary);
}

.text-primary {
    color: var(--primary) !important;
}

.text-success {
    color: #10b981 !important;
}

.text-warning {
    color: #f59e0b !important;
}

.text-danger {
    color: #ef4444 !important;
}

.bg-primary {
    background: var(--gradient-primary) !important;
}

.bg-light {
    background: var(--gray-50) !important;
}

@media (max-width: 768px) {
    .btn-primary, .ms-btn, button[type="submit"] {
        padding: 10px 20px;
        font-size: 13px;
    }

    .panel-body, .modal-body {
        padding: 16px;
    }

    .table th, .table td {
        padding: 10px 12px;
        font-size: 13px;
    }
}