/* Các thành phần UI dùng chung (Buttons, Forms, Modals, Badges, Toasts) */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}
.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}
.btn-block {
    display: flex;
    width: 100%;
}
.btn-pink-gradient {
    background: var(--pastel-gradient);
    color: #333333;
    border: 1px solid var(--pastel-pink-border);
    box-shadow: 0 4px 10px rgba(255, 158, 187, 0.22);
}
.btn-pink-gradient:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}
.btn-pink-soft {
    background: var(--pastel-pink-primary);
    color: var(--pastel-pink-deep);
    border-color: var(--pastel-pink-border);
}
.btn-outline-pink {
    background: #fff;
    color: var(--pastel-pink-accent);
    border-color: var(--pastel-pink-border);
}
.btn-danger-gradient {
    background: var(--danger-gradient);
    color: #fff;
}
.btn-danger {
    background: var(--color-danger);
    color: #fff;
}
.btn-admin-primary {
    background: var(--admin-primary-blue);
    color: #fff;
}
.btn-admin-outline {
    background: #fff;
    color: var(--text-main);
    border: 1px solid #CBD5E1;
}

.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.92rem;
}
.form-control {
    width: 100%;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    border: 1.5px solid #E2E8F0;
    background: #fff;
    color: var(--text-main);
    transition: border-color 0.2s ease;
}
.form-control:focus {
    outline: none;
    border-color: var(--pastel-pink-accent);
}
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* Badges & Pills */
.rank-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
}
.badge-pill-pink {
    background: var(--pastel-pink-primary);
    color: var(--pastel-pink-deep);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge-pill-green {
    background: #D1FAE5;
    color: #065F46;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.status-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}
.status-approved { background: #DCFCE7; color: #166534; }
.status-pending  { background: #FEF3C7; color: #92400E; }
.status-rejected { background: #FEE2E2; color: #991B1B; }

/* Alert Banner */
.alert-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    margin: 14px auto;
    max-width: 1168px;
    font-weight: 500;
}
.alert-success { background: #DCFCE7; color: #166534; border: 1px solid #86EFAC; }
.alert-danger  { background: #FEE2E2; color: #991B1B; border: 1px solid #FCA5A5; }
.alert-warning { background: #FEF3C7; color: #92400E; border: 1px solid #FDE68A; }
.alert-close {
    background: transparent;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
}

/* Modal */
.csc-modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(3px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    z-index: 2000;
}
.csc-modal.active {
    display: flex;
}
.csc-modal-Dialog {
    background: #fff;
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 460px;
    border: 2px solid var(--pastel-pink-primary);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    overflow: hidden;
}
.csc-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--pastel-pink-bg);
    border-bottom: 1px solid var(--pastel-pink-border);
}
.csc-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--pastel-pink-deep);
}
.csc-modal-body {
    padding: 20px;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.csc-toast {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    background: #1E293B;
    color: #fff;
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    font-size: 0.9rem;
}
.csc-toast.success { border-left: 5px solid var(--color-success); }
.csc-toast.error   { border-left: 5px solid var(--color-danger); }