:root {
    --tic-primary: #4f46e5;
    --tic-primary-dark: #4338ca;
    --tic-success: #16a34a;
    --tic-warning: #f59e0b;
    --tic-danger: #ef4444;
    --tic-gray-50: #f9fafb;
    --tic-gray-100: #f3f4f6;
    --tic-gray-200: #e5e7eb;
    --tic-gray-300: #d1d5db;
    --tic-gray-500: #6b7280;
    --tic-gray-700: #374151;
    --tic-gray-900: #111827;
    --tic-radius: 10px
}

.tic-installment-box {
    background: #fff;
    border: 1px solid var(--tic-gray-200);
    border-radius: var(--tic-radius);
    overflow: hidden;
    margin: 24px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, .05);
    transition: transform .2s ease
}

.tic-installment-box:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, .08)
}

.tic-box-header {
    background: linear-gradient(135deg, var(--tic-primary), var(--tic-primary-dark));
    color: #fff;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px
}

.tic-box-header h3 {
    margin: 0;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.01em
}

.tic-icon-wrap {
    background: rgba(255, 255, 255, 0.2);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px
}

.tic-icon-wrap .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px
}

.tic-price-summary {
    padding: 20px;
    background: var(--tic-gray-50);
    border-bottom: 1px solid var(--tic-gray-200)
}

.tic-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 15px;
    color: var(--tic-gray-700)
}

.tic-price-row strong {
    color: var(--tic-gray-900);
    font-size: 17px
}

.tic-price-highlight {
    background: #f0f7ff;
    margin: 12px -20px -20px;
    padding: 12px 20px;
    border-top: 1px solid var(--tic-gray-200)
}

.tic-price-highlight span {
    font-weight: 600;
    color: var(--tic-primary)
}

.tic-schedule {
    padding: 24px 20px
}

.tic-schedule h4 {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 700;
    color: var(--tic-gray-900)
}

.tic-schedule-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px
}

.tic-schedule-table th {
    text-align: left;
    padding: 12px 10px;
    background: var(--tic-gray-100);
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--tic-gray-500);
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--tic-gray-200)
}

.tic-schedule-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--tic-gray-100);
    color: var(--tic-gray-700);
    vertical-align: middle
}

.tic-box-actions {
    padding: 20px;
    background: #fff
}

.tic-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all .2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05)
}

.tic-btn .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px
}

.tic-btn-primary {
    background: var(--tic-primary);
    color: #fff !important
}

.tic-btn-primary:hover {
    background: var(--tic-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2)
}

.tic-btn-large {
    padding: 16px 32px;
    font-size: 17px;
    width: 100%
}

.tic-btn-sm {
    padding: 8px 16px;
    font-size: 13px
}

.tic-status {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase
}

.tic-status-paid {
    background: #f0fdf4;
    color: #166534
}

.tic-status-pending {
    background: #fffbeb;
    color: #92400e
}

.tic-status-overdue {
    background: #fef2f2;
    color: #991b1b
}

.tic-complete-badge {
    background: #f0fdf4;
    color: #166534;
    padding: 16px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid #bbf7d0
}

.tic-student-installments {
    max-width: 1000px;
    margin: 0 auto
}

.tic-student-installments h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--tic-gray-900)
}

.tic-plan-card {
    background: #fff;
    border: 1px solid var(--tic-gray-200);
    border-radius: 12px;
    margin-bottom: 24px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1)
}

.tic-plan-card.tic-plan-locked {
    border: 2px solid var(--tic-danger);
    animation: ticPulse 2s infinite
}

@keyframes ticPulse {
    0% {
        border-color: var(--tic-danger)
    }

    50% {
        border-color: #fecaca
    }

    100% {
        border-color: var(--tic-danger)
    }
}

.tic-plan-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--tic-gray-50);
    border-bottom: 1px solid var(--tic-gray-200)
}

.tic-plan-card-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--tic-gray-900)
}

.tic-lock-banner {
    background: var(--tic-danger);
    color: #fff;
    padding: 14px 24px;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px
}

.tic-badge {
    display: inline-flex;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase
}

.tic-badge-active {
    background: #dcfce7;
    color: #15803d
}

.tic-badge-locked {
    background: #fee2e2;
    color: #b91c1c
}

.tic-badge-completed {
    background: #dbeafe;
    color: #1d4ed8
}

.tic-paid-icon {
    color: var(--tic-success);
    font-size: 20px;
    display: inline-block
}

.tic-locked-overlay {
    background: #fff;
    border: 2px solid #fee2e2;
    border-radius: 16px;
    padding: 48px 24px;
    text-align: center;
    margin: 40px 0;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1)
}

.tic-locked-card {
    max-width: 480px;
    margin: 0 auto
}

.tic-locked-icon {
    font-size: 64px;
    color: var(--tic-danger);
    margin-bottom: 24px;
    line-height: 1
}

.tic-locked-card h3 {
    color: var(--tic-gray-900);
    margin: 0 0 16px;
    font-size: 24px;
    font-weight: 800
}

.tic-locked-card p {
    color: var(--tic-gray-500);
    font-size: 16px;
    line-height: 1.6
}

.tic-cert-verify-wrapper {
    max-width: 560px;
    margin: 40px auto;
    padding: 0 16px
}

.tic-cert-verify-card {
    background: #fff;
    border: 1px solid var(--tic-gray-200);
    border-radius: var(--tic-radius);
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .08)
}

.tic-cert-verify-header {
    text-align: center;
    margin-bottom: 24px;
    color: var(--tic-primary)
}

.tic-cert-verify-header h2 {
    color: var(--tic-gray-900);
    margin: 12px 0 8px;
    font-size: 22px
}

.tic-cert-verify-header p {
    color: var(--tic-gray-500);
    margin: 0
}

.tic-input-group {
    display: flex;
    gap: 8px
}

.tic-input-group input[type="text"] {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--tic-gray-200);
    border-radius: 8px;
    font-size: 15px;
    transition: border-color .2s
}

.tic-input-group input:focus {
    outline: none;
    border-color: var(--tic-primary)
}

.tic-cert-result {
    margin-top: 24px
}

.tic-cert-found {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    padding: 20px
}

.tic-cert-found h3 {
    color: #166534;
    margin: 0 0 12px;
    font-size: 17px
}

.tic-cert-found table {
    width: 100%;
    font-size: 14px
}

.tic-cert-found td {
    padding: 6px 0
}

.tic-cert-found td:first-child {
    color: var(--tic-gray-500);
    width: 40%
}

.tic-cert-not-found {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    color: #991b1b;
    font-weight: 600
}

.tic-empty-state {
    text-align: center;
    padding: 40px;
    color: var(--tic-gray-500)
}

@media (max-width:768px) {
    .tic-input-group {
        flex-direction: column
    }

    .tic-plan-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px
    }

    .tic-schedule-table {
        display: block;
        overflow-x: auto
    }
}