:root {
    --reg-bg: #f8fafc;
    --reg-white: #ffffff;
    --reg-primary: #159C33;
    /* Naraya Green */
    --reg-primary-soft: #f0fdf4;
    --reg-primary-glow: rgba(21, 156, 51, 0.1);
    --reg-text: #0f172a;
    --reg-muted: #64748b;
    --reg-border: #e2e8f0;
    --reg-radius-lg: 24px;
    --reg-radius-md: 16px;
    --reg-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
}

.d-none {
    display: none !important;
}

.reg-body {
    background-color: var(--reg-bg);
    padding-top: 170px;
    padding-bottom: 120px;
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
}

.reg-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 30px;
}

/* --- Header Section --- */
.reg-header {
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.header-info {
    display: flex;
    align-items: center;
}

.back-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--reg-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--reg-muted);
    margin-right: 20px;
    transition: all 0.3s;
    text-decoration: none;
    background: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}

.back-btn:hover {
    color: var(--reg-primary);
    border-color: var(--reg-primary);
    transform: translateX(-5px);
}

/* --- Step Indicator (Mini) --- */
.reg-steps {
    display: flex;
    gap: 15px;
    background: white;
    padding: 8px 18px;
    border-radius: 50px;
    border: 1px solid var(--reg-border);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
}

.step {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 800;
    color: var(--reg-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.step.active {
    color: var(--reg-primary);
}

.step-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #e2e8f0;
}

.step.active .step-dot {
    background: var(--reg-primary);
    box-shadow: 0 0 0 3px var(--reg-primary-glow);
}

.reg-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 50px;
    align-items: start;
}

@media (max-width: 1200px) {
    .reg-grid {
        gap: 30px;
        grid-template-columns: 1fr 360px;
    }
}

@media (max-width: 1100px) {
    .reg-grid {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }
    .reg-sidebar {
        position: relative !important;
        top: 0 !important;
        margin-top: 10px;
        margin-bottom: 60px;
    }
}

/* --- Components --- */
.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--reg-text);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.5px;
}

.section-title i {
    width: 38px;
    height: 38px;
    background: var(--reg-primary-glow);
    color: var(--reg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 1rem;
}

.reg-card {
    background: var(--reg-white);
    border-radius: var(--reg-radius-lg);
    padding: 30px;
    box-shadow: var(--reg-shadow);
    margin-bottom: 30px;
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.reg-alert {
    padding: 15px 20px;
    border-radius: 14px;
    font-size: 13px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f0f9ff;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

/* --- Ticket Selection --- */
.ticket-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ticket-item {
    padding: 24px 30px;
    border: 2px solid var(--reg-border);
    border-radius: var(--reg-radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    position: relative;
}

.ticket-item:hover {
    border-color: var(--reg-primary);
    background: var(--reg-primary-soft);
    transform: translateY(-2px);
}

.ticket-info h6 {
    margin: 0 0 5px 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
}

.price-tag {
    font-size: 1.1rem;
    color: var(--reg-primary);
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stock-tag {
    font-size: 11px;
    color: #ef4444;
    font-weight: 700;
    background: #fee2e2;
    padding: 2px 8px;
    border-radius: 4px;
}

/* --- Quantity Controls --- */
.qty-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f1f5f9;
    padding: 5px;
    border-radius: 50px;
}

.qty-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: white;
    color: var(--reg-text);
    font-weight: 900;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    font-size: 1.1rem;
}

.qty-btn:hover {
    background: var(--reg-primary);
    color: white;
}

.qty-val {
    width: 44px;
    text-align: center;
    font-weight: 800;
    border: none;
    background: transparent;
    font-size: 16px;
    color: var(--reg-text);
}

/* --- Forms --- */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-size: 12px;
    font-weight: 800;
    color: var(--reg-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    height: 56px;
    padding: 0 20px;
    border-radius: 12px;
    border: 2px solid #f1f5f9;
    background: #f1f5f9;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
    color: var(--reg-text);
}

textarea.form-control {
    height: auto;
    padding: 20px;
}

.form-control:focus {
    outline: none;
    border-color: var(--reg-primary);
    background: white;
    box-shadow: 0 0 0 4px var(--reg-primary-glow);
}

/* --- Accordion --- */
.acc-item {
    border: 1px solid var(--reg-border);
    border-radius: var(--reg-radius-md);
    margin-bottom: 15px;
    overflow: hidden;
    background: white;
    transition: 0.3s;
}

.acc-header {
    padding: 22px 30px;
    background: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 900;
    font-family: 'Montserrat', sans-serif;
    border-bottom: 1px solid transparent;
}

.acc-header.active {
    border-bottom-color: var(--reg-border);
    border-left: 6px solid #f97316;
    color: var(--reg-primary);
}

.acc-content {
    padding: 35px;
    display: none;
}

.acc-content.show {
    display: block;
}

/* --- Summary Sidebar --- */
.reg-sidebar {
    position: sticky;
    top: 140px;
    align-self: start;
    margin-bottom: 70px;
}

.summary-box {
    background: var(--reg-white);
    border-radius: var(--reg-radius-lg);
    padding: 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.02);
}

.summary-total {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--reg-border);
}

.total-label {
    font-size: 10px;
    font-weight: 800;
    color: var(--reg-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.collapse-content {
    display: none;
    overflow: hidden;
    transition: max-height 0.7s ease-out;
}

.collapse-content.show {
    display: block;
}

.rotate-180 {
    transform: rotate(180deg);
}

.total-val {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--reg-primary);
    letter-spacing: -1.5px;
    margin: 5px 0;
    line-height: 1;
}

.submit-btn {
    width: 100%;
    background: var(--reg-primary);
    color: white;
    border: none;
    height: 70px;
    border-radius: 50px;
    font-weight: 900;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    margin-top: 30px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.submit-btn:hover {
    background: #0f7a26;
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(21, 156, 51, 0.2);
}

.badge {
    font-size: 10px;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 900;
    text-transform: uppercase;
}

.bg-warning {
    background: #fff8e1;
    color: #b45309;
}

.bg-info {
    background: #f0fdf4;
    color: #166534;
}

.bg-success {
    background: #dcfce7;
    color: #166534;
}

/* --- PERBAIKAN MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
    .reg-body {
        padding-top: 130px;
        padding-bottom: 60px;
    }

    .reg-container {
        padding: 0 15px;
    }

    .reg-header {
        margin-bottom: 25px;
        gap: 15px;
    }

    .reg-header h1 {
        font-size: 1.6rem !important;
        letter-spacing: -0.5px !important;
    }

    .back-btn {
        width: 40px;
        height: 40px;
        margin-right: 12px;
    }

    .reg-steps {
        display: none;
    }

    .section-title {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }

    .section-title i {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

    .reg-card {
        padding: 20px 15px;
        border-radius: 20px;
    }

    .ticket-item {
        padding: 15px;
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .ticket-info h6 {
        font-size: 1rem;
    }

    .price-tag {
        font-size: 1rem;
        flex-wrap: wrap;
    }

    .qty-controls {
        width: 100%;
        justify-content: space-between;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .form-control {
        height: 50px;
        font-size: 14px;
    }

    .acc-header {
        padding: 15px 15px;
        font-size: 0.9rem;
    }

    .acc-content {
        padding: 20px 15px;
    }

    .reg-sidebar {
        position: relative !important;
        top: 0 !important;
        margin-bottom: 30px;
        width: 100%;
        z-index: 1;
    }

    .summary-box {
        padding: 25px 20px;
        border-radius: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }

    .summary-box .mb-4 > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    .total-val {
        font-size: 1.8rem;
        margin: 10px 0;
    }

    .submit-btn {
        height: 60px;
        font-size: 1rem;
        margin-top: 20px;
    }

    /* Memastikan Card tidak melebar jika isi bertambah */
    .reg-card, .ticket-item, .summary-box, .section-title {
        max-width: 100% !important;
        overflow-x: hidden !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .form-row {
        display: flex !important;
        flex-direction: column !important;
        gap: 15px !important;
    }

    .form-control {
        width: 100% !important;
    }
}

@media (max-width: 768px) {
    .ticket-info { width: 100%; }
    .qty-controls { width: 100%; margin-top: 10px; }
}

/* --- TICKET STATUS (LOCKED & SOLD OUT) --- */
.ticket-item.disabled-cat, .ticket-item.sold-out {
    position: relative;
    overflow: hidden;
}

/* Ribbon LOCKED (Hanya jika TIDAK Sold Out) */
.ticket-item.disabled-cat:not(.sold-out)::before {
    content: 'LOCKED';
    position: absolute;
    top: 10px;
    right: -25px;
    width: 100px;
    background: #64748b;
    color: white;
    padding: 3px 0;
    font-size: 9px;
    font-weight: 900;
    transform: rotate(45deg);
    text-align: center;
    z-index: 5;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Style Locked secara umum */
.ticket-item.disabled-cat {
    opacity: 0.5;
    background: #f8fafc !important;
    filter: grayscale(1);
}

/* --- SOLD OUT DESIGN (HORIZONTAL CENTER) --- */
.sold-out-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 15;
    background: rgba(255, 255, 255, 0.4);
    pointer-events: none;
}

.ticket-item.sold-out .sold-out-overlay {
    display: flex !important;
}

.ticket-item.sold-out .sold-out-overlay::after {
    content: 'TIDAK TERSEDIA / SOLD OUT';
    width: 100%;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    padding: 8px 0;
    font-size: 11px;
    font-weight: 900;
    text-align: center;
    letter-spacing: 2px;
    text-transform: uppercase;
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.2);
}

.ticket-item.sold-out {
    opacity: 0.7;
    filter: grayscale(1);
    background: #f1f5f9 !important;
    border: 1px dashed #cbd5e1 !important;
}

.ticket-item.sold-out .qty-controls {
    display: none !important;
}

@media (max-width: 768px) {
    .ticket-item.sold-out .sold-out-overlay::after {
        font-size: 9px;
        padding: 6px 0;
        letter-spacing: 1px;
    }
}