/* ============================================
   REGISTRATION MODAL - Advanced Video Editing Course
   Palette: Cinematic Dark Obsidian + Amber-Gold (#F4B942) + Royal Purple (#9255FF)
   ============================================ */

/* === Modal Container === */
.reg-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

.reg-modal.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* === Modal Backdrop with Blur === */
.reg-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(6, 4, 14, 0.88);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    cursor: pointer;
}

/* === Modal Dialog Shell === */
.reg-modal-dialog {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 640px;
    max-height: 92vh;
    background: #12111F;
    border: 1px solid rgba(146, 85, 255, 0.35);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.92), 
                0 0 50px rgba(146, 85, 255, 0.18),
                0 0 25px rgba(244, 185, 66, 0.12);
    transform: scale(0.92) translateY(20px);
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.reg-modal.active .reg-modal-dialog {
    transform: scale(1) translateY(0);
}

/* === Close Button === */
.reg-modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(25, 23, 41, 0.85);
    border: 1px solid var(--border-color, #29263A);
    color: var(--text-primary, #F5F3FA);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20;
    transition: background 0.2s, transform 0.25s, color 0.2s, border-color 0.2s;
    outline: none;
}

.reg-modal-close:hover {
    background: var(--gold-primary, #F4B942);
    color: #17120A;
    border-color: var(--gold-primary, #F4B942);
    transform: rotate(90deg);
}

.reg-modal-close:focus-visible {
    outline: 2px solid var(--gold-primary, #F4B942);
    outline-offset: 2px;
}

/* === Modal Header === */
.reg-modal-header {
    padding: 24px 28px 18px;
    background: linear-gradient(180deg, #161427 0%, #12111F 100%);
    border-bottom: 1px solid rgba(41, 38, 58, 0.7);
    flex-shrink: 0;
    position: relative;
}

.reg-modal-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 4px 12px;
    background: rgba(244, 185, 66, 0.12);
    border: 1px solid rgba(244, 185, 66, 0.32);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: var(--gold-primary, #F4B942);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.reg-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold-primary, #F4B942);
    box-shadow: 0 0 8px var(--gold-primary, #F4B942);
    animation: reg-pulse 2s infinite;
}

@keyframes reg-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.reg-modal-title {
    font-family: var(--font-heading, 'Plus Jakarta Sans', sans-serif);
    font-size: 22px;
    font-weight: 800;
    color: #F5F3FA;
    letter-spacing: -0.02em;
    margin: 0 0 4px;
    line-height: 1.25;
    padding-right: 40px; /* Space for close button */
}

.reg-modal-subtitle {
    font-size: 13px;
    color: var(--text-secondary, #B8B4C7);
    margin: 0 0 16px;
    line-height: 1.4;
}

/* === Progress Bar === */
.reg-progress-wrapper {
    margin-top: 8px;
}

.reg-progress-track {
    width: 100%;
    height: 6px;
    background: rgba(41, 38, 58, 0.9);
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}

.reg-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #9255FF 0%, #F4B942 100%);
    border-radius: 999px;
    transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 0 10px rgba(244, 185, 66, 0.4);
}

.reg-progress-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted, #858198);
    margin-top: 6px;
}

#reg-progress-percent {
    color: var(--gold-primary, #F4B942);
}

/* === Modal Scrollable Body === */
.reg-modal-body {
    padding: 24px 28px;
    overflow-y: auto;
    overscroll-behavior: contain;
    flex-grow: 1;
}

/* Sleek Dark Scrollbar */
.reg-modal-body::-webkit-scrollbar {
    width: 6px;
}

.reg-modal-body::-webkit-scrollbar-track {
    background: rgba(25, 23, 41, 0.5);
    border-radius: 999px;
}

.reg-modal-body::-webkit-scrollbar-thumb {
    background: rgba(146, 85, 255, 0.35);
    border-radius: 999px;
}

.reg-modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(244, 185, 66, 0.6);
}

/* === Question Blocks === */
.reg-question-block {
    background: rgba(25, 23, 41, 0.55);
    border: 1px solid var(--border-color, #29263A);
    border-radius: 16px;
    padding: 18px 20px;
    margin-bottom: 20px;
    transition: border-color 0.25s, box-shadow 0.25s, background-color 0.25s;
}

.reg-question-block:hover {
    border-color: rgba(146, 85, 255, 0.4);
}

.reg-question-block.focused {
    border-color: rgba(146, 85, 255, 0.6);
    box-shadow: 0 0 16px rgba(146, 85, 255, 0.15);
}

.reg-question-block.has-error {
    border-color: #FF5E5E !important;
    background: rgba(255, 94, 94, 0.06) !important;
    animation: reg-shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes reg-shake {
    10%, 90% { transform: translateX(-2px); }
    20%, 80% { transform: translateX(3px); }
    30%, 50%, 70% { transform: translateX(-4px); }
    40%, 60% { transform: translateX(4px); }
}

.reg-question-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.reg-q-num {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(146, 85, 255, 0.18);
    border: 1px solid rgba(146, 85, 255, 0.4);
    color: var(--purple-300, #B69AFF);
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.reg-question-block.answered .reg-q-num {
    background: var(--gold-primary, #F4B942);
    border-color: var(--gold-primary, #F4B942);
    color: #17120A;
}

.reg-q-label {
    font-family: var(--font-heading, 'Plus Jakarta Sans', sans-serif);
    font-size: 15px;
    font-weight: 700;
    color: #F5F3FA;
    line-height: 1.35;
    cursor: default;
}

.reg-required {
    color: var(--gold-primary, #F4B942);
    font-weight: bold;
}

/* === Options Grid (Pill Cards) === */
.reg-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.reg-options-grid.reg-grid-1 {
    grid-template-columns: 1fr;
}

.reg-option {
    position: relative;
    cursor: pointer;
    display: block;
    user-select: none;
}

.reg-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.reg-option-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: #191729;
    border: 1px solid var(--border-color, #29263A);
    border-radius: 12px;
    color: var(--text-secondary, #B8B4C7);
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.3;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.reg-option:hover .reg-option-card {
    border-color: var(--purple-400, #9255FF);
    background: #201D33;
    color: #F5F3FA;
    transform: translateY(-1px);
}

/* Checked State */
.reg-option input[type="radio"]:checked + .reg-option-card {
    background: linear-gradient(135deg, rgba(244, 185, 66, 0.16) 0%, rgba(146, 85, 255, 0.18) 100%);
    border-color: var(--gold-primary, #F4B942);
    color: #FFFFFF;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(244, 185, 66, 0.18);
    transform: translateY(-1px);
}

/* Custom Radio Dot */
.reg-radio-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid #858198;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.reg-radio-dot::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: transparent;
    transition: background-color 0.2s, transform 0.2s;
}

.reg-option:hover .reg-radio-dot {
    border-color: var(--purple-300, #B69AFF);
}

.reg-option input[type="radio"]:checked + .reg-option-card .reg-radio-dot {
    border-color: var(--gold-primary, #F4B942);
    background: var(--gold-primary, #F4B942);
}

.reg-option input[type="radio"]:checked + .reg-option-card .reg-radio-dot::after {
    background: #17120A;
    transform: scale(1.1);
}

/* Option span 2 columns if odd child or other */
.reg-option-other {
    grid-column: span 2;
}

/* Other specify input */
.reg-other-input-wrap {
    margin-top: 10px;
    animation: reg-fade-slide 0.25s ease-out;
}

@keyframes reg-fade-slide {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Error message */
.reg-error-msg {
    display: none;
    color: #FF7B7B;
    font-size: 12px;
    font-weight: 600;
    margin-top: 8px;
    padding-left: 4px;
}

.reg-question-block.has-error .reg-error-msg {
    display: block;
}

/* === Details Fields (Q5) === */
.reg-inputs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.reg-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.reg-field-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary, #B8B4C7);
}

.reg-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.reg-field-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted, #858198);
    pointer-events: none;
    transition: color 0.2s;
}

.reg-text-input {
    width: 100%;
    height: 48px;
    background: #191729;
    border: 1px solid var(--border-color, #29263A);
    border-radius: 12px;
    padding: 0 14px 0 42px;
    font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
    font-size: 14px;
    color: #F5F3FA;
    outline: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.reg-other-input-wrap .reg-text-input {
    padding-left: 14px;
    height: 44px;
    background: #141323;
}

.reg-text-input::placeholder {
    color: #6C6882;
}

.reg-text-input:hover {
    border-color: rgba(146, 85, 255, 0.4);
    background: #201D33;
}

.reg-text-input:focus {
    border-color: var(--gold-primary, #F4B942);
    background: #201D33;
    box-shadow: 0 0 0 3px rgba(244, 185, 66, 0.18);
}

.reg-input-wrapper:focus-within .reg-field-icon {
    color: var(--gold-primary, #F4B942);
}

.reg-field.has-error .reg-text-input {
    border-color: #FF5E5E;
    background: rgba(255, 94, 94, 0.06);
}

.reg-field.has-error .reg-error-msg {
    display: block;
}

/* === Modal Actions / Submit === */
.reg-modal-actions {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.reg-submit-btn {
    width: 100%;
    height: 52px;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    border: none;
}

.reg-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.reg-btn-icon {
    transition: transform 0.2s;
}

.reg-submit-btn:hover .reg-btn-icon {
    transform: translateX(4px);
}

/* Spinner state for submit */
.reg-submit-btn.loading .reg-btn-text,
.reg-submit-btn.loading .reg-btn-icon {
    opacity: 0;
}

.reg-submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    border: 3px solid rgba(23, 18, 10, 0.3);
    border-top-color: #17120A;
    border-radius: 50%;
    animation: reg-spin 0.7s linear infinite;
}

@keyframes reg-spin {
    to { transform: rotate(360deg); }
}

.reg-trust-note {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    color: var(--text-muted, #858198);
    text-align: center;
    line-height: 1.4;
}

.reg-trust-note svg {
    color: var(--gold-primary, #F4B942);
    flex-shrink: 0;
}

/* === Success State Card === */
.reg-success-card {
    text-align: center;
    padding: 20px 10px 10px;
    animation: reg-fade-in 0.4s ease-out;
}

@keyframes reg-fade-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.reg-success-icon-wrap {
    position: relative;
    width: 76px;
    height: 76px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reg-success-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(244, 185, 66, 0.25) 0%, transparent 70%);
    animation: reg-pulse 2.2s infinite;
}

.reg-success-check {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FFD580 0%, #E5A52E 100%);
    color: #17120A;
    padding: 14px;
    box-shadow: 0 8px 30px rgba(244, 185, 66, 0.4);
}

.reg-success-title {
    font-family: var(--font-heading, 'Plus Jakarta Sans', sans-serif);
    font-size: 24px;
    font-weight: 800;
    color: #F5F3FA;
    margin: 0 0 10px;
    letter-spacing: -0.02em;
}

.reg-success-desc {
    font-size: 14px;
    color: var(--text-secondary, #B8B4C7);
    line-height: 1.5;
    max-width: 460px;
    margin: 0 auto 20px;
}

.reg-success-desc strong {
    color: #FFFFFF;
}

.reg-success-details-box {
    background: rgba(25, 23, 41, 0.8);
    border: 1px solid var(--border-color, #29263A);
    border-radius: 14px;
    padding: 14px 20px;
    max-width: 440px;
    margin: 0 auto 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.reg-success-detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.reg-detail-label {
    color: var(--text-muted, #858198);
}

.reg-detail-val {
    font-weight: 600;
    color: var(--gold-primary, #F4B942);
}

.reg-success-subnote {
    font-size: 12.5px;
    color: var(--text-muted, #858198);
    line-height: 1.45;
    max-width: 420px;
    margin: 0 auto 24px;
}

.reg-success-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 380px;
    margin: 0 auto;
}

.reg-wa-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 48px;
    background: #25D366;
    color: #062811;
    font-weight: 700;
    font-size: 14.5px;
    border-radius: var(--radius-full, 999px);
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
    transition: transform 0.2s, background-color 0.2s, box-shadow 0.2s;
}

.reg-wa-action-btn:hover {
    background: #22BF5B;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
}

.reg-brochure-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 48px;
    background: linear-gradient(135deg, #FFD580 0%, #E5A52E 100%);
    color: #17120A;
    font-weight: 700;
    font-size: 14.5px;
    border-radius: var(--radius-full, 999px);
    border: 1px solid rgba(255, 213, 128, 0.6);
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(244, 185, 66, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.reg-brochure-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(244, 185, 66, 0.5);
    color: #17120A;
}

.reg-brochure-action-btn svg {
    stroke: #17120A;
}

.reg-close-btn-secondary {
    height: 44px;
    background: rgba(25, 23, 41, 0.85);
    border: 1px solid var(--border-color, #29263A);
    color: var(--text-secondary, #B8B4C7);
    border-radius: var(--radius-full, 999px);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.reg-close-btn-secondary:hover {
    background: #221F38;
    color: #FFFFFF;
    border-color: rgba(146, 85, 255, 0.4);
}

/* === Responsive Breakpoints === */
@media (max-width: 640px) {
    .reg-modal {
        padding: 10px;
    }
    
    .reg-modal-dialog {
        max-height: 94vh;
        border-radius: 20px;
    }

    .reg-modal-header {
        padding: 20px 20px 14px;
    }

    .reg-modal-title {
        font-size: 19px;
        padding-right: 36px;
    }

    .reg-modal-body {
        padding: 18px 18px;
    }

    .reg-options-grid {
        grid-template-columns: 1fr;
    }

    .reg-option-other {
        grid-column: span 1;
    }

    .reg-question-block {
        padding: 14px 14px;
        margin-bottom: 16px;
    }

    .reg-q-label {
        font-size: 14px;
    }
}