/* ============================================================
   회원가입 + 온보딩 스타일 — "3초 회원가입"
   ============================================================ */

:root {
    --reg-primary: #6366f1;
    --reg-primary-hover: #4f46e5;
    --reg-bg: #f0f2f5;
    --reg-card-bg: #fff;
    --reg-border: #e1e5eb;
    --reg-text: #1e293b;
    --reg-text-muted: #94a3b8;
    --reg-success: #10b981;
    --reg-error: #ef4444;
    --reg-radius: 12px;
    --reg-transition: 0.2s ease;
    --kakao-bg: #FEE500;
    --kakao-text: #3C1E1E;
    --google-bg: #fff;
    --google-border: #dadce0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
    background: var(--reg-bg);
    color: var(--reg-text);
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 40px 16px;
}

/* ─── 컨테이너 ─── */
.reg-container {
    width: 100%;
    max-width: 480px;
    background: var(--reg-card-bg);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    padding: 36px 32px;
    margin: auto;
}
.reg-container.onboarding-mode {
    max-width: 600px;
}

/* ─── 헤더 ─── */
.reg-header {
    text-align: center;
    margin-bottom: 24px;
}
.reg-logo {
    width: 44px;
    height: 44px;
    margin-bottom: 10px;
}
.reg-title {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* ─── 히어로 배지 ─── */
.reg-hero {
    margin-top: 16px;
}
.reg-hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    font-size: 1.3rem;
    font-weight: 900;
    padding: 8px 24px;
    border-radius: 30px;
    letter-spacing: -0.02em;
    animation: heroPulse 2s ease-in-out infinite;
}
@keyframes heroPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}
.reg-hero-text {
    font-size: 0.88rem;
    color: var(--reg-text-muted);
    margin-top: 8px;
}

/* ─── 에러 배너 ─── */
.reg-error-banner {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.85rem;
    color: #b91c1c;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================================
   소셜 로그인 버튼
   ============================================================ */
.social-login-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 2px solid transparent;
}

.social-btn.kakao {
    background: var(--kakao-bg);
    color: var(--kakao-text);
}
.social-btn.kakao:hover {
    background: #f5d900;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(254,229,0,0.4);
}

.social-btn.google {
    background: var(--google-bg);
    color: #3c4043;
    border-color: var(--google-border);
}
.social-btn.google:hover {
    background: #f8f9fa;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.social-btn.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.social-icon {
    flex-shrink: 0;
}

/* ─── 구분선 ─── */
.reg-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    gap: 12px;
}
.reg-divider::before,
.reg-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}
.reg-divider span {
    font-size: 0.8rem;
    color: var(--reg-text-muted);
    font-weight: 500;
}

/* ─── 이메일 가입 토글 ─── */
.email-signup-toggle {
    text-align: center;
    margin-bottom: 16px;
}
.email-toggle-btn {
    background: none;
    border: none;
    font-size: 0.88rem;
    color: #64748b;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.15s;
    font-family: inherit;
}
.email-toggle-btn:hover {
    background: #f1f5f9;
    color: var(--reg-primary);
}
.toggle-arrow {
    transition: transform 0.2s;
}

/* ─── 이메일 가입 폼 ─── */
.email-signup-form {
    border-top: 1px solid #e2e8f0;
    padding-top: 20px;
    animation: slideDown 0.25s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 유형 칩 (이메일 가입용) */
.reg-type-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.reg-type-chip {
    padding: 7px 14px;
    border: 2px solid var(--reg-border);
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}
.reg-type-chip:hover {
    border-color: #c7d2fe;
    background: #f8f9ff;
}
.reg-type-chip.selected {
    background: var(--reg-primary);
    border-color: var(--reg-primary);
    color: #fff;
}

/* ─── 하단 푸터 ─── */
.reg-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #f1f5f9;
}
.reg-footer p {
    font-size: 0.75rem;
    color: var(--reg-text-muted);
    line-height: 1.5;
}
.reg-footer a {
    color: var(--reg-primary);
    text-decoration: none;
}
.reg-footer-links {
    margin-top: 12px;
    font-size: 0.85rem;
    color: #64748b;
}
.reg-footer-links a {
    font-weight: 700;
    margin-left: 4px;
}

/* ─── 체험판 배지 ─── */
.reg-trial-badge,
.ob-trial-badge {
    background: linear-gradient(135deg, #eef2ff, #e8f5e9);
    border: 1px solid #c7d2fe;
    border-radius: 10px;
    padding: 12px 16px;
    text-align: center;
    font-size: 0.85rem;
    color: #4338ca;
    margin-top: 16px;
}
.reg-trial-badge i,
.ob-trial-badge i {
    font-size: 1.05rem;
    vertical-align: middle;
    margin-right: 4px;
}

/* ============================================================
   폼 요소 (기존 유지)
   ============================================================ */
.reg-form {
    max-width: 100%;
}
.reg-form-row {
    margin-bottom: 12px;
}
.reg-form-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 10px;
}
.reg-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 4px;
}
.reg-label .req { color: var(--reg-error); }
.reg-label .opt { color: var(--reg-text-muted); font-weight: 400; }
.reg-input {
    width: 100%;
    padding: 9px 12px;
    border: 2px solid var(--reg-border);
    border-radius: 8px;
    font-size: 0.88rem;
    outline: none;
    transition: border-color var(--reg-transition);
    font-family: inherit;
}
.reg-input:focus { border-color: var(--reg-primary); }
.reg-input.valid { border-color: var(--reg-success); }
.reg-input.invalid { border-color: var(--reg-error); }
.reg-input:disabled { background: #f1f5f9; color: #94a3b8; }

.reg-phone-row {
    display: flex;
    gap: 8px;
}
.reg-phone-row .reg-input { flex: 1; }
.reg-phone-verify {
    display: flex;
    gap: 8px;
    margin-top: 6px;
    align-items: center;
}
.reg-phone-verify .reg-input { flex: 1; }
.reg-timer {
    font-size: 0.82rem;
    color: var(--reg-error);
    font-weight: 600;
    white-space: nowrap;
    min-width: 48px;
}

.reg-field-msg {
    font-size: 0.76rem;
    margin-top: 3px;
    min-height: 16px;
}
.reg-field-msg.center { text-align: center; }
.reg-field-msg.success { color: var(--reg-success); }
.reg-field-msg.error { color: var(--reg-error); }

/* 약관 */
.reg-terms {
    margin: 12px 0 8px;
}
.reg-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.82rem;
    color: #475569;
    cursor: pointer;
}
.reg-checkbox input[type="checkbox"] {
    margin-top: 2px;
    width: 17px;
    height: 17px;
    accent-color: var(--reg-primary);
    cursor: pointer;
}
.reg-checkbox a { color: var(--reg-primary); }

/* 버튼 */
.reg-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--reg-transition);
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
}
.reg-btn.primary {
    background: var(--reg-primary);
    color: #fff;
}
.reg-btn.primary:hover:not(:disabled) { background: var(--reg-primary-hover); }
.reg-btn.primary:disabled { opacity: 0.5; cursor: not-allowed; }
.reg-btn.primary.full { width: 100%; justify-content: center; padding: 12px; }
.reg-btn.secondary {
    background: #f1f5f9;
    color: #475569;
    border-color: #e2e8f0;
}
.reg-btn.secondary:hover { background: #e2e8f0; }
.reg-btn.sm {
    padding: 7px 14px;
    font-size: 0.8rem;
    border-radius: 6px;
    background: var(--reg-primary);
    color: #fff;
    border: none;
}
.reg-btn.sm:hover:not(:disabled) { background: var(--reg-primary-hover); }
.reg-btn.sm:disabled { opacity: 0.5; cursor: not-allowed; }
.reg-btn.sm.outline {
    background: transparent;
    color: var(--reg-primary);
    border: 2px solid var(--reg-primary);
}
.reg-btn.sm.outline:hover { background: #eef2ff; }

/* ============================================================
   온보딩 스타일
   ============================================================ */
.ob-progress {
    margin-bottom: 28px;
}
.ob-progress-bar {
    height: 4px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}
.ob-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--reg-primary), #8b5cf6);
    border-radius: 4px;
    transition: width 0.4s ease;
}
.ob-progress-steps {
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}
.ob-step-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--reg-text-muted);
    transition: all 0.2s;
}
.ob-step-label.active {
    color: var(--reg-primary);
}
.ob-step-label.done {
    color: var(--reg-success);
}

.ob-wizard {
    overflow: hidden;
}
.ob-step {
    display: none;
}
.ob-step.active {
    display: block;
    animation: fadeIn 0.25s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.ob-question {
    font-size: 1.05rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
}
.ob-hint {
    font-size: 0.8rem;
    color: var(--reg-text-muted);
    font-weight: 400;
}

/* 온보딩 카드 그리드 */
.ob-grid {
    display: grid;
    gap: 10px;
}
.ob-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.ob-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

.ob-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 18px 12px;
    border: 2px solid var(--reg-border);
    border-radius: var(--reg-radius);
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
    user-select: none;
}
.ob-card i {
    font-size: 1.6rem;
    color: var(--reg-primary);
}
.ob-card span {
    font-size: 0.88rem;
    font-weight: 600;
}
.ob-card:hover {
    border-color: #c7d2fe;
    background: #f8f9ff;
    transform: translateY(-2px);
}
.ob-card.selected {
    border-color: var(--reg-primary);
    background: #eef2ff;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.ob-card.selected i { color: var(--reg-primary); }

/* 온보딩 칩 */
.ob-grid.chips .ob-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    border: 2px solid var(--reg-border);
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
    text-align: left;
}
.ob-grid.chips.compact .ob-chip {
    padding: 8px 10px;
    font-size: 0.8rem;
}
.ob-chip i {
    font-size: 1rem;
    color: var(--reg-primary);
    flex-shrink: 0;
}
.ob-chip:hover {
    border-color: #c7d2fe;
    background: #f8f9ff;
}
.ob-chip.selected {
    background: var(--reg-primary);
    border-color: var(--reg-primary);
    color: #fff;
}
.ob-chip.selected i { color: #fff; }

/* 온보딩 프로모 */
.ob-promo {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #f1f5f9;
}
.ob-promo-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 6px;
}
.ob-promo-row {
    display: flex;
    gap: 8px;
}
.ob-input {
    flex: 1;
    padding: 8px 12px;
    border: 2px solid var(--reg-border);
    border-radius: 8px;
    font-size: 0.85rem;
    outline: none;
    font-family: inherit;
    transition: border-color 0.15s;
}
.ob-input:focus { border-color: var(--reg-primary); }
.ob-field-msg {
    font-size: 0.76rem;
    margin-top: 3px;
    min-height: 16px;
}
.ob-field-msg.success { color: var(--reg-success); }
.ob-field-msg.error { color: var(--reg-error); }
.ob-field-msg.center { text-align: center; }

/* 온보딩 네비게이션 */
.ob-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
    gap: 12px;
}
.ob-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}
.ob-btn.primary {
    background: var(--reg-primary);
    color: #fff;
}
.ob-btn.primary:hover:not(:disabled) { background: var(--reg-primary-hover); }
.ob-btn.primary:disabled { opacity: 0.5; cursor: not-allowed; }
.ob-btn.primary.highlight {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    font-size: 0.95rem;
    padding: 12px 28px;
}
.ob-btn.primary.highlight:hover:not(:disabled) {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}
.ob-btn.secondary {
    background: #f1f5f9;
    color: #475569;
    border-color: #e2e8f0;
}
.ob-btn.secondary:hover { background: #e2e8f0; }
.ob-btn.sm {
    padding: 7px 14px;
    font-size: 0.8rem;
    border-radius: 6px;
    background: var(--reg-primary);
    color: #fff;
    border: none;
}
.ob-btn.sm.outline {
    background: transparent;
    color: var(--reg-primary);
    border: 2px solid var(--reg-primary);
}
.ob-btn.sm.outline:hover { background: #eef2ff; }

/* ============================================================
   반응형
   ============================================================ */
@media (max-width: 600px) {
    .reg-container { padding: 24px 18px; }
    .ob-grid.cols-2 { grid-template-columns: 1fr 1fr; }
    .ob-grid.cols-3 { grid-template-columns: 1fr 1fr; }
    .reg-form-cols { grid-template-columns: 1fr; }
    .reg-hero-badge { font-size: 1.1rem; padding: 6px 18px; }
}
@media (max-width: 420px) {
    .reg-container { padding: 20px 14px; }
    .ob-grid.cols-3 { grid-template-columns: 1fr 1fr; }
    .social-btn { font-size: 0.88rem; padding: 12px 16px; }
    .reg-phone-row { flex-direction: column; }
    .reg-phone-verify { flex-direction: column; }
}