/* =========================================================
   인증 페이지 공통 (login, signup, find-password)
   ========================================================= */

.auth-main { flex: 1; padding: 3rem 0; display: flex; align-items: center; }
.auth-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 12px 32px rgba(15,23,42,0.06); display: grid; grid-template-columns: 1fr 1fr; max-width: 880px; margin: 0 auto; }

/* 좌측 히어로 */
.auth-hero { background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%); color: white; padding: 2.6rem 2.4rem; display: flex; flex-direction: column; }
.auth-hero-eyebrow { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.78rem; font-weight: 600; padding: 0.3rem 0.8rem; background: rgba(255,255,255,0.18); border-radius: 999px; margin-bottom: 1.1rem; align-self: flex-start; }
.auth-hero-eyebrow .dot { width: 7px; height: 7px; background: var(--accent); border-radius: 50%; }
.auth-hero h2 { font-size: 1.65rem; font-weight: 800; line-height: 1.35; margin: 0 0 0.7rem; letter-spacing: -0.03em; }
.auth-hero-sub { font-size: 0.92rem; opacity: 0.85; margin: 0 0 1.6rem; line-height: 1.55; }
.auth-hero-points { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.7rem; }
.auth-hero-points li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.88rem; line-height: 1.5; opacity: 0.95; }
.auth-hero-points i { color: var(--accent); flex-shrink: 0; margin-top: 0.15rem; font-size: 1rem; }
.auth-hero-foot { margin-top: auto; padding-top: 1.6rem; border-top: 1px solid rgba(255,255,255,0.2); display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; opacity: 0.75; }
.auth-hero-foot i { font-size: 0.95rem; }

/* 우측 폼 */
.auth-form { padding: 2.6rem 2.4rem; display: flex; flex-direction: column; }
.auth-form h3 { font-size: 1.4rem; font-weight: 800; margin: 0 0 0.4rem; letter-spacing: -0.02em; }
.auth-form-sub { font-size: 0.88rem; color: var(--muted); margin: 0 0 1.8rem; }

.form-group { margin-bottom: 1.05rem; }
.auth-label { display: block; font-size: 0.83rem; font-weight: 700; color: var(--text); margin: 0 0 0.45rem; }
.auth-label .req { color: var(--urgent); margin-left: 0.15rem; font-weight: 700; }

.input-wrap { position: relative; }
.form-input { width: 100%; padding: 0.85rem 1rem 0.85rem 2.7rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 0.92rem; font-family: inherit; transition: border-color 0.15s, box-shadow 0.15s; }
.form-input:focus { outline: none; border-color: var(--brand); background: var(--card); box-shadow: 0 0 0 3px rgba(79,70,229,0.1); }
.form-input[readonly] { background: var(--brand-soft); color: var(--brand-dark); border-color: var(--brand-soft); }
.input-icon { position: absolute; left: 0.95rem; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 1rem; pointer-events: none; }
.input-wrap:focus-within .input-icon { color: var(--brand); }
.input-toggle { position: absolute; right: 0.7rem; top: 50%; transform: translateY(-50%); background: transparent; border: 0; color: var(--muted); cursor: pointer; padding: 0.4rem; border-radius: var(--radius-sm); transition: color 0.15s; }
.input-toggle:hover { color: var(--brand); }

/* input + 우측 작은 버튼 (인증번호 받기·확인 등) — signup·find-password 공유 */
.input-row { display: flex; gap: 0.55rem; align-items: stretch; }
.input-row .input-wrap { flex: 1; }
.btn-action { background: var(--card); border: 1px solid var(--brand); color: var(--brand); border-radius: var(--radius-sm); padding: 0 1rem; font-size: 0.85rem; font-weight: 700; white-space: nowrap; cursor: pointer; transition: all 0.15s; min-width: 6.5rem; flex-shrink: 0; }
.btn-action:hover:not(:disabled) { background: var(--brand); color: white; }
.btn-action:disabled { background: var(--bg); color: var(--muted); border-color: var(--border); cursor: not-allowed; }
.btn-action.verified { background: var(--safe-soft); border-color: var(--safe); color: var(--safe); cursor: default; }
.btn-action.verified:hover { background: var(--safe-soft); color: var(--safe); }

/* OTP 타이머 + OTP 입력칸 우측 패딩 (타이머 공간) */
.input-timer { position: absolute; right: 0.95rem; top: 50%; transform: translateY(-50%); font-size: 0.82rem; font-weight: 700; color: var(--urgent); font-variant-numeric: tabular-nums; }
.input-timer.expired { color: var(--muted); }
.otp-input { padding-right: 4.5rem; }

/* 폼 힌트 텍스트 (성공·오류 톤) */
.form-hint { font-size: 0.78rem; color: var(--muted); margin: 0.4rem 0 0; line-height: 1.45; display: flex; align-items: center; gap: 0.3rem; }
.form-hint.ok { color: var(--safe); font-weight: 600; }
.form-hint.err { color: var(--urgent); font-weight: 600; }
.form-hint i { font-size: 0.88rem; }

/* 제출 버튼 */
.btn-submit { width: 100%; background: var(--brand); color: white; border: 0; border-radius: var(--radius-sm); padding: 0.95rem 1.2rem; font-size: 0.98rem; font-weight: 700; transition: background 0.15s; display: flex; align-items: center; justify-content: center; gap: 0.5rem; cursor: pointer; margin-top: 0.5rem; }
.btn-submit:hover:not(:disabled) { background: var(--brand-dark); color: white; }
.btn-submit:disabled { background: var(--border); color: var(--muted); cursor: not-allowed; }
.btn-submit i { font-size: 1.05rem; }

/* 가입 안내 / 로그인 안내 줄 */
.signup-line { text-align: center; font-size: 0.86rem; color: var(--muted); margin: 1.4rem 0 0; }
.signup-line a { color: var(--brand); font-weight: 700; text-decoration: none; margin-left: 0.3rem; }
.signup-line a:hover { color: var(--brand-dark); text-decoration: underline; }

@media (max-width: 768px) {
    .auth-main { padding: 1.5rem 0; }
    .auth-card { grid-template-columns: 1fr; max-width: 460px; }
    .auth-hero { padding: 1.8rem 1.6rem; }
    .auth-hero h2 { font-size: 1.35rem; }
    .auth-hero-points { gap: 0.5rem; }
    .auth-hero-points li { font-size: 0.83rem; }
    .auth-hero-foot { padding-top: 1.1rem; }
    .auth-form { padding: 1.8rem 1.6rem; }
    .help-top { font-size: 0.78rem; }
    .help-top .num { display: none; }
    .btn-action { padding: 0.7rem 0.7rem; font-size: 0.83rem; }
    .input-row { flex-direction: column; gap: 0.5rem; }
}