/**
 * /app/assets/css/pages/auth.css — 인증 페이지 통합 (단계-33)
 *
 * 사용 페이지:
 *   /app/auth/login.php, register.php, profile.php, password_change.php,
 *   /app/auth/2fa.php, confirm.php, password_reset.php
 *
 * 디자인 보존 위해 인라인 스타일 → 클래스로 분리 (점진).
 * 인라인 동시 유지 → 디자인 차이 0 보장.
 */

.kp-auth-page { max-width: 420px; margin: 30px auto; padding: 0 20px; }
.kp-auth-page.wide { max-width: 480px; }
.kp-auth-page.profile { max-width: 880px; padding: 32px 0; }

.kp-auth-header { text-align: center; margin-bottom: 24px; }
.kp-auth-header h1 {
    font-size: var(--kdca-text-2xl);
    font-weight: 900;
    margin: 0 0 6px;
    background: var(--kdca-grad-hero);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.kp-auth-header h1 i {
    color: var(--kdca-red);
    -webkit-text-fill-color: var(--kdca-red);
}
.kp-auth-header p {
    color: var(--kdca-text-muted);
    font-size: var(--kdca-text-base);
    margin: 0;
}

.kp-auth-card {
    background: var(--kdca-surface);
    padding: 28px;
    border-radius: var(--kdca-radius-lg);
    box-shadow: var(--kdca-shadow-md);
    border: 1px solid var(--kdca-border);
}

.kp-auth-msg {
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: var(--kdca-radius-md);
    font-size: var(--kdca-text-base);
}
.kp-auth-msg.error { background: #fee; color: var(--kdca-danger); border: 1px solid #fcc; }
.kp-auth-msg.ok    { background: #efe; color: var(--kdca-success); border: 1px solid #cfc; }
.kp-auth-msg.info  { background: #fff3cd; color: var(--kdca-warning); border: 1px solid #ffe69c; }

.kp-auth-field { margin-bottom: 14px; }
.kp-auth-field label {
    display: block;
    font-size: var(--kdca-text-sm);
    color: var(--kdca-text-muted);
    margin-bottom: 6px;
    font-weight: 500;
}
.kp-auth-field label .req { color: var(--kdca-red); }
.kp-auth-field label .hint { font-weight: 400; font-size: var(--kdca-text-xs); }
.kp-auth-field input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--kdca-border);
    border-radius: var(--kdca-radius-md);
    font-size: var(--kdca-text-md);
    transition: border-color var(--kdca-trans);
}
.kp-auth-field input:focus {
    outline: 0;
    border-color: var(--kdca-red);
}
.kp-auth-field input[readonly] {
    background: var(--kdca-gray-50);
    color: var(--kdca-text-muted);
}

.kp-auth-btn {
    width: 100%;
    padding: 13px;
    background: var(--kdca-grad-brand);
    color: #fff;
    border: 0;
    border-radius: var(--kdca-radius-md);
    font-size: var(--kdca-text-md);
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(228,27,69,0.3);
    transition: transform var(--kdca-trans);
}
.kp-auth-btn:hover:not(:disabled) { transform: translateY(-1px); }
.kp-auth-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.kp-auth-divider {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--kdca-border);
    font-size: var(--kdca-text-sm);
    text-align: center;
}
.kp-auth-divider.flex { display: flex; justify-content: space-between; align-items: center; }
.kp-auth-divider a { color: var(--kdca-text-muted); }
.kp-auth-divider a.accent { color: var(--kdca-red); font-weight: 700; }

.kp-auth-note {
    text-align: center;
    margin-top: 16px;
    font-size: var(--kdca-text-xs);
    color: var(--kdca-gray-400);
}

/* 2FA 전용 */
.kp-2fa-otp-input {
    width: 200px;
    padding: 14px;
    text-align: center;
    font-size: var(--kdca-text-2xl);
    letter-spacing: 6px;
    border: 2px solid var(--kdca-border);
    border-radius: var(--kdca-radius-md);
    font-family: var(--kdca-font-mono);
}

.kp-2fa-qr {
    display: inline-block;
    padding: 12px;
    background: var(--kdca-surface);
    border: 1px solid var(--kdca-border);
    border-radius: var(--kdca-radius-md);
}

.kp-2fa-secret {
    display: inline-block;
    padding: 8px 14px;
    background: var(--kdca-gray-50);
    border: 1px solid var(--kdca-border);
    border-radius: var(--kdca-radius-sm);
    font-size: var(--kdca-text-base);
    word-break: break-all;
    user-select: all;
    font-family: var(--kdca-font-mono);
}

.kp-2fa-backup {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    max-width: 300px;
    margin: 0 auto;
}

.kp-2fa-backup code {
    padding: 8px;
    background: var(--kdca-gray-50);
    border: 1px solid var(--kdca-border);
    border-radius: var(--kdca-radius-sm);
    font-family: var(--kdca-font-mono);
    user-select: all;
}

/* 프로필 */
.kp-profile-card {
    background: var(--kdca-grad-brand);
    color: #fff;
    padding: 24px;
    border-radius: var(--kdca-radius-lg);
    margin-bottom: 16px;
    box-shadow: 0 4px 16px rgba(228,27,69,0.2);
}
.kp-profile-wallets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.kp-profile-wallets > div {
    background: var(--kdca-surface);
    padding: 18px;
    border-radius: var(--kdca-radius-md);
    border: 1px solid var(--kdca-border);
    box-shadow: var(--kdca-shadow-xs);
}
.kp-profile-wallets .lbl {
    font-size: var(--kdca-text-sm);
    color: var(--kdca-text-muted);
    margin-bottom: 4px;
}
.kp-profile-wallets .val {
    font-size: var(--kdca-text-xl);
    font-weight: 900;
}

@media (max-width: 480px) {
    .kp-auth-page { padding: 20px 16px; }
    .kp-auth-card { padding: 20px; }
    .kp-2fa-otp-input { width: 100%; }
}