@charset "UTF-8";
@import url('./variables.css');

/* ============================
   로그인 페이지 전용 스타일
   ============================ */

/* ===== 기본 설정 ===== */
.login-page {
    font-family: var(--patent-font-primary);
    background: linear-gradient(135deg, #faf9f8 0%, #f1eeed 50%, #e8e0dc 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
    margin: 0;
}

/* ===== 배경 장식 요소 ===== */
.login-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.login-bg__circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.login-bg__circle--1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(72, 54, 30, 0.15), rgba(107, 79, 42, 0.1));
    top: -200px;
    right: -200px;
    animation: float1 20s ease-in-out infinite;
}

.login-bg__circle--2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(72, 54, 30, 0.1), rgba(78, 44, 3, 0.08));
    bottom: -100px;
    left: -100px;
    animation: float2 25s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 30px) scale(1.05); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.08); }
}

/* 서틀 패턴 배경 */
.login-bg__pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(72, 54, 30, 0.03) 1px, transparent 1px);
    background-size: 32px 32px;
}

/* ===== 메인 컨테이너 ===== */
.login-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 440px;
}

/* ===== 로그인 카드 ===== */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--patent-radius-xl);
    border: 1px solid rgba(72, 54, 30, 0.08);
    box-shadow:
        0 4px 6px rgba(72, 54, 30, 0.02),
        0 12px 24px rgba(72, 54, 30, 0.06),
        0 24px 48px rgba(72, 54, 30, 0.1);
    padding: 48px 40px;
    animation: cardEntry 0.8s var(--ease-out-expo);
}

@keyframes cardEntry {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== 로고 영역 ===== */
.login-card__header {
    margin-bottom: 32px;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.login-logo__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--patent-radius-md);
    background: linear-gradient(135deg, var(--patent-brand), var(--patent-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 16px var(--patent-glow);
    transition: transform 0.4s var(--ease-out-back);
}

.login-logo:hover .login-logo__icon {
    transform: scale(1.05) rotate(-3deg);
}

.login-logo__text {
    display: flex;
    flex-direction: column;
}

.login-logo__title {
    font-size: 22px;
    font-weight: 700;
    color: var(--patent-text-primary);
    letter-spacing: -0.02em;
    margin: 0;
    line-height: 1.2;
}

.login-logo__subtitle {
    font-size: 13px;
    color: var(--patent-text-muted);
    margin: 2px 0 0;
}

/* ===== 환영 메시지 ===== */
.login-card__welcome {
    margin-bottom: 28px;
}

.login-welcome__title {
    font-size: 26px;
    font-weight: 700;
    color: var(--patent-text-primary);
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}

.login-welcome__desc {
    font-size: 14px;
    color: var(--patent-text-secondary);
    margin: 0;
}

/* ===== 에러 메시지 ===== */
.login-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--patent-error-bg);
    border: 1px solid rgba(211, 47, 47, 0.2);
    border-radius: var(--patent-radius-md);
    margin-bottom: 20px;
    color: var(--patent-error);
    font-size: 14px;
    font-weight: 500;
    animation: shakeError 0.5s ease;
}

@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* ===== 입력 필드 ===== */
.login-field {
    margin-bottom: 20px;
}

.login-field__label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--patent-text-primary);
    margin-bottom: 8px;
}

.login-field__input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.login-field__icon {
    position: absolute;
    left: 16px;
    color: var(--patent-text-muted);
    display: flex;
    transition: color 0.3s ease;
    pointer-events: none;
}

.login-field__input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    font-size: 15px;
    font-family: inherit;
    color: var(--patent-text-primary);
    background: var(--patent-bg-main);
    border: 2px solid var(--patent-border);
    border-radius: var(--patent-radius-md);
    transition:
        border-color 0.3s ease,
        box-shadow 0.3s ease,
        background-color 0.3s ease;
    box-sizing: border-box;
}

.login-field__input::placeholder {
    color: var(--patent-text-muted);
}

.login-field__input:hover {
    border-color: rgba(72, 54, 30, 0.25);
}

.login-field__input:focus {
    outline: none;
    border-color: var(--patent-brand);
    background: var(--patent-bg-card);
    box-shadow: 0 0 0 4px var(--patent-glow-light);
}

.login-field__input:focus ~ .login-field__icon,
.login-field__input-wrapper:focus-within .login-field__icon {
    color: var(--patent-brand);
}

/* 비밀번호 토글 버튼 */
.login-field__toggle {
    position: absolute;
    right: 14px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--patent-text-muted);
    display: flex;
    transition: color 0.3s ease;
}

.login-field__toggle:hover {
    color: var(--patent-brand);
}

/* ===== 옵션 영역 ===== */
.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

/* 체크박스 커스텀 */
.login-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.login-checkbox input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.login-checkbox__mark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--patent-border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        background-color 0.25s ease,
        border-color 0.25s ease,
        transform 0.25s var(--ease-out-back);
    flex-shrink: 0;
}

.login-checkbox__mark::after {
    content: '';
    width: 10px;
    height: 6px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg) scale(0);
    transition: transform 0.25s var(--ease-out-back);
    margin-top: -2px;
}

.login-checkbox input:checked + .login-checkbox__mark {
    background: var(--patent-brand);
    border-color: var(--patent-brand);
}

.login-checkbox input:checked + .login-checkbox__mark::after {
    transform: rotate(-45deg) scale(1);
}

.login-checkbox:hover .login-checkbox__mark {
    border-color: var(--patent-brand-light);
    transform: scale(1.05);
}

.login-checkbox__text {
    font-size: 14px;
    color: var(--patent-text-secondary);
}

/* 비밀번호 찾기 링크 */
.login-link {
    font-size: 14px;
    color: var(--patent-brand);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-link:hover {
    color: var(--patent-brand-dark);
    text-decoration: underline;
}

/* ===== 로그인 버튼 ===== */
.login-btn {
    width: 100%;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    color: var(--patent-text-inverse);
    background: linear-gradient(135deg, var(--patent-brand), var(--patent-brand-dark));
    border: none;
    border-radius: var(--patent-radius-md);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition:
        transform 0.3s var(--ease-out-expo),
        box-shadow 0.3s ease,
        filter 0.3s ease;
}

.login-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.15));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--patent-glow);
    filter: brightness(1.05);
}

.login-btn:hover::before {
    opacity: 1;
}

.login-btn:active {
    transform: translateY(0);
    filter: brightness(0.98);
}

.login-btn__text,
.login-btn__loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* 로딩 스피너 */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-btn .animate-spin {
    animation: spin 1s linear infinite;
}

.login-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
    transform: none;
}

.login-btn:disabled:hover {
    box-shadow: none;
    filter: none;
}

/* ===== 푸터 ===== */
.login-card__footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--patent-border-light);
    text-align: center;
}

.login-footer__text {
    font-size: 12px;
    color: var(--patent-text-muted);
    margin: 0;
}

.login-footer__divider {
    margin: 0 8px;
    opacity: 0.5;
}

/* ===== 반응형 ===== */
@media (max-width: 480px) {
    .login-page {
        padding: 16px;
    }

    .login-card {
        padding: 32px 24px;
        border-radius: var(--patent-radius-lg);
    }

    .login-logo {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .login-logo__text {
        align-items: center;
    }

    .login-welcome__title {
        font-size: 22px;
    }

    .login-options {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .login-footer__text {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .login-footer__divider {
        display: none;
    }
}

/* ===== 접근성: Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    .login-card,
    .login-bg__circle,
    .login-btn,
    .login-field__input,
    .login-checkbox__mark,
    .login-logo__icon,
    .login-error {
        animation: none;
        transition: none;
    }
}