/* 로그인 페이지 (login) 전용 스타일 */

/* 메인 컨테이너 */
.login-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* 로그인 카드 */
.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface-color);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 3rem 2.5rem;
    box-shadow:
        0 20px 60px rgba(30, 64, 175, 0.08),
        0 8px 24px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
    animation: loginCardIn 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes loginCardIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg,
        var(--primary-color) 0%,
        var(--primary-medium) 50%,
        var(--accent-color) 100%);
}

/* 로고 섹션 */
.login-logo-section {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    text-decoration: none;
    margin-bottom: 1rem;
}

.login-logo-icon {
    width: 3rem;
    height: 3rem;
    object-fit: contain;
}

.login-logo-text {
    font-size: 1.75rem;
    font-weight: 900;
    background: linear-gradient(135deg,
        var(--primary-color) 0%,
        var(--primary-medium) 50%,
        var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.login-subtitle {
    font-size: 0.9375rem;
    color: var(--gray-500);
    font-weight: 500;
    margin-top: 0.5rem;
}

/* 폼 그룹 */
.login-form-group {
    margin-bottom: 1.25rem;
}

.login-form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

/* 입력 필드 래퍼 */
.login-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-wrapper > i {
    position: absolute;
    left: 1rem;
    color: var(--gray-400);
    font-size: 1rem;
    transition: color 0.2s ease;
    pointer-events: none;
    z-index: 1;
}

.login-input-wrapper:focus-within > i {
    color: var(--primary-color);
}

.login-input {
    width: 100%;
    padding: 0.875rem 2.75rem 0.875rem 2.75rem;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: 500;
    color: var(--gray-800);
    background: var(--gray-50);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.login-input::placeholder {
    color: var(--gray-400);
    font-weight: 400;
}

.login-input:hover {
    border-color: var(--gray-400);
    background: var(--surface-color);
}

.login-input:focus {
    border-color: var(--primary-color);
    background: var(--surface-color);
    box-shadow:
        0 0 0 3px rgba(59, 130, 246, 0.12),
        0 2px 8px rgba(59, 130, 246, 0.08);
}

/* 아이디 오류 메시지 */
.login-error-msg {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: #ef4444;
    font-weight: 500;
}

.login-error-msg:empty {
    display: none;
}

.login-input.login-input-error {
    border-color: #ef4444;
    background: #fff5f5;
}

.login-input.login-input-error:hover {
    border-color: #dc2626;
    background: #fff5f5;
}

.login-input.login-input-error:focus {
    border-color: #ef4444;
    box-shadow:
        0 0 0 3px rgba(239, 68, 68, 0.12),
        0 2px 8px rgba(239, 68, 68, 0.08);
}

/* 비밀번호 토글 */
.login-pw-toggle {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.375rem;
    font-size: 1rem;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-pw-toggle:hover {
    color: var(--gray-600);
}

/* 로그인 버튼 */
.login-submit-btn {
    width: 100%;
    padding: 0.9375rem 1.5rem;
    background: linear-gradient(135deg,
        var(--primary-color) 0%,
        var(--accent-color) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    font-family: 'Noto Sans KR', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.75rem;
    letter-spacing: -0.01em;
}

.login-submit-btn:hover {
    opacity: 0.9;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.2);
}

.login-submit-btn:active {
    opacity: 1;
    box-shadow: none;
}

.login-submit-btn:disabled {
    cursor: not-allowed;
    opacity: 0.85;
}

.login-spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: loginSpin 0.6s linear infinite;
    vertical-align: middle;
}

@keyframes loginSpin {
    to {
        transform: rotate(360deg);
    }
}

/* 구분선 */
.login-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.75rem 0;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gray-200);
}

.login-divider-text {
    font-size: 0.8125rem;
    color: var(--gray-400);
    font-weight: 500;
    white-space: nowrap;
}

/* 회원가입 버튼 */
.login-register-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--surface-color);
    color: var(--primary-color);
    border: 1.5px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: 'Noto Sans KR', sans-serif;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.01em;
}

.login-register-btn:hover {
    background: rgba(59, 130, 246, 0.06);
    border-color: var(--primary-color);
    box-shadow:
        0 4px 12px rgba(59, 130, 246, 0.1),
        0 2px 6px rgba(0, 0, 0, 0.04);
}

.login-register-btn:active {
    transform: translateY(0);
    background: rgba(59, 130, 246, 0.1);
}

/* 배경 장식 */
.login-bg-decoration {
    position: absolute;
    pointer-events: none;
    opacity: 0.04;
}

.login-bg-circle-1 {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--primary-color);
    top: -100px;
    right: -80px;
}

.login-bg-circle-2 {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--accent-color);
    bottom: -60px;
    left: -60px;
}

/* ============================================
   반응형 디자인
   ============================================ */

/* 1200px 이하 */
@media (max-width: 1200px) {
    .login-container {
        padding: 1.75rem;
    }

    .login-card {
        max-width: 420px;
        padding: 2.75rem 2.25rem;
    }
}

/* 900px 이하 */
@media (max-width: 900px) {
    .login-container {
        padding: 1.5rem;
    }

    .login-card {
        max-width: 400px;
        padding: 2.5rem 2rem;
    }

    .login-logo-icon {
        width: 2.75rem;
        height: 2.75rem;
    }

    .login-logo-text {
        font-size: 1.625rem;
    }

    .login-subtitle {
        font-size: 0.875rem;
    }
}

/* 768px 이하 */
@media (max-width: 768px) {
    .login-container {
        padding: 2rem;
    }

    .login-card {
        max-width: 100%;
        padding: 2.25rem 1.75rem;
        border-radius: var(--radius-lg);
    }

    .login-logo-section {
        margin-bottom: 2rem;
    }

    .login-logo-icon {
        width: 2.5rem;
        height: 2.5rem;
    }

    .login-logo-text {
        font-size: 1.5rem;
    }

    .login-form-label {
        font-size: 0.8125rem;
    }

    .login-input {
        padding: 0.8125rem 1rem 0.8125rem 2.5rem;
        font-size: 0.875rem;
    }

    .login-input-wrapper i {
        font-size: 0.9375rem;
    }

    .login-error-msg {
        font-size: 0.75rem;
    }

    .login-submit-btn {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
    }

    .login-spinner {
        width: 1.125rem;
        height: 1.125rem;
        border-width: 2.5px;
    }

    .login-register-btn {
        padding: 0.8125rem 1.25rem;
        font-size: 0.875rem;
    }

    .login-divider {
        margin: 1.5rem 0;
    }
}

/* 480px 이하 */
@media (max-width: 480px) {
    .login-container {
        padding: 1.5rem;
        align-items: flex-start;
    }

    .login-card {
        padding: 2rem 1.5rem;
        box-shadow:
            0 10px 30px rgba(30, 64, 175, 0.06),
            0 4px 12px rgba(0, 0, 0, 0.04);
    }

    .login-logo-section {
        margin-bottom: 1.75rem;
    }

    .login-logo-icon {
        width: 2.25rem;
        height: 2.25rem;
    }

    .login-logo-text {
        font-size: 1.375rem;
    }

    .login-subtitle {
        font-size: 0.8125rem;
    }

    .login-form-group {
        margin-bottom: 1rem;
    }

    .login-form-label {
        font-size: 0.8125rem;
        margin-bottom: 0.375rem;
    }

    .login-input {
        padding: 0.75rem 0.875rem 0.75rem 2.375rem;
        font-size: 0.875rem;
        border-radius: var(--radius-md);
    }

    .login-input-wrapper i {
        left: 0.875rem;
        font-size: 0.875rem;
    }

    .login-error-msg {
        margin-top: 0.25rem;
        font-size: 0.6875rem;
    }

    .login-submit-btn {
        padding: 0.8125rem 1rem;
        font-size: 0.875rem;
        margin-top: 0.5rem;
        border-radius: var(--radius-md);
    }

    .login-spinner {
        width: 1rem;
        height: 1rem;
        border-width: 2px;
    }

    .login-divider {
        margin: 1.25rem 0;
    }

    .login-divider-text {
        font-size: 0.75rem;
    }

    .login-register-btn {
        padding: 0.75rem 1rem;
        font-size: 0.8125rem;
        border-radius: var(--radius-md);
    }
}