/* 공통 스타일 - 프리미엄 상품권 (PC 웹 기본) - 블랙 & 레드 테마 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
}

.container.narrow {
    max-width: 500px;
}

.container.medium {
    max-width: 800px;
}

/* 헤더 */
.header {
    text-align: center;
    padding: 40px 0;
    color: white;
}

.header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    color: #ffffff;
}

.header p {
    font-size: 16px;
    opacity: 0.8;
    color: #cccccc;
}

/* 메인 카드 */
.main-card {
    background: #1e1e1e;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    overflow: hidden;
    border: 1px solid #333333;
}

.card-header {
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    padding: 40px;
    text-align: center;
    border-bottom: 1px solid #333333;
}

.card-header h2 {
    font-size: 26px;
    color: #ffffff;
    margin-bottom: 10px;
}

.card-header p {
    font-size: 16px;
    color: #999999;
}

.card-body {
    padding: 40px;
    background: #1e1e1e;
}

/* 폼 스타일 */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #e0e0e0;
    margin-bottom: 10px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 16px 18px;
    border: 2px solid #333333;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.2s ease;
    background: #2a2a2a;
    color: #ffffff;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2);
}

.form-group input::placeholder {
    color: #666666;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

/* 버튼 */
.btn {
    width: 100%;
    padding: 18px;
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #dc3545 0%, #b02a37 100%);
    color: white;
    box-shadow: 0 8px 20px rgba(220, 53, 69, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(220, 53, 69, 0.5);
    background: linear-gradient(135deg, #e04555 0%, #c03040 100%);
}

.btn-secondary {
    background: #333333;
    color: #e0e0e0;
}

.btn-secondary:hover {
    background: #444444;
}

.btn-success {
    background: linear-gradient(135deg, #8b0000 0%, #5c0000 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #b02a37 100%);
    color: white;
}

/* 링크 */
.text-link {
    text-align: center;
    margin-top: 24px;
    font-size: 15px;
    color: #888888;
}

.text-link a {
    color: #dc3545;
    text-decoration: none;
    font-weight: 500;
}

.text-link a:hover {
    text-decoration: underline;
    color: #ff4555;
}

/* 알림 메시지 */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 15px;
}

.alert-error {
    background: rgba(220, 53, 69, 0.15);
    color: #ff6b7a;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.alert-success {
    background: rgba(40, 167, 69, 0.15);
    color: #5dd879;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.alert-info {
    background: rgba(255, 255, 255, 0.1);
    color: #cccccc;
    border: 1px solid #444444;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.15);
    color: #ffd454;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

/* 탭 */
.tabs {
    display: flex;
    border-bottom: 2px solid #333333;
    margin-bottom: 30px;
}

.tab {
    flex: 1;
    padding: 16px;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #888888;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
}

.tab:hover {
    color: #dc3545;
}

.tab.active {
    color: #dc3545;
    border-bottom-color: #dc3545;
}

/* 인증 상태 박스 */
.status-box {
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 30px;
}

.status-box.pending {
    background: rgba(255, 193, 7, 0.1);
    border: 2px solid rgba(255, 193, 7, 0.3);
}

.status-box.verified {
    background: rgba(40, 167, 69, 0.1);
    border: 2px solid rgba(40, 167, 69, 0.3);
}

.status-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.status-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #ffffff;
}

.status-desc {
    font-size: 15px;
    color: #999999;
    line-height: 1.6;
}

/* 계좌 정보 박스 */
.account-box {
    background: #2a2a2a;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    border: 1px solid #333333;
}

.account-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 15px;
}

.account-label {
    color: #888888;
}

.account-value {
    font-weight: 500;
    color: #e0e0e0;
}

/* 푸터 */
.footer {
    text-align: center;
    padding: 40px 0;
    color: #666666;
    font-size: 14px;
}

/* 유저 정보 바 */
.user-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 12px;
    margin-bottom: 24px;
    color: #e0e0e0;
    font-size: 15px;
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.user-bar a {
    color: #dc3545;
    text-decoration: none;
    opacity: 0.9;
}

.user-bar a:hover {
    opacity: 1;
    color: #ff4555;
}

/* 네비게이션 */
.nav-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 24px;
}

.nav-links a {
    color: #cccccc;
    text-decoration: none;
    font-size: 15px;
    padding: 10px 20px;
    border-radius: 20px;
    background: rgba(255,255,255,0.05);
    transition: all 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
}

/* 페이지 레이아웃 */
.page-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.page-layout .sidebar {
    width: 300px;
    flex-shrink: 0;
}

.page-layout .main-content {
    flex: 1;
}

/* 반응형 - 태블릿 */
@media (max-width: 992px) {
    .container {
        padding: 30px 20px;
    }

    .page-layout {
        flex-direction: column;
    }

    .page-layout .sidebar {
        width: 100%;
    }
}

/* 반응형 - 모바일 */
@media (max-width: 576px) {
    .container {
        padding: 16px;
    }

    .header h1 {
        font-size: 24px;
    }

    .header p {
        font-size: 14px;
    }

    .card-body {
        padding: 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .btn {
        padding: 14px;
        font-size: 15px;
    }
}