/* 전역 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 컬러 팔레트 */
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #06b6d4;

    /* 중성 컬러 */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* 배경 및 텍스트 */
    --bg-primary: #ffffff;
    --bg-secondary: var(--gray-50);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);

    /* 그림자 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* 폰트 */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* 반응형 브레이크포인트 */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--gray-50) 0%, #ffffff 100%);
    min-height: 100vh;
}

/* 컨테이너 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 헤더 */
.header {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    margin-bottom: 2rem;
    border-radius: 0.75rem;
    margin-top: 1rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* 버튼 스타일 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--gray-600);
    color: white;
}

.btn-secondary:hover {
    background: var(--gray-700);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* 로딩 상태 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.loading-spinner {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* 에러 상태 */
.error-state {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 4rem 2rem;
}

.error-content {
    text-align: center;
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
}

.error-content i {
    font-size: 4rem;
    color: var(--error-color);
    margin-bottom: 1rem;
}

.error-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.error-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* 섹션 */
.section {
    background: var(--bg-primary);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.section-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* 상태 배지 */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: 9999px;
    background: var(--success-color);
    color: white;
}

.status-badge.warning {
    background: var(--warning-color);
}

.status-badge.error {
    background: var(--error-color);
}

/* 환율 정보 */
.exchange-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.exchange-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.exchange-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.exchange-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.exchange-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.exchange-value.primary {
    color: var(--primary-color);
}

/* 계좌잔액 정보 */
.balance-info {
    padding: 1.5rem;
}

.balance-card {
    background: var(--gray-50);
    border-radius: 0.75rem;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    overflow: hidden;
}

.balance-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.balance-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 1rem 1.5rem;
}

.balance-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
}

.balance-content {
    padding: 1.5rem;
}

.balance-amount {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.balance-main-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.balance-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.balance-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.balance-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.detail-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

/* 경고 메시지 */
.warning-message {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    color: #92400e;
    padding: 1rem 1.5rem;
    margin: 0 1.5rem 1.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* 시트 컨테이너 */
.sheets-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

/* 시트 카드 */
.sheet-card {
    background: var(--gray-50);
    border-radius: 0.75rem;
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all 0.2s ease;
}

.sheet-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.sheet-header {
    background: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
}

.sheet-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sheet-content {
    padding: 1.5rem;
}

.data-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.data-row:last-child {
    border-bottom: none;
}

.data-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.data-value {
    font-weight: 600;
    color: var(--text-primary);
}

.data-value.dollar {
    color: var(--success-color);
    font-size: var(--font-size-lg);
}

.data-value.krw {
    color: var(--info-color);
    font-size: var(--font-size-lg);
}

.exchange-note {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* 합계 카드 */
.summary-card {
    margin: 0 1.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 1rem;
    overflow: hidden;
}

.summary-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.summary-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.summary-content {
    padding: 2rem 1.5rem;
    text-align: center;
}

.total-amount {
    margin-bottom: 1.5rem;
}

.total-label {
    display: block;
    font-size: var(--font-size-lg);
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.total-value {
    font-size: 3rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.count-label {
    font-size: var(--font-size-base);
    opacity: 0.8;
    margin-right: 0.5rem;
}

.count-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* 상세 정보 */
.details-content {
    border-top: 1px solid var(--gray-200);
}

/* 종류 배지 */
.type-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.type-badge.warudo {
    background-color: #e0f2fe;
    color: #0277bd;
    border: 1px solid #b3e5fc;
}

.type-badge.nilotoon {
    background-color: #f3e5f5;
    color: #7b1fa2;
    border: 1px solid #e1bee7;
}

/* 합계 행 스타일 */
.summary-row {
    background-color: var(--gray-50);
    border-top: 2px solid var(--primary-color);
    font-weight: 600;
}

.summary-row td {
    padding: 1rem 0.75rem;
    color: var(--text-primary);
}

.details-tabs {
    display: flex;
    background: var(--gray-100);
}

.tab-btn {
    flex: 1;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    background: var(--gray-200);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
}

.details-body {
    max-height: 400px;
    overflow-y: auto;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 테이블 */
.details-table {
    width: 100%;
    border-collapse: collapse;
}

.details-table th {
    background: var(--gray-100);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--gray-200);
}

.details-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    color: var(--text-secondary);
}

.details-table tr:hover {
    background: var(--gray-50);
}

/* 푸터 */
.footer {
    margin-top: auto;
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--gray-200);
}

.footer-content p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* 토스트 알림 */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--success-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.error {
    background: var(--error-color);
}

.toast.warning {
    background: var(--warning-color);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .title {
        font-size: var(--font-size-xl);
    }

    .exchange-info {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }

    .sheets-container {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }

    .summary-content {
        padding: 1.5rem 1rem;
    }

    .total-value {
        font-size: 2rem;
    }

    .details-table {
        font-size: var(--font-size-sm);
    }

    .details-table th,
    .details-table td {
        padding: 0.5rem;
    }

    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }
}

/* 핀번호 인증 모달 */
.pin-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.pin-modal.show {
    opacity: 1;
    visibility: visible;
}

.pin-modal-content {
    background: var(--bg-primary);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 90%;
    padding: 2rem;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.pin-modal.show .pin-modal-content {
    transform: scale(1);
}

.pin-modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pin-modal-header h2 {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.pin-modal-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.pin-input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.pin-input-group input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: var(--font-size-lg);
    text-align: center;
    letter-spacing: 0.1em;
    transition: border-color 0.2s ease;
}

.pin-input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.pin-submit-btn {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pin-submit-btn:hover {
    background: var(--primary-dark);
}

.pin-submit-btn:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
}

.pin-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
}

@media (max-width: 480px) {
    .header-actions {
        width: 100%;
        justify-content: center;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: var(--font-size-xs);
    }

    .section-header {
        flex-direction: column;
        text-align: center;
    }

    .data-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

/* 애니메이션 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeIn 0.5s ease;
}

/* 다크 모드 비활성화 - 항상 라이트 모드 사용 */
/* @media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: var(--gray-800);
        --bg-secondary: var(--gray-900);
        --text-primary: var(--gray-100);
        --text-secondary: var(--gray-300);
        --text-muted: var(--gray-400);
    }

    body {
        background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    }

    .sheet-card {
        background: var(--gray-700);
        border-color: var(--gray-600);
    }

    .exchange-card {
        background: var(--gray-700);
    }

    .details-table th {
        background: var(--gray-700);
    }

    .details-table tr:hover {
        background: var(--gray-700);
    }
} */

/* 인쇄 스타일 */
@media print {
    .header-actions,
    .btn,
    .toast {
        display: none !important;
    }

    .section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }

    body {
        background: white;
    }
}