/* ========== 디자인 토큰 (Design Tokens) ========== */
:root {
    /* 색상 */
    --color-primary: #3182F6;
    --color-primary-hover: #1B64DA;
    --color-text: #191F28;
    --color-text-muted: #8B95A1;
    --color-border: #E5E8EB;
    --color-border-light: #F2F4F6;
    --color-bg: #FFFFFF;
    --color-bg-page: #F5F7FA;
    --color-bg-muted: #F9FAFB;
    --color-bg-input-hover: #F8F9FA;
    --color-success: #20D26D;
    --color-error: #F04452;
    --color-error-hover: #DC2626;
    --color-warning-bg: #FFF9E6;
    --color-warning-border: #FEE500;
    --color-warning-text: #8B6F00;
    /* 간격 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 40px;
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    /* Typography */
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Pretendard', Roboto, 'Noto Sans KR', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 15px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 22px;
    --font-size-3xl: 32px;
    /* Layout */
    --container-max: 1200px;
    --header-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

/* 공통 폰트 및 기본 스타일 - 토스 스타일 */
html {
    overflow-x: auto;
    overflow-y: scroll;
    box-sizing: border-box;
}
body { 
    font-family: var(--font-body);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-width: 0;
    overflow-x: auto;
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
}

/* 공통 컨테이너 스타일 (화면·메뉴 스펙 통일 1200px) */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    min-width: 0;
    overflow-x: auto;
    box-sizing: border-box;
}

/* 페이지 제목 (본문 영역 통일) */
.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
    letter-spacing: -0.3px;
}
.page-title:first-child {
    margin-top: 0;
}

/* 인증 컨테이너 - 토스 스타일 */
.auth-container {
    background: #FFFFFF;
    padding: 48px 40px;
    border-radius: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    width: 100%;
}

.login-container {
    max-width: 400px;
}

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

/* 공통 헤더 스타일 - 토스 스타일 */
h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #191F28;
    text-align: center;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #191F28;
    border-bottom: none;
    padding-bottom: 0;
    letter-spacing: -0.3px;
}

.subtitle {
    text-align: center;
    color: #8B95A1;
    margin-bottom: 40px;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.5;
}

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

label {
    display: block;
    margin-bottom: 8px;
    color: #191F28;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.2px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #E5E8EB;
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.2s ease;
    font-family: inherit;
    background: #FFFFFF;
    color: #191F28;
    line-height: 1.5;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #3182F6;
    box-shadow: 0 0 0 3px rgba(49, 130, 246, 0.1);
}

input[type="text"]:hover,
input[type="password"]:hover,
input[type="email"]:hover,
input[type="number"]:hover,
select:hover,
textarea:hover {
    border-color: #D1D6DB;
}

input::placeholder,
textarea::placeholder {
    color: #8B95A1;
    opacity: 1;
}

input[type="text"].error,
input[type="password"].error,
input[type="email"].error,
input[type="number"].error,
select.error,
textarea.error {
    border-color: #F04452;
    background-color: #FFF5F5;
}

input[type="text"].error:focus,
input[type="password"].error:focus,
input[type="email"].error:focus,
input[type="number"].error:focus,
select.error:focus,
textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(240, 68, 82, 0.1);
}

input[type="text"].valid,
input[type="password"].valid,
input[type="email"].valid,
input[type="number"].valid,
select.valid,
textarea.valid {
    border-color: #20D26D;
}

/* 공통 버튼 스타일 - 토스 스타일 */
button {
    padding: 14px 24px;
    background: #3182F6;
    color: #FFFFFF;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    letter-spacing: -0.2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

button:hover {
    background: #1B64DA;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

button:disabled {
    background: #E5E8EB;
    color: #8B95A1;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

button.full-width {
    width: 100%;
    margin-top: 8px;
}

button.danger {
    background: #F04452;
}

button.danger:hover {
    background: #DC2626;
}

/* 공통 메시지 스타일 - 토스 스타일 */
.error-message {
    color: #F04452;
    font-size: 13px;
    margin-top: 6px;
    display: none;
    font-weight: 400;
    line-height: 1.4;
}

.error-message.show {
    display: block;
}

.success-message {
    color: #20D26D;
    font-size: 14px;
    margin-top: 12px;
    display: none;
    font-weight: 500;
    line-height: 1.5;
}

.success-message.show {
    display: block;
}

.info-text {
    font-size: 13px;
    color: #8B95A1;
    margin-top: 6px;
    line-height: 1.4;
    font-weight: 400;
}

.security-note {
    background: #FFF9E6;
    border: 1px solid #FEE500;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 24px;
    font-size: 13px;
    color: #8B6F00;
    line-height: 1.5;
    font-weight: 400;
}

/* 공통 링크 스타일 - 토스 스타일 */
.link-text {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: #8B95A1;
    line-height: 1.5;
}

.link-text a {
    color: #3182F6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.link-text a:hover {
    color: #1B64DA;
    text-decoration: none;
}

/* 공통 카드 스타일 - 토스 스타일 */
.card {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    margin-bottom: var(--space-md);
    border: 1px solid var(--color-border-light);
}
.card h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

/* 카드 변형 (BEM) */
.card--pipeline {
    border-left: 4px solid var(--color-primary);
}
.card--summary {
    padding: var(--space-md) var(--space-lg);
}

/* 공통 테이블 스타일 (.data-table) */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-base);
}
.data-table th,
.data-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}
.data-table th {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: var(--font-size-sm);
}
.data-table td {
    color: var(--color-text);
}
.data-table tbody tr:hover {
    background: var(--color-bg-muted);
}
/* 테이블이 넓을 때 가로 스크롤로 잘리지 않게 */
.table-responsive,
.signal-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}
.table-responsive .data-table {
    min-width: 600px;
}
@media (max-width: 768px) {
    .data-table th,
    .data-table td {
        padding: 8px 10px;
        font-size: var(--font-size-sm);
    }
}

/* ========== 반응형 (모바일/태블릿) ========== */
@media (max-width: 768px) {
    .container,
    .settings-container {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }
    .page-background {
        padding: var(--space-md);
    }
    .app-header {
        padding: 16px var(--space-md);
    }
    .app-header .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    .app-nav {
        padding: 0 var(--space-md);
    }
    .app-nav .nav-inner {
        flex-wrap: wrap;
        gap: 2px;
    }
    .app-nav .nav-link {
        padding: 10px 12px;
        font-size: var(--font-size-sm);
    }
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    .date-selector {
        width: 100%;
    }
    .date-selector input {
        flex: 1;
        min-width: 0;
    }
    .strategies-grid {
        grid-template-columns: 1fr;
    }
    .price-info {
        grid-template-columns: repeat(2, 1fr);
    }
    .sectors {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 480px) {
    .quick-actions {
        grid-template-columns: 1fr;
    }
    .balance-row {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* 공통 헤더 스타일 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.header h1 {
    text-align: left;
    margin-bottom: 0;
}

/* 공통 네비게이션 스타일 - 토스 스타일 */
.nav {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.nav a {
    padding: 10px 16px;
    background: #FFFFFF;
    color: #3182F6;
    text-decoration: none;
    border-radius: 10px;
    border: 1px solid #E5E8EB;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
    letter-spacing: -0.2px;
}

.nav a:hover {
    background: #F8F9FA;
    border-color: #3182F6;
    color: #3182F6;
    transform: translateY(-1px);
}

/* 공통 정보 행 스타일 - 토스 스타일 */
.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid #F2F4F6;
}

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

.info-label {
    font-weight: 600;
    color: #8B95A1;
    width: 150px;
    font-size: 14px;
    letter-spacing: -0.2px;
}

.info-value {
    flex: 1;
    color: #191F28;
    word-break: break-all;
    font-size: 15px;
    font-weight: 500;
    text-align: right;
}

.masked-value {
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
    color: #8B95A1;
    font-size: 14px;
}

/* 배경 - 토스 스타일 */
.auth-background {
    background: var(--color-bg-page);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

/* 일반 배경 - 토스 스타일 */
.page-background {
    background: var(--color-bg-page);
    min-height: 100vh;
    padding: var(--space-lg);
}

/* 추가 토스 스타일 요소 */
.select-wrapper {
    position: relative;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%238B95A1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* 포커스 상태 개선 */
*:focus-visible {
    outline: 2px solid #3182F6;
    outline-offset: 2px;
}

/* 스크롤바 스타일링 (웹킷 브라우저) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #F5F7FA;
}

::-webkit-scrollbar-thumb {
    background: #D1D6DB;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8B95A1;
}

/* 토글 스위치 스타일 */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 100%;
}

.toggle-switch input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    width: 100%;
    height: 48px;
    background: #F5F7FA;
    border: 1px solid #E5E8EB;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0 16px;
}

.toggle-label:hover {
    border-color: #3182F6;
    background: #F0F7FF;
}

.toggle-text-left,
.toggle-text-right {
    font-size: 15px;
    font-weight: 600;
    transition: color 0.3s ease;
    z-index: 2;
    position: relative;
    flex: 1;
    text-align: center;
}

.toggle-slider {
    position: absolute;
    top: 4px;
    left: 4px;
    width: calc(50% - 4px);
    height: calc(100% - 8px);
    background: #3182F6;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(49, 130, 246, 0.2);
    transition: transform 0.3s ease;
    z-index: 1;
}

/* 체크되지 않은 상태: 모의투자 선택 (왼쪽) */
.toggle-switch input[type="checkbox"]:not(:checked) + .toggle-label {
    background: #F5F7FA;
}

.toggle-switch input[type="checkbox"]:not(:checked) + .toggle-label .toggle-text-left {
    color: #FFFFFF;
    font-weight: 700;
}

.toggle-switch input[type="checkbox"]:not(:checked) + .toggle-label .toggle-text-right {
    color: #8B95A1;
}

.toggle-switch input[type="checkbox"]:not(:checked) + .toggle-label .toggle-slider {
    transform: translateX(0);
}

/* 체크된 상태: 실거래 선택 (오른쪽) */
.toggle-switch input[type="checkbox"]:checked + .toggle-label {
    background: #F5F7FA;
}

.toggle-switch input[type="checkbox"]:checked + .toggle-label .toggle-text-left {
    color: #8B95A1;
}

.toggle-switch input[type="checkbox"]:checked + .toggle-label .toggle-text-right {
    color: #FFFFFF;
    font-weight: 700;
}

.toggle-switch input[type="checkbox"]:checked + .toggle-label .toggle-slider {
    transform: translateX(calc(100% + 4px));
}

.toggle-switch input[type="checkbox"]:focus-visible + .toggle-label {
    outline: 2px solid #3182F6;
    outline-offset: 2px;
}

/* 설정 페이지: 빈 상태 (empty state) */
.empty-state {
    text-align: center;
    padding: 32px 24px;
    background: #F9FAFB;
    border: 1px dashed #E5E8EB;
    border-radius: 12px;
    margin-bottom: 20px;
}
.empty-state-title {
    font-size: 16px;
    font-weight: 600;
    color: #191F28;
    margin-bottom: 8px;
}
.empty-state-desc {
    font-size: 14px;
    color: #8B95A1;
    line-height: 1.5;
    margin-bottom: 20px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}
.empty-state-cta {
    display: inline-block;
    min-height: 44px;
    line-height: 44px;
    padding: 0 24px;
    text-decoration: none;
}

/* 설정 페이지: 세그먼트 컨트롤 (모의계좌 | 실계좌) */
.segment-control {
    display: flex;
    border: 1px solid #E5E8EB;
    border-radius: 12px;
    overflow: hidden;
    background: #F5F7FA;
    margin-bottom: 20px;
}
.segment-btn {
    flex: 1;
    min-height: 44px;
    min-width: 5em;
    padding: 12px 16px;
    white-space: nowrap;
    border: none;
    background: transparent;
    color: #8B95A1;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.segment-btn:hover {
    color: #191F28;
    background: rgba(255, 255, 255, 0.7);
}
.segment-btn.active {
    background: #fff;
    color: #3182F6;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
.segment-btn:focus-visible {
    outline: 2px solid #3182F6;
    outline-offset: 2px;
}

/* 설정: 거래 설정 폼 상단 라벨 (모의/실 구분) */
.trading-form-header {
    font-size: 16px;
    font-weight: 700;
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.trading-form-header--virtual {
    background: #E8F4FD;
    color: #1B64DA;
    border: 1px solid #B3D4F5;
}
.trading-form-header--real {
    background: #FEF3E8;
    color: #C45A11;
    border: 1px solid #F5D4B3;
}
.trading-form-header-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
}
.trading-form-header--virtual .trading-form-header-badge {
    background: #1B64DA;
    color: #fff;
}
.trading-form-header--real .trading-form-header-badge {
    background: #C45A11;
    color: #fff;
}

/* 설정: 계좌·API 연결 패널 상단 라벨 (모의/실 구분) */
.account-form-header {
    font-size: 16px;
    font-weight: 700;
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.account-form-header--virtual {
    background: #E8F4FD;
    color: #1B64DA;
    border: 1px solid #B3D4F5;
}
.account-form-header--real {
    background: #FEF3E8;
    color: #C45A11;
    border: 1px solid #F5D4B3;
}
.account-form-header-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
}
.account-form-header--virtual .account-form-header-badge {
    background: #1B64DA;
    color: #fff;
}
.account-form-header--real .account-form-header-badge {
    background: #C45A11;
    color: #fff;
}
.segment-wrap { margin-bottom: 20px; }
.accounts-panel { margin-top: 0; }

/* 계좌번호 + 계좌인증 버튼 한 줄 */
.account-verify-row {
    display: flex;
    gap: 12px;
    align-items: center;
}
.account-verify-row input {
    flex: 1;
    min-width: 0;
}
.account-verify-row .btn-secondary {
    flex-shrink: 0;
}
.btn-secondary {
    padding: 12px 20px;
    border: 1px solid #3182F6;
    background: #fff;
    color: #3182F6;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.btn-secondary:hover:not(:disabled) {
    background: #F0F7FF;
}
.btn-secondary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* 공통 레이아웃: 앱 헤더·메뉴 (화면·메뉴 스펙) */
.app-header {
    background: var(--header-gradient);
    color: white;
    padding: 20px var(--space-lg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
}
.app-header .header-content {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    min-width: 0;
    box-sizing: border-box;
}
.app-header .header-content > div:first-child {
    min-width: 0;
}
.app-header h1 {
    font-size: 22px;
    font-weight: 600;
    margin: 0;
    color: white;
    text-align: left;
}
.app-header .logo-link {
    color: inherit;
    text-decoration: none;
}
.app-header .logo-link:hover {
    color: white;
    text-decoration: none;
}
.app-header .welcome {
    font-size: 14px;
    opacity: 0.95;
    margin-top: 4px;
}
.app-header .user-info {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    min-width: 0;
}
.app-header .header-account-type {
    position: relative;
}
.app-header .header-account-type-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 8px;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
}
.app-header .header-account-type-trigger:hover {
    background: rgba(255,255,255,0.25);
}
.app-header .header-account-type-arrow {
    font-size: 10px;
    opacity: 0.9;
}
.app-header .header-account-type-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    padding: var(--space-sm);
    min-width: 140px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    z-index: 100;
}
.app-header .header-account-type-option {
    display: block;
    padding: 8px 10px;
    font-size: 14px;
    color: var(--color-text);
    cursor: pointer;
    border-radius: 4px;
}
.app-header .header-account-type-option:hover {
    background: var(--color-bg-muted);
}
.app-header .header-account-type-option input {
    margin-right: 8px;
}
.app-header .header-account-type-apply {
    display: block;
    width: 100%;
    margin-top: var(--space-sm);
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    background: var(--color-primary);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
}
.app-header .header-account-type-apply:hover {
    background: var(--color-primary-hover);
}
.app-header .user-badge {
    background: rgba(255,255,255,0.2);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
}
.app-header .header-link {
    color: white;
    text-decoration: none;
    padding: 8px 12px;
    background: rgba(255,255,255,0.2);
    border-radius: 8px;
    font-size: 14px;
    transition: background 0.2s;
    flex-shrink: 0;
    white-space: nowrap;
}
.app-header .header-link:hover {
    background: rgba(255,255,255,0.3);
}
.app-nav {
    background: #fff;
    border-bottom: 1px solid #E5E8EB;
    padding: 0 var(--space-lg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
}
.app-nav .nav-inner {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    min-width: 0;
    box-sizing: border-box;
}
.app-nav .nav-link {
    display: inline-block;
    padding: 14px 16px;
    color: #8B95A1;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s, background 0.2s;
}
.app-nav .nav-link:hover {
    color: #191F28;
}
.app-nav .nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: -1px;
}
/* 전역 계좌 탭: 설정 페이지 탭과 동일한 세그먼트 스타일 */
.app-nav .account-tabs-wrap {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-md) 0;
    box-sizing: border-box;
}
.app-nav .account-tabs-wrap .segment-control {
    display: flex;
    border: 1px solid #E5E8EB;
    border-radius: 12px;
    overflow: hidden;
    background: #F5F7FA;
    margin-bottom: 0;
    max-width: 320px;
}
.app-nav .account-tabs-wrap .segment-btn {
    flex: 1;
    min-height: 44px;
    min-width: 5em;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: #8B95A1;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s, color 0.2s;
}
.app-nav .account-tabs-wrap .segment-btn:hover {
    color: #191F28;
    background: rgba(255, 255, 255, 0.7);
}
.app-nav .account-tabs-wrap .segment-btn.active {
    background: #fff;
    color: #3182F6;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
.app-nav .account-tabs-notice {
    margin: var(--space-sm) 0 0;
    padding-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.app-nav .account-tabs-cta {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}
.app-nav .account-tabs-cta:hover {
    text-decoration: underline;
}

/* 대시보드 모의/실 구역 */
.dashboard-section {
    margin-bottom: var(--space-2xl);
}
.dashboard-section .section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

/* ========== 대시보드·공통 페이지 유틸리티 ========== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.quick-action-card {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-border-light);
    text-decoration: none;
    color: var(--color-text);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.quick-action-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.quick-action-card .icon {
    font-size: 28px;
    margin-bottom: var(--space-sm);
}
.quick-action-card .title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}
.stat-card {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-border-light);
}
.stat-card .label {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}
.stat-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
}
.stat-card .value.positive {
    color: var(--color-success);
}
.stat-card .value.negative {
    color: var(--color-error);
}
.balance-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
}
.balance-item {
    padding: var(--space-md);
    background: var(--color-bg-muted);
    border-radius: var(--radius-sm);
}
.balance-item label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}
.balance-item .value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
}
.account-selector {
    margin-bottom: var(--space-lg);
}
.account-selector label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}
.status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    display: inline-block;
}
.status.pending {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
}
.status.executed {
    background: #d4edda;
    color: #155724;
}
.status.failed {
    background: #f8d7da;
    color: #721c24;
}
.status-badge.status-pending {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
}
.status-badge.status-executed {
    background: #d4edda;
    color: #155724;
}
.status-badge.status-failed {
    background: #f8d7da;
    color: #721c24;
}
.data-table .positive {
    color: var(--color-success);
    font-weight: 600;
}
.data-table .negative {
    color: var(--color-error);
    font-weight: 600;
}
.error-box {
    background: #fff5f5;
    color: var(--color-error);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-base);
    border-left: 4px solid var(--color-error);
}
.empty {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}
.empty-state .action-button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    transition: background 0.2s;
}
.empty-state .action-button:hover {
    background: var(--color-primary-hover);
}
.setting-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
}
.setting-item:last-child {
    border-bottom: none;
}
.setting-item label {
    font-weight: 600;
    color: var(--color-text-muted);
}
.setting-item .value {
    color: var(--color-text);
}
@media (max-width: 768px) {
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== 전략 페이지 유틸리티 ========== */
.search-box {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-border-light);
}
.search-box form {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.search-box input {
    flex: 1;
    min-width: 200px;
}
.strategies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}
.strategy-card {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-border-light);
}
.strategy-card h2 {
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.status-badge {
    padding: 5px 14px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
}
.status-badge.active {
    background: var(--color-success);
    color: white;
}
.status-badge.stopped {
    background: var(--color-error);
    color: white;
}
.status-badge.paused {
    background: var(--color-warning-border);
    color: var(--color-warning-text);
}
.strategy-info {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.info-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-muted);
    border-radius: var(--radius-sm);
}
.info-item label {
    color: var(--color-text-muted);
    font-weight: 600;
}
.info-item .value {
    color: var(--color-text);
    font-weight: 600;
}
.strategy-actions {
    display: flex;
    gap: var(--space-sm);
}
.btn-activate {
    background: var(--color-success) !important;
    color: white !important;
}
.btn-activate:hover:not(:disabled) {
    background: #1a9e4a !important;
}
.btn-stop {
    background: var(--color-error) !important;
    color: white !important;
}
.btn-stop:hover:not(:disabled) {
    background: var(--color-error-hover) !important;
}
.performance-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
}
.stat-item {
    text-align: center;
}
.stat-item .label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}
.stat-item .value {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--color-text);
}
.stat-item .value.positive {
    color: var(--color-success);
}
.stat-item .value.negative {
    color: var(--color-error);
}

/* ========== 포트폴리오 페이지 유틸리티 ========== */
.date-selector {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    flex-wrap: wrap;
}
.date-selector input {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
}
.date-selector button {
    padding: 10px 16px;
    font-size: var(--font-size-base);
}
.market-summary {
    background: var(--color-bg-muted);
    padding: var(--space-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    white-space: pre-line;
    line-height: 1.8;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border-light);
}
.sectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.sector-card {
    background: var(--header-gradient);
    color: white;
    padding: var(--space-lg);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.sector-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}
.sector-card p {
    font-size: var(--font-size-base);
    opacity: 0.95;
}
.stocks-grid {
    display: grid;
    gap: var(--space-lg);
}
.stock-card {
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    padding: var(--space-lg);
    transition: transform 0.2s, box-shadow 0.2s;
}
.stock-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.stock-header {
    margin-bottom: var(--space-md);
}
.stock-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.stock-title h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-text);
}
.stock-title .rank {
    background: var(--color-primary);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}
.stock-title .name {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}
.price-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}
.price-item {
    background: var(--color-bg);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--color-primary);
}
.price-item label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}
.price-item .value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}
.price-item.entry .value { color: var(--color-primary); }
.price-item.stop-loss .value { color: var(--color-error); }
.price-item.target .value { color: var(--color-success); }
.price-item.profit .value { color: #f39c12; }
.analysis {
    margin-top: var(--space-md);
}
.analysis-section {
    margin-bottom: var(--space-md);
}
.analysis-section h4 {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
}
.analysis-section p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}
.time-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
}
.time-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.time-item label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}
.time-item .value {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
}
.risk-management {
    background: var(--color-warning-bg);
    border-left: 4px solid var(--color-warning-border);
    padding: var(--space-lg);
    border-radius: var(--radius-sm);
    margin-top: var(--space-lg);
    white-space: pre-line;
    line-height: 1.8;
    font-size: var(--font-size-base);
    color: var(--color-warning-text);
}
.loading {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

/* 에러 페이지 (전체 화면) */
.error-container {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid var(--color-border-light);
    max-width: 480px;
    margin: 0 auto;
}
.error-container h1 {
    color: var(--color-error);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-2xl);
}
.error-container p {
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-md);
}
.error-container a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}
.error-container a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* ========== 백테스트·자동투자·뉴스·배치·주문 공통 ========== */
.settings-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    min-width: 0;
    overflow-x: auto;
}
.mode-tabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}
.mode-tab {
    padding: 12px 20px;
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.mode-tab.active {
    color: var(--color-primary);
    font-weight: 600;
    border-bottom-color: var(--color-primary);
}
.mode-tab:hover {
    color: var(--color-text);
}
.form-panel {
    display: none;
}
.form-panel.active {
    display: block;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-md);
    align-items: end;
    margin-bottom: var(--space-md);
}
.advanced-section {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
    display: none;
}
.advanced-section.open {
    display: block;
}
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}
.metric-item {
    background: var(--color-bg-muted);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
}
.metric-item .label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}
.metric-item .value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
}
.metric-item.good .value { color: var(--color-success); }
.metric-item.warn .value { color: #ed6c02; }
.metric-item.bad .value { color: var(--color-error); }
.interpretation {
    background: #e3f2fd;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.5;
}
.pipeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.pipeline-card {
    background: var(--color-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border-left: 4px solid var(--color-primary);
}
.pipeline-card .label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}
.pipeline-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
}
.filters {
    background: var(--color-bg);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    align-items: center;
    border: 1px solid var(--color-border-light);
}
.filters input,
.filters select {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}
.pagination {
    margin-top: var(--space-md);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
}
.pagination a,
.pagination span {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    font-size: var(--font-size-base);
}
.pagination a:hover {
    background: var(--color-bg-muted);
}
.pagination .current {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}
.pagination .disabled {
    color: var(--color-text-muted);
    pointer-events: none;
}
.jobs-grid {
    display: grid;
    gap: var(--space-lg);
}
.job-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.job-card:hover {
    box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}
.job-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--space-md);
}
.job-title h3 {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}
.job-title .description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}
.job-status {
    padding: 6px 12px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}
.job-status.active {
    background: var(--color-success);
    color: white;
}
.job-status.paused {
    background: #f39c12;
    color: white;
}
.job-status.disabled {
    background: var(--color-text-muted);
    color: white;
}
.job-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}
.job-info .info-item {
    background: var(--color-bg-muted);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--color-primary);
}
.job-info .info-item.cron .value {
    font-family: 'Courier New', monospace;
}
.stats {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-light);
}
.stats .stat-item {
    flex: 1;
    text-align: center;
    padding: var(--space-md);
    background: var(--color-bg-muted);
    border-radius: var(--radius-sm);
}
.stats .stat-item .label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}
.stats .stat-item .value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}
.settings-panel {
    display: none;
}
.settings-panel.active {
    display: block;
}
.trading-form-panel {
    min-height: 120px;
}
.trading-form-panel.loading {
    opacity: 0.6;
    pointer-events: none;
}
.trading-success {
    color: var(--color-success);
    font-size: var(--font-size-base);
    margin-top: var(--space-sm);
    display: none;
}
.trading-success.show {
    display: block;
}
.account-block {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    background: var(--color-bg-muted);
}
.help-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}
.capital-readout {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}
.error-msg {
    color: var(--color-error);
    font-size: var(--font-size-base);
    margin-top: var(--space-sm);
}
.warning-msg {
    color: #856404;
    background: #fff3cd;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: 4px;
}