@import url('https://fonts.googleapis.com/css?family=Inter:400,500,600,700&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css');

:root {
    /* Colors from comps.css or derived for consistency */
    --primary-color: #003366; /* Main accent from comps.css */
    --primary-light: #0055a4; /* Lighter variant of primary */
    --primary-dark: #002244;  /* Darker variant of primary */
    --secondary-color: #007bff; /* Link color from comps.css, as a secondary blue */
    --accent-color: #007bff;    /* Using link color as general accent */

    --text-color: #333333;       /* General text from comps.css */
    --text-light: #666666;     /* Muted text from comps.css */
    --text-dark: #1a1a1a;        /* Very dark gray for high contrast text */

    --background-color: #f0f2f5; /* Main background from comps.css */
    --card-color: #ffffff;         /* Card/container background from comps.css */
    --border-color: #e1e4e8;     /* Border color from comps.css */

    /* Semantic colors - kept from original stock.css as comps.css has no direct equivalents */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #007bff;         /* Link color from comps.css for info state */

    /* UI properties from original stock.css */
    --shadow: 0 2px 15px rgba(0, 0, 0, 0.08); /* Shadow similar to comps.css container */
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body.dark {
    /* Derived dark theme consistent with comps.css light theme aesthetic */
    --primary-color: #5fa8ff;    /* Brighter blue for dark mode primary, e.g. similar to #007bff but lighter */
    --primary-light: #8bc0ff;   /* Lighter variant */
    --primary-dark: #2a7fff;     /* Darker variant */
    --secondary-color: #8bc0ff;   /* Brighter secondary */
    --accent-color: #8bc0ff;      /* Brighter accent */

    --text-color: #e2e8f0;       /* Light gray for text */
    --text-light: #94a3b8;     /* Medium gray for muted text */
    --text-dark: #f8fafc;        /* Almost white for high contrast text elements */

    --background-color: #0b132b; /* Very dark desaturated blue */
    --card-color: #1c2541;         /* Dark blue/gray, lighter than background */
    --border-color: #3a506b;     /* Medium dark gray/blue for borders */

    /* Semantic colors for dark mode - brightened versions */
    --success-color: #34d399; 
    --warning-color: #facc15;
    --danger-color: #f87171;
    --info-color: #8bc0ff; 
}

.container {
    width: 100%;
    max-width: 100%;
    margin: auto;
    background-color: var(--card-color);
    padding: 30px;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

/* 헤더 섹션 */
header {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 25px;
    text-align: center;
}

.header-container {
    width: 100%;
    max-width: 100%;
    padding: 2rem 1.5rem;
    background-color: white;
    color: var(--text-dark);
    border-radius: 0;
    margin-bottom: 2rem;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    color: black;
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

body.dark h1 {
    color: var(--primary-light);
}

h2, h3 {
    color: var(--primary-color);
    margin-top: 0;
}

body.dark h2, body.dark h3 {
    color: var(--primary-color);
}

/* 입력 카드 스타일 */
.form-section {
    margin-bottom: 40px;
}

/* 학습 모드 선택기 */
.learning-mode-selector {
    margin-bottom: 30px;
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.learning-mode-selector h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mode-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.mode-option {
    flex: 1;
    min-width: 200px;
    background-color: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.mode-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.mode-option.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-dark);
}

.mode-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.mode-option i {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.mode-option.active i {
    color: white;
}

.mode-option span {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 5px;
    display: block;
}

.mode-option small {
    color: var(--text-light);
    font-size: 0.9rem;
}

.mode-option.active small {
    color: rgba(255, 255, 255, 0.8);
}

body.dark .form-section {
    background-color: var(--card-color);
    border-color: var(--border-color);
}

.form-section h2 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 18px;
    color: var(--primary-color);
}

body.dark .form-section h2 {
    color: var(--primary-color);
}

form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

/* 검색 패널 */
.search-panel {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.search-panel h2 {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.helper-text {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.5;
}

.search-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
    align-items: flex-start;
}

.search-controls .form-group {
    flex: 1;
    min-width: 200px;
}

.form-group {
    display: flex;
    flex-direction: column;
    min-width: 150px;
    flex: 1 0 200px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1rem;
}

body.dark .form-group label {
    color: var(--text-color);
}

.field-hint {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 5px;
}

body.dark .form-group label {
    color: #ccc;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select {
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-size: 14px;
    background-color: #fff;
    color: #333;
}

body.dark .form-group input[type="text"],
body.dark .form-group input[type="number"],
body.dark .form-group select {
    background-color: #333;
    border-color: #555;
    color: #eee;
}

.form-group input[type="text"]:focus,
.form-group input[type="number"]:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* 지표 그룹 스타일 */
.indicator-groups {
    margin-top: 20px;
}

.indicator-groups h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #003366;
    border-bottom: 1px solid #eaeaea;
    padding-bottom: 10px;
}

body.dark .indicator-groups h3 {
    color: #4d8bf5;
    border-bottom-color: #444;
}

.indicator-category {
    margin-bottom: 25px;
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.indicator-category:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.indicator-category h3, .indicator-category h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.indicator-category h3:before, .indicator-category h4:before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 18px;
    background-color: var(--primary-color);
    border-radius: 2px;
    margin-right: 8px;
}

body.dark .indicator-category h3, body.dark .indicator-category h4 {
    color: var(--primary-light);
}

.checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    margin-bottom: 10px;
}

.indicator-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    background-color: var(--background-color);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.indicator-btn:hover {
    background-color: rgba(37, 99, 235, 0.05);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.indicator-btn input[type="checkbox"]:checked ~ .indicator-name {
    color: var(--primary-color);
}

.indicator-btn input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.indicator-btn input[type="checkbox"]:checked + .indicator-name {
    color: #1a73e8;
    font-weight: 600;
}

.indicator-btn input[type="checkbox"]:checked ~ .indicator-btn {
    background-color: #e8f0fe;
    border-color: #1a73e8;
}

.indicator-name {
    margin-right: 5px;
}

.dark-mode-btn {
    background-color: #f0f0f0;
}

body.dark .indicator-btn {
    background-color: #2d2d2d;
    border-color: #444;
    color: #ccc;
}

body.dark .indicator-btn:hover {
    background-color: #3a3a3a;
    border-color: #555;
}

body.dark .indicator-btn input[type="checkbox"]:checked + .indicator-name {
    color: #4d8bf5;
}

body.dark .indicator-btn input[type="checkbox"]:checked ~ .indicator-btn {
    background-color: #1c3a5e;
    border-color: #4d8bf5;
}

body.dark .dark-mode-btn {
    background-color: #333;
}

/* 툴팁 스타일 */
.tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--primary-color);
    margin-left: 8px;
    font-size: 1rem;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background-color: rgba(37, 99, 235, 0.1);
    transition: var(--transition);
}

.tooltip:hover {
    background-color: rgba(37, 99, 235, 0.2);
    transform: scale(1.1);
}

body.dark .tooltip {
    color: var(--primary-light);
    background-color: rgba(59, 130, 246, 0.15);
}

body.dark .tooltip:hover {
    background-color: rgba(59, 130, 246, 0.25);
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 280px;
    background-color: var(--card-color);
    color: var(--text-color);
    text-align: left;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    line-height: 1.5;
    font-weight: 400;
    padding: 15px;
    position: absolute;
    z-index: 10;
    bottom: 130%;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    max-width: 90vw;
    font-weight: normal;
    line-height: 1.5;
}

/* 왼쪽 가장자리에 있는 툴팁이 짤리지 않도록 조정 */
.checkboxes .indicator-btn:first-child .tooltip .tooltip-text,
.indicator-category:first-child .checkboxes .indicator-btn:first-child .tooltip .tooltip-text {
    left: 0;
    transform: translateX(0);
}

/* 오른쪽 가장자리에 있는 툴팁이 짤리지 않도록 조정 */
.checkboxes .indicator-btn:last-child .tooltip .tooltip-text,
.indicator-category:last-child .checkboxes .indicator-btn:last-child .tooltip .tooltip-text {
    left: auto;
    right: 0;
    transform: translateX(0);
}

body.dark .tooltip .tooltip-text {
    background-color: #2a2a2a;
    color: #eee;
    border-color: #444;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

/* 폼 액션 스타일 */
.form-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    padding: 10px 0;
}

body.dark .form-actions {
    border-top-color: #444;
}

.backtest-strategy {
    display: flex;
    align-items: center;
    gap: 10px;
}

.backtest-strategy label {
    font-weight: 500;
    color: #555;
    font-size: 14px;
}

body.dark .backtest-strategy label {
    color: #ccc;
}

.backtest-strategy select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background-color: #fff;
    color: #333;
}

body.dark .backtest-strategy select {
    background-color: #333;
    border-color: #555;
    color: #eee;
}

/* 버튼 스타일 */
.submit-button-container {
    text-align: center;
    width: 100%;
    margin: 30px 0;
    position: relative;
    padding-bottom: 30px;
}

.button-finance-icons {
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.9rem;
}

.button-finance-icons i {
    margin: 0 8px;
    color: var(--primary-color);
    opacity: 0.7;
    animation: float 3s ease-in-out infinite;
}

.button-finance-icons i:nth-child(1) {
    animation-delay: 0s;
}

.button-finance-icons i:nth-child(2) {
    animation-delay: 0.5s;
}

.button-finance-icons i:nth-child(3) {
    animation-delay: 1s;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
    100% {
        transform: translateY(0);
    }
}

.submit-button {
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: white;
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3), 0 6px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    min-width: 280px;
}

.submit-button:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(59, 130, 246, 0.4), 0 8px 10px rgba(0, 0, 0, 0.15);
}

.submit-button:hover:before {
    opacity: 1;
}

.submit-button:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.submit-button i {
    font-size: 1.5rem;
    animation: pulse-icon 2s infinite;
}

.highlight-button {
    position: relative;
}

@keyframes pulse-icon {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* 금융 차트 애니메이션 효과 */
.submit-button::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: rgba(255, 255, 255, 0.7);
    z-index: 0;
    clip-path: polygon(
        0% 0%, 10% 50%, 20% 20%, 30% 0%, 
        40% 30%, 50% 50%, 60% 40%, 
        70% 0%, 80% 30%, 90% 10%, 100% 50%,
        100% 100%, 0% 100%
    );
    animation: chart-move 3s infinite;
}

@keyframes chart-move {
    0% {
        clip-path: polygon(
            0% 0%, 10% 50%, 20% 20%, 30% 0%, 
            40% 30%, 50% 50%, 60% 40%, 
            70% 0%, 80% 30%, 90% 10%, 100% 50%,
            100% 100%, 0% 100%
        );
    }
    50% {
        clip-path: polygon(
            0% 50%, 10% 0%, 20% 40%, 30% 50%, 
            40% 20%, 50% 0%, 60% 30%, 
            70% 50%, 80% 10%, 90% 40%, 100% 0%,
            100% 100%, 0% 100%
        );
    }
    100% {
        clip-path: polygon(
            0% 0%, 10% 50%, 20% 20%, 30% 0%, 
            40% 30%, 50% 50%, 60% 40%, 
            70% 0%, 80% 30%, 90% 10%, 100% 50%,
            100% 100%, 0% 100%
        );
    }
}

.btn-submit:hover {
    background-color: #1765cc;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-submit:active {
    background-color: #1557b0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transform: translateY(1px);
}

/* 차트 및 결과 섹션 스타일 */
.chart-section,
.summary-section,
.explanation-section,
.backtest-trades,
.performance-metrics {
    margin: 30px 0;
    padding: 25px;
    background-color: #fff;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

body.dark .chart-section,
body.dark .summary-section,
body.dark .explanation-section,
body.dark .backtest-trades,
body.dark .performance-metrics {
    background-color: #2a2a2a;
    border-color: #444;
}

.chart-section h2,
.summary-section h2,
.explanation-section h2,
.backtest-trades h2,
.performance-metrics h2 {
    color: #003366;
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eaeaea;
}

body.dark .chart-section h2,
body.dark .summary-section h2,
body.dark .explanation-section h2,
body.dark .backtest-trades h2,
body.dark .performance-metrics h2 {
    color: #4d8bf5;
    border-bottom-color: #444;
}

.placeholder {
    text-align: center;
    font-style: italic;
    color: #777;
    padding: 30px 0;
}

body.dark .placeholder {
    color: #999;
}

/* 알림 스타일 */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
}

.alert.error {
    background-color: #fef0f0;
    color: #b71c1c;
    border-left: 4px solid #f44336;
}

body.dark .alert.error {
background-color: #3d2929;
color: #ff8a80;
border-left-color: #b71c1c;
}

/* 설정 패널 스타일 */
.settings-panel {
margin-top: 20px;
padding: 20px;
background-color: var(--card-color);
border-radius: var(--border-radius);
border: 1px solid var(--border-color);
}

.settings-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 20px;
}

.setting-group {
margin-bottom: 15px;
}

.setting-group h4 {
font-size: 1rem;
margin-bottom: 10px;
color: var(--primary-color);
display: flex;
align-items: center;
gap: 8px;
}

.radio-buttons {
display: flex;
flex-wrap: wrap;
gap: 10px;
}

.radio-btn {
display: flex;
align-items: center;
cursor: pointer;
padding: 6px 12px;
border-radius: var(--border-radius);
background-color: var(--background-color);
border: 1px solid var(--border-color);
transition: var(--transition);
}

.radio-btn:hover {
background-color: rgba(59, 130, 246, 0.1);
}

.radio-btn input[type="radio"] {
margin-right: 6px;
}

.radio-name {
font-size: 0.9rem;
}

.select-container {
margin-top: 8px;
}

.setting-select {
width: 100%;
padding: 8px 12px;
border-radius: var(--border-radius);
border: 1px solid var(--border-color);
background-color: var(--background-color);
color: var(--text-color);
font-size: 0.9rem;
cursor: pointer;
transition: var(--transition);
}

.setting-select:hover {
border-color: var(--primary-color);
}

body.dark .radio-btn {
background-color: var(--card-color);
border-color: var(--border-color);
}

body.dark .radio-btn:hover {
background-color: rgba(59, 130, 246, 0.2);
}

body.dark .setting-select {
background-color: var(--card-color);
border-color: var(--border-color);
}

/* 로딩 스타일 */
#loading {
text-align: center;
margin: 30px 0;
padding: 20px;
background-color: rgba(255, 255, 255, 0.9);
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body.dark #loading {
    background-color: rgba(30, 30, 30, 0.9);
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top: 4px solid #1a73e8;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

body.dark .spinner {
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: #4d8bf5;
}

#loading p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

body.dark #loading p {
    color: #ccc;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.backtest-trades table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.backtest-trades th, .backtest-trades td {
    padding: 8px;
    text-align: center;
    border: 1px solid #ccc;
}

.performance-metrics ul {
    list-style-type: none;
    padding-left: 0;
}

.performance-metrics li {
    padding: 5px 0;
}

footer {
    background-color: #f0f2f5;
    padding: 10px 0;
    text-align: center;
    margin-top: 30px;
    border-top: 1px solid #ccc;
}

body.dark footer {
    background-color: #1e1e1e;
    border-top: 1px solid #444;
}

.footer-container p {
    margin: 0;
    font-size: 0.9em;
    color: #777;
}

body.dark .footer-container p {
    color: #aaa;
}