/* 행운 드림 로또 웹 서비스 스타일시트 */

:root {
    /* 기본 색상 */
    --primary-color: #4158D0;
    --secondary-color: #C850C0;
    --tertiary-color: #FFCC70;
    --gradient: linear-gradient(43deg, #4158D0 0%, #C850C0 46%, #FFCC70 100%);

    /* 텍스트 및 배경 색상 */
    --text-color: #333;
    --text-light: #666;
    --bg-color: #fff;
    --bg-light: #f5f5f5;
    --border-color: #e0e0e0;

    /* 로또 번호 색상 */
    --ball-yellow: #ffc107;
    --ball-blue: #2196f3;
    --ball-red: #f44336;
    --ball-gray: #757575;
    --ball-green: #4caf50;

    /* 레이아웃 변수 */
    --sidebar-width: 240px;
    --header-height: 70px;
}

/* 다크 모드 설정 */
.dark-mode {
    --primary-color: #6366f1;
    --secondary-color: #a855f7;
    --tertiary-color: #f59e0b;
    --gradient: linear-gradient(43deg, #6366f1 0%, #a855f7 46%, #f59e0b 100%);

    --text-color: #e2e8f0;
    --text-light: #94a3b8;
    --bg-color: #1e293b;
    --bg-light: #0f172a;
    --border-color: #374151;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--secondary-color);
}

/* 사이드바 스타일 */
.side-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    /* 그라데이션을 더 부드럽고 눈이 덜 피로한 색상으로 변경 */
    background: linear-gradient(43deg, rgba(65, 88, 208, 0.8) 0%, rgba(200, 80, 192, 0.7) 46%, rgba(255, 204, 112, 0.8) 100%);
    color: white;
    z-index: 1000;
    overflow-y: auto;
    transition: all 0.3s ease;
}

/* 다크 모드의 사이드 메뉴 색상 */
.dark-mode .side-menu {
    /* 다크 모드에 더 어울리는 어두운 색상의 그라데이션 */
    background: linear-gradient(43deg, rgba(30, 41, 99, 0.9) 0%, rgba(94, 38, 91, 0.9) 46%, rgba(95, 75, 40, 0.9) 100%);
    color: rgba(255, 255, 255, 0.9);
}

.logo-section {
    text-align: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.logo-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.menu-items {
    list-style-type: none;
    padding: 20px 0;
}

.menu-items li {
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
}

/* 메뉴 아이템 호버 효과 개선 */
.menu-items li:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.dark-mode .menu-items li:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 활성 메뉴 아이템 배경색 개선 */
.menu-items li.active {
    background-color: rgba(255, 255, 255, 0.25);
    font-weight: 500;
}

.dark-mode .menu-items li.active {
    background-color: rgba(255, 255, 255, 0.15);
}

.menu-items li i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
    font-size: 18px;
}

.bottom-info {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 15px;
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    background-color: rgba(0, 0, 0, 0.1);
}

/* 메인 컨텐츠 영역 */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 20px;
    transition: margin-left 0.3s ease;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.header-title h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.header-title p {
    color: var(--text-light);
    margin: 5px 0 0;
}

.header-actions button {
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s;
    color: var(--text-color);
    background-color: rgba(0, 0, 0, 0.05);
}

.header-actions button:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.dark-mode .header-actions button {
    background-color: rgba(255, 255, 255, 0.1);
}

.dark-mode .header-actions button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 탭 컨텐츠 */
.content-section {
    min-height: calc(100vh - var(--header-height) - 80px);
}

.tab-content {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tab-content.active {
    display: block;
    opacity: 1;
}

/* 카드 스타일 */
.card {
    background-color: var(--bg-color);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    margin-bottom: 20px;
    border: none;
    transition: box-shadow 0.3s, transform 0.3s;
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-color);
}

.card-header h5 {
    margin: 0;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.card-header h5 i {
    margin-right: 8px;
    color: var(--primary-color);
}

.card-body {
    padding: 20px;
}

/* 메인 페이지 스타일 */
.main-welcome {
    text-align: center;
    margin-bottom: 2rem;
}

.main-header {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.main-subheader {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* 번호 생성 영역 */
.generation-info {
    background-color: rgba(0, 0, 0, 0.02);
    padding: 15px;
    border-radius: 8px;
    height: 100%;
}

.generation-info h6 {
    margin-bottom: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.generation-info h6 i {
    margin-right: 8px;
    color: var(--primary-color);
}

.result-section {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-top: 20px;
}

/* 로또 번호 볼 스타일 */
.number-ball {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.number-ball:hover {
    transform: scale(1.1);
}

.number-ball.mini {
    width: 28px;
    height: 28px;
    font-size: 12px;
    display: inline-flex;
    margin-right: 8px;
}

.ball-yellow {
    background-color: var(--ball-yellow);
    color: #333;
}

.ball-blue {
    background-color: var(--ball-blue);
}

.ball-red {
    background-color: var(--ball-red);
}

.ball-gray {
    background-color: var(--ball-gray);
}

.ball-green {
    background-color: var(--ball-green);
}

.number-ball.bonus {
    background-color: #ff9800;
    position: relative;
}

.number-ball.bonus::after {
    content: '+';
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #ff5722;
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 게임 결과 표시 */
.game-row {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.game-row.sample {
    opacity: 0.5;
}

.game-info {
    flex: 0 0 80px;
    font-weight: 600;
}

.game-balls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* 최근 당첨번호 표시 */
.latest-draw {
    padding: 10px 0;
}

.latest-draw-number {
    font-weight: 700;
    margin-bottom: 10px;
}

.latest-draw-number span {
    color: var(--primary-color);
}

.latest-draw-balls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* 통계 영역 */
.stat-section {
    margin-bottom: 20px;
}

.stat-section h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-color);
}

.chart-container {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 10px;
}

.stat-item {
    margin-bottom: 15px;
}

.stat-item span {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-light);
}

.number-freq {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;
}

.pie-container {
    height: 150px;
    display: flex;
    justify-content: center;
}

/* 최근 당첨번호 목록 */
.recent-draws {
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    padding: 10px;
    max-height: 300px;
    overflow-y: auto;
}

.draw-row {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.draw-number {
    flex: 0 0 60px;
    font-weight: 600;
    font-size: 14px;
}

.draw-balls {
    display: flex;
    flex: 1;
    gap: 5px;
    flex-wrap: wrap;
}

/* 번호 순위 리스트 */
.number-rank-list {
    padding-left: 20px;
    margin-bottom: 0;
}

.number-rank-list li {
    margin-bottom: 10px;
    padding: 5px 0;
    display: flex;
    align-items: center;
}

/* 통계 로딩 스타일 */
.stats-loading {
    text-align: center;
    padding: 50px 0;
}

.stats-loading p {
    margin-top: 15px;
    color: var(--text-light);
}

/* 규칙 선택 탭 스타일 */
.rule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.rule-item {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 8px;
    transition: background-color 0.3s;
}

.rule-item:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.rule-desc {
    margin-top: 5px;
    margin-left: 44px;
    font-size: 13px;
    color: var(--text-light);
}

/* 설정 스타일 */
.setting-section {
    margin-bottom: 20px;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
}

.section-title {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
    color: var(--primary-color);
}

.section-title i {
    margin-right: 8px;
}

.setting-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.setting-label {
    flex: 0 0 160px;
    font-weight: 500;
}

.setting-control {
    flex: 1;
}

.range-control {
    display: flex;
    align-items: center;
}

.range-separator {
    margin: 0 10px;
    color: var(--text-light);
}

/* 도움말 탭 스타일 */
.help-section {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    grid-gap: 20px;
}

.help-item {
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    overflow: hidden;
}

.help-item h5 {
    padding: 12px 15px;
    margin: 0;
    background-color: var(--primary-color);
    color: white;
    font-size: 15px;
    font-weight: 500;
}

.help-content {
    padding: 15px;
}

.help-content p {
    margin: 0 0 8px;
    font-size: 14px;
}

.help-chart {
    margin-top: 15px;
    height: 120px;
}

/* 모서리 패턴 시각화 */
.corner-info {
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 20px;
}

.corner-header {
    background-color: var(--primary-color);
    color: white;
    padding: 8px 15px;
    font-weight: 500;
}

.corner-layout {
    padding: 15px;
    display: flex;
    justify-content: center;
}

.corner-grid {
    display: grid;
    grid-template-columns: 100px 100px;
    grid-template-rows: 100px 100px;
    gap: 30px;
    width: fit-content;
}

.corner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 6px;
    padding: 5px;
}

.corner div {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.tl {
    border-top: 3px solid var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.tr {
    border-top: 3px solid var(--secondary-color);
    border-right: 3px solid var(--secondary-color);
}

.bl {
    border-bottom: 3px solid var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.br {
    border-bottom: 3px solid var(--secondary-color);
    border-right: 3px solid var(--secondary-color);
}

/* 푸터 */
.footer {
    margin-top: 40px;
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 14px;
}

/* 로딩 스피너 */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.loading-spinner.show {
    opacity: 1;
    visibility: visible;
}

.spinner-container {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

/* 알림 스타일 */
.alert-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1060;
    max-width: 350px;
}

.custom-alert {
    margin-bottom: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* 애니메이션 효과 */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 다크/라이트 모드 전환 토글 버튼 효과 */
.theme-toggle {
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: rotate(30deg);
}

/* 폼 요소 스타일 개선 */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(65, 88, 208, 0.25);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 테이블 스타일 */
.table {
    color: var(--text-color);
}

.table th, .table td {
    padding: 12px 15px;
    vertical-align: middle;
}

/* 버튼 스타일 */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* 반응형 스타일 */
@media (max-width: 992px) {
    :root {
        --sidebar-width: 70px;
    }

    .side-menu {
        overflow: visible;
    }

    .logo-section h2, .menu-items li span, .bottom-info {
        display: none;
    }

    .menu-items li {
        justify-content: center;
        padding: 15px 0;
    }

    .menu-items li i {
        margin-right: 0;
        font-size: 18px;
    }

    .side-menu:hover, .side-menu.expanded {
        width: 240px;
    }

    .side-menu:hover .logo-section h2,
    .side-menu:hover .menu-items li span,
    .side-menu:hover .bottom-info,
    .side-menu.expanded .logo-section h2,
    .side-menu.expanded .menu-items li span,
    .side-menu.expanded .bottom-info {
        display: block;
    }

    .side-menu:hover .menu-items li,
    .side-menu.expanded .menu-items li {
        justify-content: flex-start;
        padding: 12px 20px;
    }

    .side-menu:hover .menu-items li i,
    .side-menu.expanded .menu-items li i {
        margin-right: 10px;
    }

    .rule-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .rule-header > * {
        margin-bottom: 10px;
    }
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding: 15px;
    }

    .side-menu {
        transform: translateX(-100%);
    }

    .side-menu.expanded {
        transform: translateX(0);
        width: 240px;
    }

    .header-title h1 {
        font-size: 1.5rem;
    }

    .help-section {
        grid-template-columns: 1fr;
    }

    .setting-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .setting-label {
        margin-bottom: 5px;
    }

    .stat-section h5 {
        font-size: 14px;
    }

    .corner-grid {
        grid-template-columns: 80px 80px;
        grid-template-rows: 80px 80px;
        gap: 20px;
    }

    .card-header h5 {
        font-size: 16px;
    }

    .game-info {
        flex: 0 0 60px;
    }

    .number-ball {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .sidebar-toggle {
        display: block !important;
    }
}

/* 스크린 리더 전용 텍스트 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* 숨김 유틸리티 클래스 */
.d-none {
    display: none !important;
}