:root {
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --card-bg: rgba(255, 255, 255, 0.98);
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --accent-color: #0984e3;
    --btn-primary: #0984e3;
    --btn-secondary: #00b894;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    --border-radius: 32px;
}

body.dark-mode {
    --bg-gradient: linear-gradient(135deg, #2d3436 0%, #000000 100%);
    --card-bg: rgba(45, 52, 54, 0.98);
    --text-primary: #dfe6e9;
    --text-secondary: #b2bec3;
    --shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Pretendard', sans-serif; background: var(--bg-gradient); color: var(--text-primary); transition: all 0.5s; overflow-x: hidden; line-height: 1.6; }

.container { max-width: 900px; margin: 0 auto; padding: 100px 20px 60px; }

/* Navbar */
.navbar { height: 70px; background: var(--card-bg); position: fixed; top: 0; width: 100%; z-index: 1000; box-shadow: 0 2px 15px rgba(0,0,0,0.05); }
.nav-container { display: flex; justify-content: space-between; align-items: center; height: 100%; max-width: 900px; margin: 0 auto; padding: 0 20px; }
.nav-logo { font-size: 1.5rem; font-weight: 800; color: var(--accent-color); text-decoration: none; }
.nav-links { display: flex; gap: 20px; }
.nav-link { text-decoration: none; color: var(--text-primary); font-weight: 600; font-size: 0.95rem; transition: color 0.3s; }
.nav-link:hover { color: var(--accent-color); }
#theme-toggle { background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* Main Card */
.main-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 3.5rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.mode-tabs {
    display: flex; justify-content: center; gap: 15px; background: rgba(0,0,0,0.03); padding: 10px;
    border-radius: 20px; margin-bottom: 3rem; max-width: 450px; margin-left: auto; margin-right: auto;
}

.tab-btn {
    flex: 1; padding: 12px 20px; border: none; background: transparent; color: var(--text-secondary);
    font-weight: 800; font-size: 1rem; cursor: pointer; border-radius: 14px; transition: all 0.3s;
}
.tab-btn.active { background: var(--card-bg); color: var(--accent-color); box-shadow: 0 4px 10px rgba(0,0,0,0.05); }

/* Views & Controls */
.game-header { text-align: center; margin-bottom: 2.5rem; }
.game-header h1 { font-size: 2rem; margin-bottom: 0.5rem; font-weight: 800; }
.game-header p { color: var(--text-secondary); }

.numbers-display { display: flex; gap: 15px; margin: 2.5rem 0; justify-content: center; flex-wrap: wrap; min-height: 70px; }
.number {
    width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; font-weight: 800; color: white; box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.spinning { filter: blur(3px); transform: scale(0.9); transition: all 0.1s; }

.manual-inputs { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 2rem 0; }
.manual-inputs input {
    width: 65px; height: 65px; border-radius: 16px; border: 2px solid #ddd; text-align: center;
    font-size: 1.5rem; font-weight: 800; background: var(--card-bg); color: var(--text-primary); outline: none; transition: all 0.3s;
}
.manual-inputs input:focus { border-color: var(--accent-color); transform: scale(1.1); box-shadow: 0 0 20px rgba(9, 132, 227, 0.15); }

.button-group { display: flex; justify-content: center; margin-top: 1.5rem; }
.btn-primary, .btn-secondary {
    padding: 18px 48px; border: none; border-radius: 18px; font-weight: 700; cursor: pointer; transition: all 0.3s; font-size: 1.1rem;
}
.btn-primary { background: var(--btn-primary); color: white; box-shadow: 0 8px 25px rgba(9, 132, 227, 0.3); }
.btn-secondary { background: var(--btn-secondary); color: white; box-shadow: 0 8px 25px rgba(0, 184, 148, 0.3); }
.btn-primary:hover, .btn-secondary:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(0,0,0,0.2); }

/* Report Area */
.report-section { background: var(--card-bg); padding: 4rem 3rem; border-radius: 40px; box-shadow: var(--shadow); margin-bottom: 5rem; }
.analyzed-numbers-tag { display: inline-block; background: var(--accent-color); color: white; padding: 6px 16px; border-radius: 30px; font-weight: 800; font-size: 0.9rem; margin-bottom: 1.5rem; }
.report-header { text-align: center; margin-bottom: 3rem; }
.disclaimer { font-size: 0.85rem; color: #e74c3c; font-weight: 600; margin-top: 10px; }

.status-card { display: flex; align-items: center; gap: 2.5rem; background: rgba(9, 132, 227, 0.05); padding: 2.5rem; border-radius: 32px; border: 1px solid rgba(9, 132, 227, 0.1); margin-bottom: 3rem; }
.status-icon { font-size: 4rem; }
.status-text h3 { font-size: 2.2rem; font-weight: 800; color: var(--accent-color); }
.analysis-details-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 25px; }
.analysis-item-card { background: var(--card-bg); padding: 2rem; border-radius: 28px; border: 1px solid rgba(0,0,0,0.05); transition: all 0.3s ease; }
.item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.item-title { font-weight: 800; color: var(--text-primary); }
.item-value { font-weight: 800; font-size: 1.4rem; color: var(--accent-color); background: rgba(9, 132, 227, 0.08); padding: 4px 14px; border-radius: 12px; }
.item-desc { font-size: 0.9rem; color: var(--text-secondary); }

/* Winning Section Styles */
.winning-card { background: var(--card-bg); padding: 3rem 2rem; border-radius: var(--border-radius); border-top: 5px solid #f1c40f; }

.search-filters { display: flex; justify-content: center; gap: 10px; margin-bottom: 3rem; flex-wrap: wrap; }
.search-filters select {
    height: 55px; border-radius: 12px; border: 2px solid #ddd; padding: 0 15px;
    font-size: 1rem; font-weight: 700; outline: none; transition: all 0.3s;
    background-color: var(--card-bg); color: var(--text-primary);
}
.search-filters select:focus { border-color: var(--accent-color); }
.search-filters button { height: 55px; padding: 0 30px; }

.winning-result-area {
    margin-top: 2rem; padding: 2rem; background: rgba(0,0,0,0.02); border-radius: 25px;
    animation: fadeIn 0.5s ease;
}

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

.winning-numbers-box { display: flex; align-items: center; justify-content: center; gap: 15px; margin: 1.5rem 0; flex-wrap: wrap; }
.plus-icon { font-size: 2rem; font-weight: 800; color: var(--text-secondary); }
.winning-date { color: var(--text-secondary); font-weight: 600; margin-top: 10px; }

/* History Table Styles */
.table-wrapper { overflow-x: auto; margin-top: 1rem; border-radius: 20px; border: 1px solid rgba(0,0,0,0.05); }
.history-table { width: 100%; border-collapse: collapse; background: var(--card-bg); font-size: 0.95rem; }
.history-table th, .history-table td { padding: 18px 12px; border-bottom: 1px solid rgba(0,0,0,0.05); text-align: center; }
.history-table th { background: rgba(9, 132, 227, 0.05); font-weight: 800; color: var(--accent-color); }
.history-table td { font-weight: 600; color: var(--text-primary); }

.history-table .numbers-display { margin: 0; justify-content: center; transform: scale(0.85); gap: 8px; }
.history-table .number { width: 42px; height: 42px; font-size: 1rem; }

.loading-area { padding: 40px; text-align: center; color: var(--text-secondary); font-weight: 700; }

/* Guide Preview */
.guide-preview-section { margin-top: 4rem; }
.guide-preview-section h2 { font-size: 1.8rem; margin-bottom: 2rem; text-align: center; }
.guide-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
.guide-card { background: var(--card-bg); padding: 2rem; border-radius: 24px; box-shadow: var(--shadow); text-decoration: none; color: var(--text-primary); transition: transform 0.3s; border: 1px solid rgba(0,0,0,0.05); }
.guide-card:hover { transform: translateY(-5px); border-color: var(--accent-color); }
.guide-card h3 { color: var(--accent-color); margin-bottom: 1rem; }
.guide-card p { color: var(--text-secondary); }

/* Footer */
footer { border-top: 1px solid rgba(0,0,0,0.1); padding: 40px 0; margin-top: 60px; text-align: center; color: var(--text-secondary); font-size: 0.9rem; }
.footer-links { margin-top: 15px; display: flex; justify-content: center; gap: 20px; }
.footer-links a { text-decoration: none; color: var(--text-secondary); transition: color 0.3s; }
.footer-links a:hover { color: var(--accent-color); }

/* Ball Colors */
.num-1-10 { background: linear-gradient(135deg, #f1c40f, #f39c12); }
.num-11-20 { background: linear-gradient(135deg, #3498db, #2980b9); }
.num-21-30 { background: linear-gradient(135deg, #e74c3c, #c0392b); }
.num-31-40 { background: linear-gradient(135deg, #95a5a6, #7f8c8d); }
.num-41-45 { background: linear-gradient(135deg, #2ecc71, #27ae60); }

@media (max-width: 768px) {
    .container { padding-top: 80px; }
    .status-card { flex-direction: column; text-align: center; gap: 1rem; }
    .analysis-details-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; } /* Mobile: Hide nav links for simplicity */
}