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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #e0e0e0;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: rgba(15, 12, 41, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 1.8em;
    color: #00d4ff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.subtitle {
    font-size: 0.9em;
    color: #aaa;
    margin-top: 5px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-list a {
    color: #ccc;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s;
}

.nav-list a:hover, .nav-list a.active {
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5em;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
        background: rgba(15, 12, 41, 0.98);
        padding: 20px 0;
    }
    .nav-list.show {
        display: flex;
    }
    .hamburger {
        display: block;
    }
}

.dashboard, .real-time, .news-section, .ranking-section, .sectors-section, .watchlist-section, .kline-section {
    padding: 40px 0;
}

h2 {
    font-size: 1.6em;
    color: #fff;
    margin-bottom: 20px;
    border-left: 4px solid #00d4ff;
    padding-left: 15px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.dashboard-card {
    text-align: center;
}

.dashboard-card h3 {
    font-size: 1em;
    color: #aaa;
    margin-bottom: 10px;
}

.price {
    font-size: 1.8em;
    font-weight: bold;
}

.up { color: #00ff88; }
.down { color: #ff4444; }

.change {
    font-size: 1em;
    margin-top: 5px;
}

.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-bar input, .search-bar select {
    padding: 12px 20px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1em;
    flex: 1;
    min-width: 200px;
    outline: none;
    transition: border-color 0.3s;
}

.search-bar input:focus, .search-bar select:focus {
    border-color: #00d4ff;
}

.search-bar select option {
    background: #302b63;
    color: #fff;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

th {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    font-weight: 600;
}

tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-watchlist {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: #ffd700;
    transition: transform 0.3s;
}

.btn-watchlist:hover {
    transform: scale(1.2);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.news-card h3 {
    font-size: 1.1em;
    margin-bottom: 10px;
    color: #fff;
}

.meta {
    font-size: 0.85em;
    color: #888;
    margin-bottom: 10px;
}

.tag {
    display: inline-block;
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    margin-top: 10px;
}

.footer {
    background: rgba(15, 12, 41, 0.95);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer a {
    color: #00d4ff;
    text-decoration: none;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(135deg, #0f0c29, #302b63);
}

.login-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 20px;
}

.login-card form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-card input {
    padding: 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1em;
}

.login-card button {
    padding: 12px;
    border-radius: 10px;
    border: none;
    background: #00d4ff;
    color: #000;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

.login-card button:hover {
    background: #00b8e6;
}

.login-card a {
    display: block;
    text-align: center;
    margin-top: 15px;
    color: #00d4ff;
    text-decoration: none;
}

.success {
    color: #00ff88;
    background: rgba(0, 255, 136, 0.1);
    padding: 10px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.error {
    color: #ff4444;
    background: rgba(255, 68, 68, 0.1);
    padding: 10px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 25px;
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
    text-decoration: none;
    transition: background 0.3s;
    border: 1px solid #00d4ff;
}

.btn:hover {
    background: rgba(0, 212, 255, 0.4);
}

.btn-primary {
    background: #00d4ff;
    color: #000;
    border: none;
    margin-top: 20px;
}

.btn-primary:hover {
    background: #00b8e6;
}

.admin-table input, .admin-table textarea {
    width: 100%;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.admin-table textarea {
    resize: vertical;
    min-height: 60px;
}

.kline-chart-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 20px;
    min-height: 500px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}