:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --border-radius: 15px;
    --box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: 100%;
    overflow-x: hidden;
    padding-bottom: 70px;
}

.container {
    width: 100%;
    max-width: 100%;
    padding: 15px;
    margin: 0 auto;
    flex: 1;
}

.header {
    background: white;
    border-radius: 0 0 20px 20px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.menu {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

.menu a {
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.menu a:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

.card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: var(--box-shadow);
    width: 100%;
}

.event-card {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    text-align: center;
    padding: 25px 15px;
}

.form-group {
    margin-bottom: 20px;
    width: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-size: 14px;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102,126,234,0.4);
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    display: flex;
    justify-content: space-around;
    padding: 10px 5px;
    box-shadow: 0 -2px 20px rgba(0,0,0,0.1);
    z-index: 1000;
}

.bottom-nav a {
    color: #666;
    text-decoration: none;
    font-size: 12px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bottom-nav a.active {
    color: var(--primary);
}

.bottom-nav i {
    font-size: 24px;
    margin-bottom: 4px;
}

.footer {
    background: white;
    border-radius: 20px 20px 0 0;
    padding: 20px;
    text-align: center;
    font-size: 14px;
    color: #666;
    margin-top: 20px;
}