body {
    background: linear-gradient(135deg, #0d1117, #1f2937);
    color: white;
    min-height: 100vh;
}

.hero-section {
    padding: 80px 20px;
    text-align: center;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: bold;
}

.hero-section p {
    max-width: 850px;
    margin: 20px auto;
    font-size: 1.1rem;
    color: #d1d5db;
}

.card-custom {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    border-radius: 18px;
    backdrop-filter: blur(8px);
    color: white;
    transition: 0.3s;
}

.card-custom:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.btn-custom {
    border-radius: 30px;
    padding: 12px 24px;
    font-weight: 600;
}

.feature-icon {
    font-size: 2rem;
    color: #0dcaf0;
}
.register-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 15px;
}

.register-card {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    color: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    max-width: 550px;
    width: 100%;
}

.form-control {
    border-radius: 12px;
    padding: 12px;
}
.form-box {
    max-width: 650px;
    margin: 50px auto;
    background: rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}
.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 202, 240, 0.25);
    border-color: #0dcaf0;
}
.search-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 15px;
}

.search-card {
    background: rgba(255,255,255,0.08);
    border-radius: 20px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    max-width: 700px;
    width: 100%;
}
.btn-custom {
    border-radius: 30px;
    padding: 12px 24px;
    font-weight: 600;
}

.back-link {
    text-decoration: none;
    color: #0dcaf0;
    font-weight: 500;
}

.back-link:hover {
    color: #66e3ff;
}

.form-check-label {
    color: #d1d5db;
}
.divider {
    border-top: 1px solid rgba(255,255,255,0.2);
    margin: 30px 0;
}
.text-muted-custom {
    color: #cbd5e1;
}
.menu-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 15px;
}

.menu-card {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    color: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    max-width: 600px;
    width: 100%;
}

.menu-item {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    transition: 0.3s;
}

.menu-item:hover {
    background: rgba(13, 202, 240, 0.2);
    transform: translateX(5px);
}

.menu-link {
    text-decoration: none;
    color: white;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.menu-link:hover {
    color: #0dcaf0;
}

.logout {
    color: #ff6b6b !important;
}

.logout:hover {
    color: #ff4c4c !important;
}

.welcome-text {
    color: #cbd5e1;
}
.main-box {
    max-width: 1000px;
    margin: 40px auto;
    background: rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
}

.back-link {
    text-decoration: none;
    color: #0dcaf0;
    font-weight: 500;
}

.back-link:hover {
    color: #66e3ff;
}

.stat-card {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
}
footer {
    margin-top: 50px;
    padding: 20px;
    text-align: center;
    color: #cbd5e1;
}