.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.05"><path d="M0,50 Q250,0 500,50 T1000,50 V100 H0 Z"/></svg>') repeat-x;
    animation: wave 10s infinite linear;
}
@keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100px); }
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.logo-container {
    margin-bottom: 30px;
}

.logo {
    width: 120px;
    height: 120px;
    /* background: radial-gradient(circle, #1e40af 0%, #1e3a8a 100%); */
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.3);
    position: relative;
    overflow: hidden;
}

/* .logo::before { */
    /* content: 'COTNA'; */
    /* color: white; */
    /* font-weight: bold; */
    /* font-size: 14px; */
    /* position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); */
/* } */

/* .logo::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 15px;
    background: linear-gradient(45deg, #fbbf24 0%, #f59e0b  50%, #d97706 100%);
    border-radius: 15px;
} */

.login-title {
    color: #1e3a8a;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.login-subtitle {
    color: #64748b;
    margin-bottom: 30px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    color: #334155;
    font-weight: 500;
    margin-bottom: 5px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.form-group input:focus {
    outline: none;
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
    background: white;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.4);
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
}
@media (max-width: 768px) {	
    .login-card {
        margin: 20px;
        padding: 30px;
    }
}