body {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%); /* deep black */
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #e5e5e5;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: #111; /* black card */
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8);
    overflow: hidden;
    max-width: 450px;
    width: 100%;
    border: 1px solid rgba(246, 238, 68, 0.15); /* faint yellow-gold outline */
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card-header {
    background: linear-gradient(135deg, #f6ee44, #c4bc35); /* yellow-gold gradient */
    text-align: center;
    padding: 2rem;
    color: #111;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

.logo-icon {
    width: 70px;
    height: 70px;
    background: radial-gradient(circle at center, #f6ee44 0%, #c4bc35 70%);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #111;
    box-shadow: 0 0 20px rgba(246, 238, 68, 0.4);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #111; /* dark text on light background */
}

.card-subtitle {
    font-size: 0.95rem;
    color: #333;
}

.card-body {
    padding: 2.5rem;
}

.form-floating > .form-control {
    background: #1a1a1a;
    border: 2px solid #2e2e2e;
    border-radius: 12px;
    padding: 1rem 0.75rem;
    height: calc(3.5rem + 2px);
    color: #f5f5f5;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.form-floating > .form-control:focus {
    border-color: #f6ee44;
    box-shadow: 0 0 12px rgba(246, 238, 68, 0.5);
    background: #222;
    transform: translateY(-1px);
}

.form-floating > label {
    padding: 1rem 0.75rem;
    color: #9ca3af;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-login {
    background: linear-gradient(135deg, #f6ee44, #c4bc35); /* yellow-gold gradient */
    border: none;
    border-radius: 12px;
    padding: 0.75rem 2rem;
    font-weight: 700;
    font-size: 1.15rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    width: 100%;
    height: 50px;
    color: #111;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 5px 20px rgba(246, 238, 68, 0.4);
}

.btn-login:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(246, 238, 68, 0.6);
    background: linear-gradient(135deg, #fff566, #a89d2a); /* brighter yellow-gold gradient */
    color: #111;
}

.btn-login:focus {
    box-shadow: 0 0 0 0.25rem rgba(246, 238, 68, 0.6);
}

.alert-danger {
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #ff4d4d, #b91c1c);
    color: white;
    padding: 1rem;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.input-group-text {
    background: #1a1a1a;
    border: 2px solid #2e2e2e;
    border-right: none;
    border-radius: 12px 0 0 12px;
    color: #f6ee44;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 12px 12px 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.input-group:focus-within .input-group-text {
    border-color: #f6ee44;
    box-shadow: 0 0 8px rgba(246, 238, 68, 0.4);
    transform: translateY(-1px);
}

.divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
    color: #a3a3a3;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #2e2e2e;
}

.divider span {
    background: #111;
    padding: 0 1rem;
    color: #f6ee44;
    font-weight: 600;
}

@media (max-width: 576px) {
    .login-container {
        padding: 10px;
    }

    .card-body {
        padding: 2rem 1.5rem;
    }

    .card-header {
        padding: 1.5rem;
    }
}

.animate-in {
    animation: slideInUp 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    background:black;
}