body {
    padding-top: 0;
    padding-bottom: 0;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
    background-attachment: fixed;
    font-family: 'Almarai', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e0e6ed;
}

.container {
    width: 100%;
    max-width: 440px;
}

.form-signin {
    max-width: 420px;
    padding: 40px 35px;
    margin: 0 auto;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 18px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.04);
}

.form-signin .form-signin-heading {
    margin-bottom: 30px;
    text-align: center;
    color: #fff;
    font-weight: 800;
    font-size: 26px;
    letter-spacing: 0.5px;
}

.form-signin .checkbox {
    font-weight: normal;
    margin-bottom: 18px;
    color: rgba(255,255,255,0.5);
}

.form-signin .checkbox label {
    color: rgba(255,255,255,0.5);
}

.form-signin .checkbox input[type="checkbox"] {
    accent-color: #1f62b9;
}

.form-signin .form-control {
    position: relative;
    height: auto;
    box-sizing: border-box;
    padding: 14px 18px;
    font-size: 15px;
    font-family: 'Almarai', sans-serif;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.06);
    color: #e2e8f0;
    margin-bottom: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-signin .form-control::placeholder {
    color: rgba(255,255,255,0.3);
}

.form-signin .form-control:focus {
    z-index: 2;
    border-color: rgba(99,179,237,0.5);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 3px rgba(31, 98, 185, 0.2), 0 8px 30px rgba(31,98,185,0.15);
    color: #fff;
}

.form-signin .btn-primary {
    background: linear-gradient(135deg, #1f62b9 0%, #2980b9 100%);
    border: none;
    border-radius: 10px;
    height: 52px;
    font-size: 17px;
    font-weight: 700;
    font-family: 'Almarai', sans-serif;
    letter-spacing: 0.5px;
    color: #fff;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(31,98,185,0.3);
}

.form-signin .btn-primary:hover {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
    box-shadow: 0 6px 30px rgba(31,98,185,0.4);
    transform: translateY(-1px);
}

.form-signin .btn-primary:active {
    transform: translateY(0);
}

.alert {
    border-radius: 10px;
    font-size: 14px;
    border: none;
}

.alert-danger {
    background: rgba(229,62,62,0.15);
    border: 1px solid rgba(229,62,62,0.25);
    color: #fc8181;
}

*:not(input):not(textarea) {
    outline: none !important;
}

#inputusername {
    border-bottom-right-radius: 10px;
    border-bottom-left-radius: 10px;
}