body {
    background: linear-gradient(135deg, #1A312C 0%, #428475 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    overflow: hidden;
    position: relative;
}

/* Decorative Background Bubbles */
body::before, body::after {
    content: "";
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    z-index: 1;
    opacity: 0.15;
    filter: blur(50px);
}
body::before {
    background-color: #428475;
    top: -100px;
    left: -100px;
}
body::after {
    background-color: #4382DF;
    bottom: -100px;
    right: -100px;
}

.login-container {
    z-index: 10;
    width: 100%;
    max-width: 440px;
    padding: 15px;
}

.login-card {
    background: #ffffff; /* Solid Opaque White */
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    padding: 40px 30px;
    transition: transform 0.3s ease;
}

.brand-name {
    font-family: 'Segoe UI', sans-serif;
    font-weight: 800;
    color: #1A312C;
    letter-spacing: -0.5px;
}

.input-group {
    transition: all 0.3s ease;
}

.form-control {
    border-radius: 10px;
    border-color: #d1d8e0;
    padding: 12px 15px;
    transition: all 0.2s ease;
}

.input-group-text {
    border-radius: 10px;
    background-color: #f8f9fa;
    border-color: #d1d8e0;
    color: #428475; /* Brand success green for colorful icons */
    transition: all 0.2s ease;
}

/* Rounded corners for input groups */
.input-group > :first-child {
    border-top-left-radius: 10px !important;
    border-bottom-left-radius: 10px !important;
}

.input-group > :last-child {
    border-top-right-radius: 10px !important;
    border-bottom-right-radius: 10px !important;
}

/* Active highlight for entire input group container */
.input-group:focus-within .input-group-text {
    border-color: #428475;
    background-color: rgba(66, 132, 117, 0.05);
    color: #428475;
}

.input-group:focus-within .form-control {
    border-color: #428475;
}

.form-control:focus {
    box-shadow: none !important;
    border-color: #428475;
}

.btn-login {
    background: #428475; /* Brand success green */
    border: none;
    color: white;
    border-radius: 10px !important;
    padding: 12px 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(66, 132, 117, 0.2);
}

.btn-login:hover {
    background: #346b5e;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(66, 132, 117, 0.3);
}

.btn-login:active {
    transform: translateY(1px);
}

.toggle-password {
    cursor: pointer;
    border-left: none;
    background-color: white;
}

.toggle-password:hover {
    color: #428475;
}

.form-check-input {
    border-radius: 4px;
}

.form-check-input:checked {
    background-color: #428475;
    border-color: #428475;
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(66, 132, 117, 0.15);
    border-color: #428475;
}

.alert-dismissible {
    border-radius: 10px !important;
}

/* Style placeholders to be distinct and lighter than actual text input */
.form-control::placeholder {
    color: #a0aec0 !important;
    opacity: 0.65 !important;
    font-weight: 400;
}