:root {
    --primary-color: #0d6efd; /* A trustworthy, professional medical blue */
    --hover-color: #0a58ca; /* Darker blue for hover states */
    --shadow-color: 13, 110, 253; /* R, G, B for the blue shadow */
    --light-bg-color: #f8fafc;
    --border-gray: #e2e8f0;
    --text-color: #334155;
    --warning-bg: #fffcf0;
    --warning-border: #fef08a;
    --warning-text: #854d0e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--light-bg-color);
    /* Simple SVG background pattern for a medical/clean look */
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg stroke='%23cbd5e1' stroke-width='1.5' fill='none' fill-rule='evenodd' opacity='0.3'%3E%3Cpath d='M30 40h40v20H30z'/%3E%3Cpath d='M40 30h20v40H40z'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 80px 80px;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Browser Warning Banner */
.browser-warning {
    background-color: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning-text);
    text-align: left;
    padding: 15px 25px;
    font-size: 14px;
    width: 100%;
}

.browser-warning strong {
    font-weight: 700;
}

/* Main Container centered vertically and horizontally */
.login-container {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Login Card Style */
.login-card {
    background: #ffffff;
    width: 100%;
    max-width: 450px;
    border: 1px solid #f1f5f9;
    border-top: 4px solid var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04), 0 4px 10px rgba(0, 0, 0, 0.02);
    padding: 45px 40px;
    border-radius: 8px; /* Slightly more rounded for modern feel */
}

/* Brand Title replaces Logo */
.brand-title {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0.5px;
    margin-bottom: 25px;
    text-transform: uppercase;
}

/* Light divider */
.divider {
    border: none;
    height: 1px;
    background-color: #f1f5f9;
    margin-bottom: 25px;
}

/* Subtitle */
.subtitle {
    color: var(--primary-color);
    font-size: 14px;
    text-align: center;
    margin-bottom: 25px;
    font-weight: 500;
}

/* Form inputs */
.input-group {
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 14px 15px;
    border: 1px solid var(--border-gray);
    border-radius: 6px;
    font-size: 15px;
    color: var(--text-color);
    transition: all 0.2s ease;
    background-color: #fcfcfd;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(var(--shadow-color), 0.15);
}

.input-group input::placeholder {
    color: #94a3b8;
}

/* Bottom Actions Row */
.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
}

.btn-login {
    background-color: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 12px 35px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(var(--shadow-color), 0.25);
}

.btn-login:hover {
    background-color: var(--hover-color);
    box-shadow: 0 6px 16px rgba(var(--shadow-color), 0.35);
    transform: translateY(-1px);
}

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

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.forgot-password:hover {
    color: var(--hover-color);
    text-decoration: underline;
}

/* Smooth enter animation */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-card {
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}