:root {
    --primary-blue: #009bb3; /* NovaMED Cyan */
    --primary-dark: #007a8c;
    --primary-light: #e0f7fa;
    --bg-gray: #f8f9fa;
    --text-dark: #1a1a1a;
    --text-muted: #757575;
    --border-color: #e0e0e0;
    --shadow: 0 4px 12px rgba(0,0,0,0.05);
    --radius: 16px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.app-container {
    width: 100%;
}

.page { display: none; }
.page.active { display: block; }

.login-container {
    padding: 2rem;
    max-width: 400px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.login-header { text-align: center; margin-bottom: 2rem; }

.logo-icon.large {
    background-color: var(--primary-blue);
    color: white;
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.form-field { margin-bottom: 20px; }
.form-field label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9rem; }

.custom-input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    outline: none;
    background: var(--bg-gray);
}

.main-action-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 10px;
}

.login-footer { text-align: center; margin-top: 20px; font-size: 0.9rem; color: var(--text-muted); }
.login-footer a { color: var(--primary-blue); font-weight: 600; text-decoration: none; }