@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

:root {
    --bg-dark: #171730;
    --card-bg: #1e1e42;
    --card-border: #2a2a57;
    --accent: #6163ff;
    --text-primary: #ffffff;
    --text-secondary: #a8a8c0;
    --input-bg: #242450;
    --error-color: #ff4757;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
}

.login-card {
    background-color: var(--card-bg);
    width: 100%;
    max-width: 440px;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    padding: 30px 20px;
    position: relative;
    overflow: hidden;
    margin: 15px;
}

.login-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.shield-icon {
    width: 60px;
    height: 60px;
    background-color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: white;
    font-size: 24px;
}

h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

h1 span {
    color: var(--accent);
    font-weight: 600;
}

.subtitle {
    text-align: center;
    margin-bottom: 25px;
    color: var(--text-secondary);
    font-size: 15px;
}

.error-message {
    background-color: rgba(255, 71, 87, 0.1);
    color: var(--error-color);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
}

.error-message i {
    margin-right: 10px;
    font-size: 16px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 25px;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 18px;
}

.input-group input {
    width: 100%;
    background-color: var(--input-bg);
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    padding: 16px 16px 16px 48px;
    outline: none;
    transition: box-shadow 0.3s;
    height: 56px;
}

.input-group input::placeholder {
    color: var(--text-secondary);
}

.input-group input:focus {
    box-shadow: 0 0 0 2px var(--accent);
}

.login-btn {
    margin-top: 10px;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0;
    height: 56px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, transform 0.2s;
}

.login-btn i {
    margin-left: 10px;
}

.login-btn:hover {
    background-color: #7275ff;
}

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

.version {
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    margin-top: 10px;
    opacity: 0.8;
}

/* Responsive styles */
@media (max-width: 480px) {
    .login-card {
        margin: 10px;
        padding: 25px 15px;
    }
    
    .shield-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    h1 {
        font-size: 22px;
    }
}