* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e8e8e8;
}

.login-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.login-box h1 {
    margin: 0 0 8px;
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    color: #fff;
}

.subtitle {
    margin: 0 0 28px;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

#form-login .field {
    margin-bottom: 20px;
}

#form-login label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

#form-login input {
    width: 100%;
    padding: 12px 14px;
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    transition: border-color 0.2s, background 0.2s;
}

#form-login input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

#form-login input:focus {
    outline: none;
    border-color: #4a9eff;
    background: rgba(255, 255, 255, 0.1);
}

.msg {
    min-height: 22px;
    margin-bottom: 16px;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
}

.msg.msg-error {
    display: block;
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid rgba(220, 53, 69, 0.5);
    color: #f8a5a5;
}

.msg.msg-success {
    display: block;
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid rgba(40, 167, 69, 0.5);
    color: #90e090;
}

#form-login button i {
    margin-right: 8px;
}

#form-login button {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #0f3460, #16213e);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

#form-login button:hover {
    opacity: 0.95;
}

#form-login button:active {
    transform: scale(0.99);
}

#form-login button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}