/* =========================================
   PORTAL DA ENGENHARIA - LOGIN TEMA ESCURO
========================================= */
:root {
    --primary-yellow: #FFCC00;
    --dark-bg: #1A1A1A;
    --darker-bg: #111111;
    --gray-text: #CCCCCC;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: var(--dark-bg);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background-color: var(--darker-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    width: 100%;
    max-width: 400px;
    border-top: 4px solid var(--primary-yellow);
}

.logo-area {
    text-align: center;
    margin-bottom: 30px;
}

.logo-area h1 {
    font-size: 1.8rem;
    margin: 0 0 5px 0;
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: -1px;
}

.logo-area h1 span {
    color: var(--primary-yellow);
    font-weight: 400;
}

.logo-area p {
    color: var(--gray-text);
    font-size: 0.85rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.input-group {
    margin-bottom: 20px;
    position: relative;
}

.input-group i {
    position: absolute;
    top: 14px;
    left: 15px;
    color: #888;
}

.input-group input {
    width: 100%;
    padding: 12px 15px 12px 40px;
    background-color: #222;
    border: 1px solid #333;
    color: #fff;
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    box-sizing: border-box;
    transition: all 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-yellow);
    box-shadow: 0 0 5px rgba(255, 204, 0, 0.3);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-yellow);
    color: #111;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s;
    text-transform: uppercase;
}

.btn-login:hover {
    background-color: #e6b800;
}

.error-msg {
    background-color: rgba(255, 51, 51, 0.1);
    color: #ff3333;
    padding: 10px;
    border-radius: 4px;
    border-left: 3px solid #ff3333;
    margin-bottom: 20px;
    font-size: 0.9rem;
    text-align: center;
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 25px;
    color: #888;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}

.back-link:hover {
    color: var(--primary-yellow);
}