:root {
    --bg: #1a1b26;
    --bg-dark: #16161e;
    --fg: #c0caf5;
    --fg-dim: #a9b1d6;
    --blue: #7aa2f7;
    --cyan: #7dcfff;
    --green: #9ece6a;
    --purple: #bb9af7;
    --red: #f7768e;
    --yellow: #e0af68;  
    --border: #2f334d;
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--fg);
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-card {
    background-color: var(--bg);
    width: 100%;
    max-width: 340px;
    padding: 30px;
    border-radius: 14px;
    border: 1px solid var(--border);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.auth-card h2 {
    margin-bottom: 8px;
}

.auth-card p {
    color: var(--fg-dim);
    font-size: 14px;
    margin-bottom: 24px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 13px;
    color: var(--fg-dim);
}

.input-group input {
    height: 42px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background-color: var(--bg-dark);
    color: var(--fg);
    outline: none;
    transition: 0.2s;
}

.input-group input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 2px rgba(122, 162, 247, 0.2);
}

.input-group.error input {
    border-color: var(--red);
}

.input-group.error input:focus {
    box-shadow: 0 0 0 2px rgba(247, 118, 142, 0.2);
}

.error-message {
    color: var(--red);
    font-size: 11px;
    margin-top: 4px;
    height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.input-group.error .error-message {
    height: 14px;
    opacity: 1;
    margin-top: 4px;
}

#notification-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: 90%;
    max-width: 400px;
}

.notification {
    background-color: var(--red);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideDown 0.3s ease-out forwards;
}

.notification.removing {
    animation: slideUp 0.3s ease-in forwards;
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(-20px); opacity: 0; }
}

button {
    height: 44px;
    border: none;
    border-radius: 8px;
    background-color: var(--blue);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    filter: brightness(1.1);
}

button:active {
    transform: scale(0.98);
}

.card-footer {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    color: var(--fg-dim);
}

.card-footer a {
    color: var(--cyan);
    text-decoration: none;
    transition: 0.2s;
}

.card-footer a:hover {
    text-decoration: underline;
}

/* --- RESPONSIVE --- */
@media screen and (max-width: 480px) {
    .login-container {
        padding: 10px;
        align-items: center;
        padding-top: 40px;
    }

    .auth-card {
        padding: 8px;
        border-radius: 12px;
        width: 100%;
        border-color: #FFFFFF00;
        background-color: var(--bg-dark);
        box-shadow: 0 0 0 0;
        text-align: center;
    }
    .auth-card p {
        font-size: 18px;
    }

    .auth-card h2 {
        font-size: 50px;
    }

    .input-group label {
        font-size: 18px;
    }

    .input-group input {
        height: 50px;
        font-size: 16px; /* Evita zoom automático no iOS */
    }

    button {
        height: 54px;
        font-size: 16px;
    }

    .card-footer {
        font-size: 14px;
        gap: 12px;
    }
}