/* Tela de login.
   Tokens em tokens.css; Roboto é carregado via <link> no Login.html. */

* {
    margin: 0;
    padding: 0;
    font-family: var(--body-font-family);
}

body {
    /* Antes: hotlink de https://i.imgur.com/K8lDBYU.jpg — dependência externa
       na porta de entrada da aplicação. Agora é um asset local otimizado. */
    background-image: url('/static/img/bg-login.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: var(--body-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(18, 18, 18, 0.85);
    z-index: -1;
}

.container {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 400px;
}

.card {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: var(--border-radius-medium);
    border: 1px solid var(--border-hover-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    width: 100%;
    position: relative;
    overflow: hidden;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--heading-color);
    font-weight: var(--font-weight-bold);
    font-size: 32px;
}

.label-float input {
    width: 100%;
    padding: 12px 15px;
    display: inline-block;
    border: 1px solid var(--border-color);
    background-color: var(--secondary-color);
    color: var(--heading-color);
    outline: none;
    min-width: 100%;
    font-size: 16px;
    transition: all .3s ease-out;
    border-radius: var(--border-radius-small);
    box-sizing: border-box;
}

.label-float {
    position: relative;
    margin-bottom: 25px;
}

.label-float input:focus {
    border-color: var(--accent);
    background-color: var(--border-color);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.35);
}

.label-float input::placeholder {
    color: var(--p-color);
    opacity: 0.7;
}

.label-float label {
    color: var(--p-color);
    pointer-events: none;
    position: absolute;
    top: -8px;
    left: 10px;
    background: var(--secondary-color);
    padding: 0 5px;
    font-size: 12px;
    font-weight: var(--font-weight-normal);
}

.label-float input:focus+label {
    color: var(--heading-color);
}

button {
    background: var(--custom-btn-bg-color);
    border: 2px solid transparent;
    border-radius: var(--border-radius-small);
    color: var(--white-color);
    padding: 12px 24px;
    font-weight: var(--font-weight-bold);
    font-size: 14px;
    margin-top: 20px;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    width: 100%;
    font-family: var(--body-font-family);
}

button:hover {
    background: var(--custom-btn-bg-hover-color);
    color: var(--white-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

button:active {
    transform: translateY(0);
}

.justify-center {
    display: flex;
    justify-content: center;
}

hr {
    margin: 30px 0;
    border: none;
    height: 1px;
    background: var(--border-color);
    width: 100%;
}

p {
    color: var(--p-color);
    font-size: 14px;
    text-align: center;
    margin: 10px 0;
}

a {
    color: var(--heading-color);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    transition: all .3s ease-out;
}

a:hover {
    color: var(--link-hover-color);
}

/* Checkbox styles */
.checkbox-container {
    margin: 20px 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--p-color);
    font-size: 14px;
    user-select: none;
}

/* `display: none` tirava o checkbox da ordem de tabulação — "Manter conectado"
   ficava inalcançável pelo teclado. Escondemos visualmente mas mantemos o
   controle focável, e espelhamos o foco no .checkmark. */
.checkbox-label input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    margin: 0;
    pointer-events: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 10px;
    position: relative;
    transition: all 0.3s ease;
    background-color: transparent;
    flex-shrink: 0;
}

.checkbox-label:hover .checkmark {
    border-color: var(--link-hover-color);
}

.checkbox-label input[type="checkbox"]:focus-visible+.checkmark {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.4);
}

.checkbox-label input[type="checkbox"]:checked+.checkmark {
    background-color: var(--custom-btn-bg-color);
    border-color: var(--custom-btn-bg-color);
}

.checkbox-label input[type="checkbox"]:checked+.checkmark::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid var(--white-color);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Form validation styles */
.label-float input:invalid:not(:placeholder-shown) {
    border-color: var(--danger-color);
}

/* Loading state for button */
button:disabled {
    background: var(--border-color);
    cursor: not-allowed;
    transform: none;
}

/* Focus trap for accessibility */
.card:focus-within {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 2px var(--border-color);
}