/* ===========================================================
   LOGIN ADMINISTRATIVO — Identidade visual Azul & Branco
   =========================================================== */

:root {
    --color-primary: #1554f0;
    --color-primary-dark: #0d3bb0;
    --color-primary-light: #e8effe;
    --color-white: #ffffff;
    --color-gray-50: #f5f7fb;/* ===========================================================
   LOGIN ADMINISTRATIVO — Identidade visual Azul & Branco
   =========================================================== */

:root {
    --color-primary: #1554f0;
    --color-primary-dark: #0d3bb0;
    --color-primary-light: #e8effe;
    --color-white: #ffffff;
    --color-gray-50: #f5f7fb;
    --color-gray-200: #dde3ef;
    --color-gray-500: #6b7280;
    --color-gray-800: #1f2937;
    --color-error: #d92d20;
    --color-error-bg: #fef2f1;
    --color-success: #12b76a;
    --radius: 12px;
    --shadow-card: 0 10px 40px rgba(21, 84, 240, 0.12);
    --transition: all 0.2s ease-in-out;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 55%, #082a80 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
}

.login-card {
    background: var(--color-white);
    width: 100%;
    max-width: 420px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 40px 36px;
    animation: fadeUp 0.4s ease-out;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-brand {
    text-align: center;
    margin-bottom: 28px;
}

.login-brand__logo {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-brand__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-gray-800);
    margin: 0;
}

.login-brand__subtitle {
    font-size: 13px;
    color: var(--color-gray-500);
    margin: 4px 0 0;
}

/* ---------- Alertas ---------- */

.alert {
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 18px;
    line-height: 1.4;
}

.alert--error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid rgba(217, 45, 32, 0.25);
}

/* ---------- Formulário ---------- */

.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 6px;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--color-gray-200);
    border-radius: 8px;
    font-size: 14px;
    background: var(--color-gray-50);
    color: var(--color-gray-800);
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

input.input-valid {
    border-color: var(--color-success);
}

/* ---------- Campo de senha com toggle ---------- */

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    padding-right: 44px;
    width: 100%;
}

.toggle-password {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-500);
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: var(--transition);
}

.toggle-password:hover,
.toggle-password:focus-visible {
    color: var(--color-primary);
    background: var(--color-primary-light);
    outline: none;
}

.toggle-password svg {
    display: block;
}

.field-error {
    display: block;
    min-height: 16px;
    font-size: 12px;
    color: var(--color-error);
    margin-top: 4px;
}

/* ---------- Botão de login ---------- */

.btn-login {
    width: 100%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 13px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    margin-top: 6px;
}

.btn-login:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 6px 16px rgba(21, 84, 240, 0.3);
}

.btn-login:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-login__spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.btn-login.is-loading .btn-login__spinner {
    display: inline-block;
}

.btn-login.is-loading .btn-login__text {
    opacity: 0.85;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Rodapé ---------- */

.login-footer {
    text-align: center;
    font-size: 12px;
    color: var(--color-gray-500);
    margin: 24px 0 0;
}

/* ===========================================================
   RESPONSIVIDADE
   =========================================================== */

/* Tablets */
@media (max-width: 768px) {
    .login-card {
        max-width: 90%;
        padding: 32px 26px;
    }
}

/* Celulares */
@media (max-width: 480px) {
    body {
        padding: 16px;
        align-items: flex-start;
        padding-top: 48px;
    }

    .login-card {
        max-width: 100%;
        padding: 28px 20px;
        border-radius: 10px;
    }

    .login-brand__title {
        font-size: 18px;
    }
}

/* Telas grandes — leve ajuste de respiro */
@media (min-width: 1200px) {
    .login-card {
        max-width: 440px;
        padding: 44px 40px;
    }
}