/* ==========================================================
   SISTEMA DE FROTA MUNICIPAL — Login Stylesheet
   Prefeitura de Itapecerica da Serra
   ========================================================== */

/* ----------------------------------------------------------
   1. VARIÁVEIS GLOBAIS
   ---------------------------------------------------------- */
:root {
    --ita-blue:      #0095D9;
    --ita-blue-dark: #0072A6;
}

/* ----------------------------------------------------------
   2. LAYOUT BASE
   ---------------------------------------------------------- */
* {
    box-sizing: border-box;
    margin:     0;
    padding:    0;
}

body {
    background-color: #f1f5f9;
    min-height:       100vh;
    display:          flex;
    align-items:      center;
    justify-content:  center;
    font-family:      'Inter', 'Segoe UI', system-ui, sans-serif;
    transition:       background-color 0.3s ease;
}

/* Dark Mode Layout */
.dark body {
    background-color: #0f172a;
}

/* ----------------------------------------------------------
3. LOGIN HEADER ACTIONS (Tema)
---------------------------------------------------------- */
.login-header-actions {
    position: fixed;
    top:      1.5rem;
    right:    1.5rem;
    z-index:  10;
}

.dark-toggle {
    display:     inline-flex;
    align-items: center;
    cursor:      pointer;
    gap:         0.5rem;
}

.dark-toggle input {
    opacity:  0;
    width:    0;
    height:   0;
    position: absolute;
}

.dark-slider {
    width:         44px;
    height:        24px;
    border-radius: 9999px;
    background:    #cbd5e1;
    position:      relative;
    transition:    background 0.3s;
}

.dark .dark-slider {
    background: var(--ita-blue);
}

.dark-slider::after {
    content:       '';
    position:      absolute;
    width:         18px;
    height:        18px;
    border-radius: 50%;
    background:    #fff;
    top:           3px;
    left:          3px;
    transition:    transform 0.3s;
    box-shadow:    0 1px 3px rgba(0, 0, 0, 0.2);
}

.dark-toggle input:checked + .dark-slider::after {
    transform: translateX(20px);
}

#darkModeIcon {
    font-size: 1.1rem;
}

/* ----------------------------------------------------------
   4. CARD DE LOGIN
   ---------------------------------------------------------- */
.login-card {
    background:    #ffffff;
    padding:       2.5rem;
    border-radius: 1.25rem;
    box-shadow:    0 10px 40px rgba(0, 0, 0, 0.08);
    width:         100%;
    max-width:     420px;
    transition:    background-color 0.3s ease;
}

.dark .login-card {
    background-color: #1e293b;
    box-shadow:       0 10px 40px rgba(0, 0, 0, 0.3);
}

.login-title {
    font-size:     1.5rem;
    font-weight:   800;
    text-align:    center;
    color:         var(--ita-blue);
    margin-bottom: 1.75rem;
    letter-spacing: -0.5px;
}

/* ----------------------------------------------------------
   4. FORMULÁRIO
   ---------------------------------------------------------- */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display:       block;
    font-size:     0.8rem;
    font-weight:   600;
    color:         #475569;
    margin-bottom: 0.375rem;
}

.dark .form-group label {
    color: #94a3b8;
}

.form-group input {
    width:         100%;
    padding:       0.75rem 1rem;
    border:        1px solid #e2e8f0;
    border-radius: 0.75rem;
    font-size:     0.9rem;
    background:    #f8fafc;
    color:         #1e293b;
    transition:    border-color 0.2s, box-shadow 0.2s, background-color 0.3s, color 0.3s;
    outline:       none;
}

.dark .form-group input {
    background-color: #0f172a;
    border-color:     #334155;
    color:            #f1f5f9;
}

.form-group input:focus {
    border-color: var(--ita-blue);
    box-shadow:   0 0 0 3px rgba(0, 149, 217, 0.15);
    background:   #ffffff;
}

.dark .form-group input:focus {
    background: #0f172a;
    border-color: var(--ita-blue);
}

/* ----------------------------------------------------------
   5. BOTÃO DE SUBMIT
   ---------------------------------------------------------- */
.btn-login {
    width:            100%;
    padding:          0.875rem;
    background-color: var(--ita-blue);
    color:            #ffffff;
    border:           none;
    border-radius:    0.75rem;
    font-size:        0.9rem;
    font-weight:      700;
    cursor:           pointer;
    transition:       background-color 0.2s, transform 0.1s;
    margin-top:       0.5rem;
    letter-spacing:   0.5px;
}

.btn-login:hover  { background-color: var(--ita-blue-dark); }
.btn-login:active { transform: scale(0.98); }

/* ----------------------------------------------------------
   6. MENSAGEM DE ERRO
   ---------------------------------------------------------- */
.erro-login {
    display:    none;
    color:      #dc2626;
    font-size:  0.8rem;
    text-align: center;
    margin-top: 0.75rem;
    font-weight: 600;
}

.erro-login.visivel { display: block; }

/* ----------------------------------------------------------
   7. RODAPÉ DO CARD (versão)
   ---------------------------------------------------------- */
.login-footer {
    margin-top:    1.75rem;
    padding-top:   1rem;
    border-top:    1px solid #e2e8f0;
    text-align:    center;
}

.dark .login-footer {
    border-top-color: #334155;
}

.login-footer p {
    font-size:      0.65rem;
    font-weight:    700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color:          #94a3b8;
}

.dark .login-footer p {
    color: #64748b;
}

.login-footer .versao {
    color: var(--ita-blue);
}