/* ═══════════════════════════════════════════════════════
   SDN Connect — Login Page
   ═══════════════════════════════════════════════════════ */

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

:root {
    --primary:       #004B87;
    --primary-light: #0066B3;
    --primary-muted: #E8F0F9;
    --danger:        #DC2626;
    --border:        #E2E8F0;
    --text:          #0F172A;
    --text-secondary:#475569;
    --text-muted:    #94A3B8;
    --bg:            #F1F5F9;
    --surface:       #FFFFFF;
    --radius:        10px;
    --radius-lg:     16px;
    --shadow-lg:     0 20px 60px rgba(0,0,0,.18), 0 4px 16px rgba(0,0,0,.08);
    --transition:    150ms ease;
}

html, body { height: 100%; font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; }

/* ── Layout dividido ───────────────────────────────────── */

.login-page { background: var(--bg); }

.login-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

/* ── Lado esquerdo: branding ───────────────────────────── */

.login-branding {
    background: linear-gradient(150deg, var(--primary) 0%, #0066B3 60%, #005fa3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.login-branding::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    top: -120px;
    left: -120px;
}

.login-branding::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    bottom: -80px;
    right: -80px;
}

.brand-content { position: relative; z-index: 1; }

.brand-logo {
    display: inline-block;
    background: rgba(255,255,255,.15);
    color: #fff;
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: .12em;
    padding: 10px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,.2);
}

.brand-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -.03em;
    line-height: 1.1;
    margin-bottom: 14px;
}

.brand-tagline {
    font-size: 1rem;
    color: rgba(255,255,255,.7);
    line-height: 1.6;
    max-width: 320px;
    margin-bottom: 40px;
}

.brand-features { display: flex; flex-direction: column; gap: 14px; }

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,.85);
    font-size: .9rem;
    font-weight: 500;
}

.feature-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: .8;
}

/* ── Lado direito: formulário ──────────────────────────── */

.login-form-side {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: var(--surface);
}

.login-card {
    width: 100%;
    max-width: 400px;
}

.login-header { margin-bottom: 32px; }

.login-logo-small {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
    font-size: .78rem;
    letter-spacing: .1em;
    padding: 5px 9px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.login-title {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.02em;
    margin-bottom: 6px;
}

.login-subtitle {
    font-size: .9rem;
    color: var(--text-secondary);
}

/* ── Alerta de erro ────────────────────────────────────── */

.login-alert {
    padding: 12px 14px;
    border-radius: var(--radius);
    background: #FEE2E2;
    border: 1px solid #FECACA;
    color: var(--danger);
    font-size: .88rem;
    font-weight: 500;
    margin-bottom: 20px;
    animation: fadeIn .2s ease;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ── Campos ────────────────────────────────────────────── */

.login-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 18px;
}

.login-field label {
    font-size: .8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.login-field input {
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: .95rem;
    font-family: inherit;
    color: var(--text);
    background: var(--bg);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    width: 100%;
}

.login-field input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,75,135,.12);
    background: var(--surface);
}

.login-field input.invalid { border-color: var(--danger); }

.pwd-wrap { position: relative; }

.pwd-wrap input { padding-right: 44px; }

.pwd-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    line-height: 0;
    transition: color var(--transition);
}

.pwd-toggle:hover { color: var(--text); }
.pwd-toggle svg { width: 18px; height: 18px; display: block; }

/* ── Botão entrar ──────────────────────────────────────── */

.login-btn {
    width: 100%;
    padding: 13px;
    margin-top: 8px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: .95rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.login-btn:hover:not(:disabled) {
    background: var(--primary-light);
    box-shadow: 0 4px 16px rgba(0,75,135,.35);
}

.login-btn:active:not(:disabled) { transform: scale(.98); }

.login-btn:disabled {
    opacity: .7;
    cursor: not-allowed;
}

/* ── Spinner ───────────────────────────────────────────── */

.spin {
    width: 18px;
    height: 18px;
    animation: rotate .7s linear infinite;
}

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

/* ── Rodapé ────────────────────────────────────────────── */

.login-footer {
    margin-top: 32px;
    text-align: center;
    font-size: .78rem;
    color: var(--text-muted);
}

.login-legal-links {
    margin-top: 10px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.login-legal-links a {
    font-size: .75rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition);
}
.login-legal-links a:hover { color: var(--primary); }
.login-legal-sep { font-size: .75rem; color: var(--border); }

.hidden { display: none !important; }

/* ── Modal (mesmo padrão do app: .modal-overlay > .modal, sem .modal-box) ── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn .15s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slideUp .2s ease;
}

@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1.1rem; font-weight: 700; color: var(--text); }

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 4px;
    border-radius: 6px;
    line-height: 0;
    cursor: pointer;
}
.modal-close svg { width: 18px; height: 18px; }
.modal-close:hover { color: var(--text); background: var(--bg); }

.modal-body { padding: 20px 24px; overflow-y: auto; flex: 1; font-size: .9rem; color: var(--text-secondary); line-height: 1.55; }
.modal-body strong { color: var(--text); }

.modal-footer {
    padding: 14px 24px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-btn {
    padding: 9px 18px;
    border-radius: var(--radius);
    border: none;
    font-size: .88rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background var(--transition);
}
.modal-btn-secondary { background: var(--bg); color: var(--text-secondary); }
.modal-btn-secondary:hover { background: var(--border); }
.modal-btn-primary { background: #16a34a; color: #fff; }
.modal-btn-primary:hover:not(:disabled) { background: #15803d; }
.modal-btn-primary:disabled { opacity: .5; cursor: not-allowed; }

/* ── Responsivo ────────────────────────────────────────── */

@media (max-width: 768px) {
    .login-split { grid-template-columns: 1fr; }
    .login-branding { display: none; }
    .login-form-side { background: var(--bg); padding: 32px 20px; }
    .login-card {
        background: var(--surface);
        border-radius: var(--radius-lg);
        padding: 32px 24px;
        box-shadow: var(--shadow-lg);
    }
}

@media (max-width: 480px) {
    .login-form-side { padding: 20px 16px; }
    .login-card      { padding: 24px 20px; }
    .login-header    { margin-bottom: 20px; }
    .login-logo-small{ margin-bottom: 12px; }
    .login-title     { font-size: 1.4rem; }
    .login-field     { margin-bottom: 14px; }
    .login-footer    { margin-top: 20px; }
}