/* ==========================================================
   Login – Portal Planejamento Técnico  (layout v2)
   ========================================================== */

/* ---------- variáveis globais ---------- */
:root {
    --brand:      #d32f2f;
    --brand-dark: #b71c1c;
    --brand-glow: rgba(211, 47, 47, .35);
    --accent:     #ff6b6b;
    --bg-1:       #0b0f1a;
    --bg-2:       #0d1525;
    --bg-3:       #111b2e;
    --card-bg:    rgba(255, 255, 255, .04);
    --card-border:rgba(255, 255, 255, .08);
    --muted:      #8a94a6;
    --text:       #e2e8f0;
    --radius:     16px;
    --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ---------- reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: var(--text);
    overflow: hidden;
    position: relative;
}

/* ---------- fundo animado ---------- */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(211,47,47,.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 90%, rgba(99,102,241,.10) 0%, transparent 60%),
        radial-gradient(ellipse 70% 70% at 50% 50%, rgba(15,23,42,.0) 0%, var(--bg-1) 100%);
    animation: bgShift 12s ease-in-out infinite alternate;
    z-index: 0;
    pointer-events: none;
}
@keyframes bgShift {
    0%   { opacity: .7; transform: scale(1); }
    100% { opacity: 1;  transform: scale(1.05); }
}

/* partículas decorativas */
body::after {
    content: '';
    position: fixed;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--brand-glow) 0%, transparent 70%);
    top: -120px; right: -100px;
    filter: blur(80px);
    animation: float 8s ease-in-out infinite alternate;
    z-index: 0;
    pointer-events: none;
}
@keyframes float {
    0%   { transform: translateY(0) scale(1); }
    100% { transform: translateY(30px) scale(1.1); }
}

/* ---------- card de login ---------- */
.card-login {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 430px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 36px 32px 28px;
    border-radius: var(--radius);
    box-shadow:
        0 0 0 1px rgba(255,255,255,.03),
        0 20px 50px -12px rgba(0,0,0,.55);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    animation: cardIn .6s var(--transition) both;
}
@keyframes cardIn {
    from { opacity: 0; transform: translateY(24px) scale(.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- barra de ícones técnicos decorativos ---------- */
.tech-icons-bar {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-bottom: 24px;
    padding: 12px 0 14px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.tech-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 15px;
    transition: var(--transition);
    cursor: default;
}
.tech-icon:hover {
    background: rgba(211, 47, 47, .15);
    border-color: var(--brand);
    color: var(--accent);
    transform: translateY(-3px);
}

/* ---------- logo com ícone ---------- */
.brand .logo i {
    font-size: 22px;
    color: #fff;
}

/* ---------- marca / logo ---------- */
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
}
.brand .logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 1px;
    color: #fff;
    box-shadow: 0 6px 20px var(--brand-glow);
    transition: var(--transition);
    flex-shrink: 0;
}
.brand .logo:hover {
    transform: rotate(-4deg) scale(1.08);
}
.brand .title { line-height: 1.35; }
.brand .title h4 {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .2px;
    color: #fff;
}
.brand .title p {
    margin: 2px 0 0;
    font-size: 12px;
    color: var(--muted);
}

/* ---------- form labels ---------- */
.form-label {
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .3px;
    margin-bottom: 6px;
}

/* ---------- inputs ---------- */
.card-login .form-control {
    background: rgba(255, 255, 255, .04);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 14px;
    transition: var(--transition);
}
.card-login .form-control::placeholder {
    color: rgba(255,255,255,.25);
}
.card-login .form-control:focus {
    background: rgba(255, 255, 255, .07);
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--brand-glow), 0 2px 8px rgba(0,0,0,.2);
    color: #fff;
    outline: none;
}

/* ---------- input-group icons ---------- */
.card-login .input-group-text {
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(255, 255, 255, .08);
    border-right: none;
    color: var(--muted);
    border-radius: 10px 0 0 10px;
    transition: var(--transition);
}
.card-login .input-group:focus-within .input-group-text {
    border-color: var(--brand);
    color: var(--accent);
}
.card-login .input-group .form-control {
    border-radius: 0 10px 10px 0;
}
.card-login .input-group .btn-outline-secondary {
    border: 1px solid rgba(255,255,255,.08);
    border-left: none;
    color: var(--muted);
    border-radius: 0 10px 10px 0;
    transition: var(--transition);
}
.card-login .input-group .btn-outline-secondary:hover {
    color: #fff;
    background: transparent;
}
.card-login .input-group:focus-within .btn-outline-secondary {
    border-color: var(--brand);
}

/* ---------- botão principal ---------- */
.card-login .btn-primary {
    background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
    border: none;
    padding: 11px 0;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: .5px;
    border-radius: 10px;
    box-shadow: 0 8px 24px var(--brand-glow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card-login .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,.12) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform .5s ease;
}
.card-login .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px var(--brand-glow);
    background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
}
.card-login .btn-primary:hover::after {
    transform: translateX(100%);
}
.card-login .btn-primary:active {
    transform: translateY(0);
}

/* ---------- checkbox "lembrar-me" ---------- */
.card-login .form-check-input {
    background-color: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.15);
    transition: var(--transition);
}
.card-login .form-check-input:checked {
    background-color: var(--brand);
    border-color: var(--brand);
    box-shadow: 0 0 6px var(--brand-glow);
}
.card-login .form-check-label {
    user-select: none;
}

/* ---------- links ---------- */
.small-muted { color: var(--muted); font-size: 13px; }
.forgot-link {
    font-size: 13px;
    color: var(--muted);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}
.forgot-link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 1px;
    background: var(--accent);
    transition: width .3s ease;
}
.forgot-link:hover {
    color: #fff;
}
.forgot-link:hover::after {
    width: 100%;
}

/* ---------- alerta de sessão ---------- */
.card-login .alert {
    border-radius: 10px;
    font-size: 13px;
    border: none;
    background: rgba(211,47,47,.12);
    color: #fca5a5;
    backdrop-filter: blur(6px);
}

/* ---------- separator / divider ---------- */
.login-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 18px 0;
    color: var(--muted);
    font-size: 12px;
}
.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,.06);
}

/* ---------- rodapé dev ---------- */
.card-login .text-center.mt-3 {
    border-top: 1px solid rgba(255,255,255,.05);
    padding-top: 14px;
    margin-top: 20px !important;
}
.card-login .text-center.mt-3 a:hover {
    color: var(--accent) !important;
}

/* ---------- modais (estilo global) ---------- */
.modal-content {
    background: rgba(22, 28, 45, .96) !important;
    backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255,255,255,.08) !important;
    border-radius: var(--radius) !important;
    box-shadow: 0 25px 60px rgba(0,0,0,.5) !important;
    color: var(--text) !important;
}
.modal-header {
    background: linear-gradient(135deg, var(--brand, #d32f2f), var(--brand-dark, #b71c1c)) !important;
    color: #fff !important;
    border-bottom: 1px solid rgba(255,255,255,.06) !important;
    border-radius: var(--radius) var(--radius) 0 0 !important;
    padding: 22px 28px !important;
}
.modal-body {
    padding: 28px !important;
}
.modal-body p,
.modal-body .form-label {
    color: var(--muted) !important;
}
.modal-body .form-control {
    background: rgba(255,255,255,.05) !important;
    color: #fff !important;
    border: 1px solid rgba(255,255,255,.1) !important;
    border-radius: 10px !important;
    padding: 12px 16px !important;
    font-size: 14px !important;
    transition: var(--transition) !important;
}
.modal-body .form-control:focus {
    border-color: var(--brand) !important;
    box-shadow: 0 0 0 3px var(--brand-glow) !important;
    background: rgba(255,255,255,.08) !important;
}
.modal-body .btn-secondary {
    background: transparent !important;
    border: 1px solid rgba(255,255,255,.12) !important;
    color: var(--muted) !important;
    border-radius: 10px !important;
    padding: 10px 20px !important;
    font-weight: 600 !important;
    transition: var(--transition) !important;
}
.modal-body .btn-secondary:hover {
    background: rgba(255,255,255,.06) !important;
    color: #fff !important;
    border-color: rgba(255,255,255,.2) !important;
}
.modal-body .alert-info {
    background: rgba(59,130,246,.12) !important;
    color: #93c5fd !important;
    border: none !important;
    border-radius: 10px !important;
    border-left: 3px solid #3b82f6 !important;
}
.modal-body .alert-warning {
    background: rgba(245,158,11,.12) !important;
    color: #fcd34d !important;
    border: none !important;
    border-radius: 10px !important;
    border-left: 3px solid #f59e0b !important;
}

/* ---------- responsivo ---------- */
@media (max-width: 480px) {
    body { padding: 16px; }
    .card-login {
        padding: 24px 20px 20px;
        border-radius: 14px;
    }
    .brand .logo { width: 46px; height: 46px; font-size: 13px; }
    .brand .title h4 { font-size: 15px; }
}