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

:root {
    --gradiente-principal: linear-gradient(135deg, #0d7a34 0%, #22c55e 50%, #7cfb3c 100%);
    --verde-neon: #7cfb3c;
    --verde-base: #22c55e;
    --verde-escuro: #0d7a34;
    --cor-texto: #1c1f26;
    --cor-texto-suave: #6b7280;
    --cor-erro: #e11d48;
}

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--cor-texto);
    min-height: 100dvh;
    overflow-x: hidden;
    background: #060806;
    background: linear-gradient(125deg, #020403, #0a2412, #061a0d, #020403);
    background-size: 300% 300%;
    animation: deslocarGradiente 18s ease infinite;
    display: flex;
    align-items: flex-start;
    align-items: safe center;
    justify-content: center;
    padding: 20px;
    padding: max(20px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
    position: relative;
}

@keyframes deslocarGradiente {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ---------- Orbs decorativos de fundo ---------- */
.fundo-decorativo {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.orbe {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.55;
    mix-blend-mode: screen;
    animation: flutuar 14s ease-in-out infinite;
}

.orbe-1 {
    width: 280px;
    height: 280px;
    top: -60px;
    left: -60px;
    background: var(--verde-neon);
    animation-delay: 0s;
}

.orbe-2 {
    width: 320px;
    height: 320px;
    bottom: -80px;
    right: -60px;
    background: var(--verde-escuro);
    animation-delay: -5s;
}

.orbe-3 {
    width: 220px;
    height: 220px;
    bottom: 30%;
    left: 50%;
    background: #ffffff;
    opacity: 0.25;
    animation-delay: -9s;
}

@keyframes flutuar {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(30px, -30px) scale(1.08); }
    66%      { transform: translate(-20px, 20px) scale(0.95); }
}

/* ---------- Cartão principal ---------- */
.cartao-login {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    border-radius: 26px;
    padding: clamp(28px, 6vw, 40px) clamp(24px, 6vw, 36px);
    box-shadow: 0 20px 60px rgba(15, 12, 41, 0.45);
    animation: surgirCartao 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes surgirCartao {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- Logomarca ---------- */
.area-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 18px;
}

/*
  Espaço reservado para a logomarca do cliente.
  Quando tiver o arquivo, troque o conteúdo de #logo-placeholder por:
  <img src="assets/img/logo.png" alt="Logo" class="logo-imagem">
*/
.logo-placeholder {
    max-width: 240px;
    padding: 12px 20px;
    border-radius: 18px;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
    animation: pulsarLogo 2.6s ease-in-out infinite;
}

.logo-placeholder svg {
    width: 38px;
    height: 38px;
    stroke: #fff;
}

.logo-imagem {
    width: 100%;
    height: auto;
    max-height: 64px;
    object-fit: contain;
}

@keyframes pulsarLogo {
    0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45); }
    70%  { box-shadow: 0 0 0 14px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* ---------- Títulos ---------- */
.titulo-login {
    text-align: center;
    font-size: clamp(20px, 5vw, 23px);
    font-weight: 700;
    margin-bottom: 4px;
}

.subtitulo-login {
    text-align: center;
    font-size: 14px;
    color: var(--cor-texto-suave);
    margin-bottom: 26px;
}

/* ---------- Mensagem de erro ---------- */
.mensagem-erro {
    background: #fdecee;
    color: var(--cor-erro);
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

.mensagem-erro.mostrar {
    display: block;
    animation: tremer 0.4s ease;
}

@keyframes tremer {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-6px); }
    40%      { transform: translateX(6px); }
    60%      { transform: translateX(-4px); }
    80%      { transform: translateX(4px); }
}

/* ---------- Campos com label flutuante ---------- */
.campo-flutuante {
    position: relative;
    margin-bottom: 18px;
}

.campo-flutuante input {
    width: 100%;
    padding: 18px 14px 8px;
    font-size: 16px;
    border: 1.5px solid #e2e5ea;
    border-radius: 12px;
    background: #fafafe;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    min-height: 56px;
}

.campo-flutuante.campo-senha input {
    padding-right: 44px;
}

.campo-flutuante input:focus {
    outline: none;
    border-color: var(--verde-base);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.14);
}

.campo-flutuante label {
    position: absolute;
    left: 15px;
    top: 17px;
    font-size: 16px;
    color: var(--cor-texto-suave);
    pointer-events: none;
    transition: all 0.18s ease;
    background: transparent;
}

.campo-flutuante input:focus + label,
.campo-flutuante input:not(:placeholder-shown) + label {
    top: 7px;
    font-size: 11.5px;
    color: var(--verde-escuro);
    font-weight: 600;
}

.alternar-senha {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    color: #9aa0ab;
}

.alternar-senha svg {
    width: 20px;
    height: 20px;
}

/* ---------- Botão ---------- */
.botao-entrar {
    position: relative;
    overflow: hidden;
    width: 100%;
    min-height: 52px;
    border: none;
    border-radius: 14px;
    background: var(--gradiente-principal);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 6px;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 24px rgba(34, 197, 94, 0.4);
}

.botao-entrar::after {
    content: "";
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.45), transparent);
    transform: skewX(-20deg);
    transition: left 0.6s ease;
}

.botao-entrar:hover::after {
    left: 125%;
}

.botao-entrar:active {
    transform: scale(0.97);
}

.botao-entrar:disabled {
    cursor: not-allowed;
    opacity: 0.85;
}

.botao-entrar .spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: girar 0.7s linear infinite;
}

.botao-entrar.carregando .texto-botao {
    display: none;
}

.botao-entrar.carregando .spinner {
    display: inline-block;
}

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

/* ---------- Links auxiliares ---------- */
.links-login {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.links-login a {
    font-size: 13px;
    font-weight: 600;
    color: var(--verde-escuro);
    text-decoration: none;
}

.links-login a:hover {
    text-decoration: underline;
}

/* ---------- Rodapé ---------- */
.rodape-login {
    text-align: center;
    font-size: 12px;
    color: var(--cor-texto-suave);
    margin-top: 22px;
}

@media (prefers-reduced-motion: reduce) {
    body, .orbe, .cartao-login, .logo-placeholder, .mensagem-erro, .botao-entrar::after {
        animation: none !important;
        transition: none !important;
    }
}

@media (min-width: 480px) {
    .cartao-login {
        padding: 44px 40px;
    }
}