/* ============================================================
   COMPONENTES
   ============================================================ */

/* ============================================================
   BOTÕES
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.3rem;
    font-family: var(--db-font-body);
    font-size: 0.93rem;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    border: 1px solid transparent;
    border-radius: var(--db-r);
    background: transparent;
    color: var(--db-text);
    cursor: pointer;
    transition: transform 0.2s var(--db-ease), box-shadow 0.2s var(--db-ease),
                background-color 0.2s var(--db-ease), border-color 0.2s var(--db-ease),
                color 0.2s var(--db-ease), opacity 0.2s var(--db-ease);
}

.btn:active { transform: translateY(0) scale(0.98); }

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none !important;
}

.btn--sm { padding: 0.5rem 0.9rem; font-size: 0.85rem; }

.btn--primary {
    position: relative;
    background: var(--db-gradient);
    color: var(--db-on-accent);
    box-shadow: 0 6px 20px rgba(124, 140, 255, 0.22);
}

.btn--primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--db-glow);
}

.btn--ghost {
    background: var(--db-surface-2);
    color: var(--db-text);
    border-color: var(--db-border-strong);
    box-shadow: var(--db-shadow-sm);
}

.btn--ghost:hover:not(:disabled) {
    background: var(--db-accent-soft);
    border-color: var(--db-accent-line);
    transform: translateY(-2px);
}

.btn--icon {
    width: 2.2rem;
    height: 2.2rem;
    padding: 0;
    flex-shrink: 0;
    background: var(--db-chip-bg);
    border-color: var(--db-border);
    color: var(--db-text-muted);
    border-radius: var(--db-r-sm);
}

.btn--icon:hover:not(:disabled) {
    color: var(--db-accent);
    background: var(--db-accent-soft);
    border-color: var(--db-accent-line);
    transform: translateY(-1px);
}

/* Variante compacta usada nas linhas do histórico. */
.btn--icon-sm { width: 2rem; height: 2rem; }

/* Confirmação de cópia */
.btn.is-done {
    color: var(--db-ok) !important;
    border-color: color-mix(in srgb, var(--db-ok) 45%, transparent) !important;
    background: color-mix(in srgb, var(--db-ok) 12%, transparent) !important;
}

/* Carregamento */
.btn.is-loading { color: transparent !important; pointer-events: none; }

.btn.is-loading::after {
    content: '';
    position: absolute;
    width: 1.05rem;
    height: 1.05rem;
    border: 2px solid var(--db-on-accent);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ============================================================
   CAMPO COMPOSTO
   ============================================================ */
.combo {
    display: flex;
    align-items: center;
    gap: var(--db-s2);
    padding: 0.4rem 0.4rem 0.4rem 0.9rem;
    background: var(--db-input-solid);
    border: 1px solid var(--db-border-strong);
    border-radius: var(--db-r-full);
    box-shadow: var(--db-shadow-sm);
    transition: border-color 0.2s var(--db-ease), box-shadow 0.2s var(--db-ease);
}

.combo:hover { border-color: var(--db-accent-line); }

.combo:focus-within {
    border-color: var(--db-accent);
    box-shadow: 0 0 0 4px var(--db-accent-soft);
}

.combo.is-invalid {
    border-color: color-mix(in srgb, var(--db-danger) 55%, transparent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--db-danger) 10%, transparent);
}

.combo__icon {
    width: 1.05rem;
    height: 1.05rem;
    flex-shrink: 0;
    color: var(--db-text-dim);
    transition: color 0.2s var(--db-ease);
}

.combo:focus-within .combo__icon { color: var(--db-accent); }
.combo.is-invalid .combo__icon { color: var(--db-danger); }

.combo__input {
    flex: 1;
    min-width: 0;
    height: 2.6rem;
    padding: 0;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--db-text);
    font-family: var(--db-font-body);
    font-size: 0.98rem;
}

.combo__input::placeholder { color: var(--db-text-dim); }
.combo__input:disabled { cursor: wait; }

.combo__input:-webkit-autofill,
.combo__input:-webkit-autofill:hover,
.combo__input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--db-text) !important;
    caret-color: var(--db-text);
    -webkit-box-shadow: 0 0 0 100px var(--db-input-solid) inset !important;
}

.combo .btn { border-radius: var(--db-r-full); }

/* Mensagem de validação */
.hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 1.3rem;
    margin-top: 0.6rem;
    font-size: 0.82rem;
    color: var(--db-text-dim);
}

.hint svg { width: 0.9rem; height: 0.9rem; flex-shrink: 0; }
.hint.is-erro { color: var(--db-danger); }

/* ============================================================
   CARD
   ============================================================ */
.card {
    background: var(--db-surface);
    border: 1px solid var(--db-border);
    border-radius: var(--db-r-lg);
    box-shadow: var(--db-shadow-sm);
    transition: background-color 0.35s var(--db-ease), border-color 0.35s var(--db-ease);
}

/* ============================================================
   FAVICON
   ============================================================ */
.favicon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border-radius: 0.35rem;
    background: var(--db-chip-bg);
    border: 1px solid var(--db-border);
    overflow: hidden;
}

.favicon img { width: 1rem; height: 1rem; display: block; }

/* Reserva final: a inicial do domínio.
   Diz mais que um globo repetido — distingue os sites entre si. */
.favicon__inicial {
    font-family: var(--db-font-display);
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
    color: var(--db-accent);
}

/* ============================================================
   QR CODE
   ------------------------------------------------------------
   O QR não segue o tema: fica sempre em papel branco, porque
   módulo escuro sobre claro é o que os leitores esperam.
   ============================================================ */
.qr {
    display: block;
    background: #FFFFFF;
    border-radius: var(--db-r);
    padding: 0.6rem;
    border: 1px solid var(--db-border);
}

.qr svg { display: block; width: 100%; height: auto; }

.qr--lg { width: 190px; padding: 0.85rem; border-radius: var(--db-r-lg); }
.qr--sm { width: 44px; padding: 0.22rem; border-radius: 0.4rem; }
.qr--xl { width: min(280px, 70vw); padding: 1rem; border-radius: var(--db-r-lg); }

/* Miniatura clicável do histórico */
.qr-botao {
    position: relative;
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    border-radius: 0.4rem;
    transition: transform 0.2s var(--db-ease);
}

.qr-botao:hover { transform: scale(1.06); }

.qr-botao__lupa {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    border-radius: inherit;
    color: #fff;
    background: rgba(10, 15, 30, 0.72);
    opacity: 0;
    transition: opacity 0.2s var(--db-ease);
}

.qr-botao:hover .qr-botao__lupa,
.qr-botao:focus-visible .qr-botao__lupa { opacity: 1; }

/* O QR do resultado também é botão, para Enter e Espaço
   funcionarem sem tratamento de teclado nosso. */
.qr-botao--lg { border-radius: var(--db-r-lg); }
.qr-botao--lg .qr { transition: border-color 0.2s var(--db-ease); }
.qr-botao--lg:hover { transform: none; }
.qr-botao--lg:hover .qr { border-color: var(--db-accent-line); }

/* Quando o endereço passa da capacidade do formato, a moldura
   explica em vez de ficar em branco. */
.qr--falhou {
    display: grid;
    place-items: center;
    gap: 0.4rem;
    aspect-ratio: 1;
    background: var(--db-surface-2);
    color: var(--db-text-dim);
    text-align: center;
    font-size: 0.7rem;
    line-height: 1.3;
    padding: 0.8rem;
}

.qr--falhou svg { color: var(--db-warn); }

/* Entrada do QR na geração: só um leve crescer com fade.
   A animação vai no <svg> inteiro, não módulo a módulo — um QR
   médio passa de mil módulos, e animar cada um custaria caro. */
@media (prefers-reduced-motion: no-preference) {
    .qr--reveal svg { animation: qr-in 0.45s var(--db-spring) both; }
}

@keyframes qr-in {
    from { opacity: 0; transform: scale(0.86); }
    to   { opacity: 1; transform: none; }
}

/* ============================================================
   MODAL DO QR
   ============================================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: rgba(6, 10, 20, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fade-in 0.18s var(--db-ease) both;
}

.modal.is-out { animation: fade-out 0.18s var(--db-ease) both; }

.modal__caixa {
    position: relative;
    display: grid;
    justify-items: center;
    gap: var(--db-s3);
    padding: clamp(1.5rem, 5vw, 2rem);
    background: var(--db-surface);
    border: 1px solid var(--db-border-strong);
    border-radius: var(--db-r-lg);
    box-shadow: var(--db-shadow);
    animation: modal-in 0.24s var(--db-ease) both;
}

/* Fica na sobreposição, não no card: dentro dele o X cobria o QR.
   Em telas estreitas desce um pouco para não brigar com a barra
   de status do sistema. */
.modal__fechar {
    position: absolute;
    top: clamp(1rem, 4vw, 1.75rem);
    right: clamp(1rem, 4vw, 1.75rem);
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    color: #fff;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--db-r-full);
    cursor: pointer;
    transition: background-color 0.2s var(--db-ease), border-color 0.2s var(--db-ease),
                transform 0.2s var(--db-ease);
}

.modal__fechar:hover,
.modal__fechar:focus-visible {
    background: rgba(255, 255, 255, 0.20);
    border-color: rgba(255, 255, 255, 0.4);
    transform: rotate(90deg);
}

.modal__fechar:active { transform: rotate(90deg) scale(0.94); }

.modal__dominio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    font-family: var(--db-font-mono);
    font-size: 0.85rem;
    color: var(--db-text);
}

.modal__nota {
    margin: 0;
    max-width: 28ch;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--db-text-dim);
    text-align: center;
}

@keyframes fade-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade-out { to { opacity: 0; } }

@keyframes modal-in {
    from { opacity: 0; transform: translateY(10px) scale(0.97); }
    to   { opacity: 1; transform: none; }
}

/* ============================================================
   BOTÃO DE TEMA — simples, sem animação de mola
   ============================================================ */
.tema {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.42rem 0.85rem;
    font-family: var(--db-font-body);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--db-text-muted);
    background: transparent;
    border: 1px solid var(--db-border);
    border-radius: var(--db-r-full);
    cursor: pointer;
    transition: color 0.2s var(--db-ease), border-color 0.2s var(--db-ease),
                background-color 0.2s var(--db-ease);
}

.tema:hover,
.tema:focus-visible {
    color: var(--db-text);
    border-color: var(--db-border-strong);
    background: var(--db-hover-tint);
}

.tema svg { width: 1rem; height: 1rem; flex-shrink: 0; }

/* ============================================================
   TOAST
   ============================================================ */
.toasts {
    position: fixed;
    left: 50%;
    bottom: 1.5rem;
    transform: translateX(-50%);
    z-index: 80;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: var(--db-s2);
    width: min(24rem, calc(100vw - 2rem));
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.7rem 1rem;
    font-size: 0.88rem;
    color: var(--db-text);
    background: var(--db-surface-2);
    border: 1px solid var(--db-border-strong);
    border-radius: var(--db-r);
    box-shadow: var(--db-shadow);
    pointer-events: auto;
    animation: toast-in 0.3s var(--db-ease) both;
}

.toast.is-out { animation: toast-out 0.25s var(--db-ease) both; }

.toast svg { width: 1.05rem; height: 1.05rem; flex-shrink: 0; }
.toast--ok svg { color: var(--db-ok); }
.toast--erro svg { color: var(--db-danger); }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: none; }
}

@keyframes toast-out { to { opacity: 0; transform: translateY(8px); } }

/* ============================================================
   TOOLTIP
   ============================================================ */
[data-tip] { position: relative; }

[data-tip]::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    padding: 0.3rem 0.6rem;
    font-family: var(--db-font-body);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    color: var(--db-text);
    background: var(--db-surface-2);
    border: 1px solid var(--db-border-strong);
    border-radius: var(--db-r-sm);
    box-shadow: var(--db-shadow-sm);
    opacity: 0;
    pointer-events: none;
    z-index: 30;
    transition: opacity 0.18s var(--db-ease), transform 0.18s var(--db-ease);
}

[data-tip]:hover::after,
[data-tip]:focus-visible::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ============================================================
   CARREGAMENTO DO WEBASSEMBLY
   ============================================================ */
.carregando {
    position: fixed;
    left: 50%;
    bottom: 4.5rem;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.9rem;
    font-family: var(--db-font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--db-text-dim);
    background: var(--db-surface);
    border: 1px solid var(--db-border);
    border-radius: var(--db-r-full);
}

.carregando__barra {
    width: 2.2rem;
    height: 3px;
    border-radius: 2px;
    background: var(--db-border-strong);
    overflow: hidden;
    position: relative;
}

.carregando__barra::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--db-gradient);
    animation: barra 1.1s var(--db-ease) infinite;
}

.carregando.is-erro { color: var(--db-danger); }

@keyframes barra {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ============================================================
   ESTADO VAZIO E CAPA DE REDIRECIONAMENTO
   ============================================================ */
.empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--db-s2);
    padding: clamp(1.75rem, 5vw, 2.75rem) var(--db-s4);
    text-align: center;
    border: 1px dashed var(--db-border-strong);
    border-radius: var(--db-r-lg);
    background: var(--db-chip-bg);
}

.empty svg { width: 1.6rem; height: 1.6rem; color: var(--db-text-dim); }

.empty strong {
    font-family: var(--db-font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--db-text);
}

.empty span { font-size: 0.88rem; color: var(--db-text-dim); max-width: 36ch; }

.capa {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: var(--db-bg);
}

.capa__conteudo {
    display: grid;
    justify-items: center;
    gap: 0.6rem;
    text-align: center;
    animation: rise 0.4s var(--db-ease) both;
}

.capa__dominio {
    font-family: var(--db-font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
}

.capa__nota { font-size: 0.9rem; color: var(--db-text-muted); margin: 0 0 0.4rem; }