/* ============================================================
   COMPONENTES — botões, campos, chips, avatar, skeleton, toast,
   modal base, loaders, empty state
   ============================================================ */

/* — Botões — */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    padding: .7rem 1.25rem; font-size: var(--fs-sm); font-weight: 600; line-height: 1.2;
    border-radius: var(--r-md); border: 1px solid transparent; white-space: nowrap;
    position: relative; overflow: hidden; transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
    user-select: none; -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.97); }
.btn--sm { padding: .5rem .9rem; font-size: var(--fs-xs); border-radius: var(--r-sm); }
.btn--lg { padding: .9rem 1.5rem; font-size: var(--fs-base); border-radius: var(--r-lg); }
.btn--block { width: 100%; }
.btn--primary { background: var(--gradient-primary); color: #fff; box-shadow: 0 6px 20px rgba(var(--primary-rgb), .3); }
.btn--primary::after { content: ''; position: absolute; inset: 0; background: linear-gradient(rgba(255, 255, 255, .14), transparent); opacity: 0; transition: opacity var(--dur-fast); }
.btn--primary:hover { box-shadow: 0 10px 28px rgba(var(--primary-rgb), .42); transform: translateY(-1px); color: #fff; }
.btn--primary:hover::after { opacity: 1; }
.btn--ghost { background: var(--primary-soft); color: var(--primary-text); border-color: rgba(var(--primary-rgb), .22); }
.btn--ghost:hover { background: var(--primary-soft-2); border-color: rgba(var(--primary-rgb), .4); color: var(--primary-text); }
.btn--soft { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn--soft:hover { background: var(--surface-3); border-color: var(--border-strong); }
.btn--success { background: var(--gradient-success); color: #fff; box-shadow: 0 6px 20px rgba(var(--success-rgb), .28); }
.btn--danger { background: rgba(var(--danger-rgb), .12); color: var(--danger); border-color: rgba(var(--danger-rgb), .3); }
.btn:disabled, .btn.is-loading { opacity: .65; cursor: not-allowed; transform: none !important; }
.btn.is-loading .btn__text { visibility: hidden; }
.btn.is-loading::before { content: ''; position: absolute; width: 20px; height: 20px; border: 2px solid rgba(255, 255, 255, .35); border-top-color: #fff; border-radius: 50%; animation: spin .6s linear infinite; }
.btn--ghost.is-loading::before, .btn--soft.is-loading::before { border-color: rgba(var(--primary-rgb), .3); border-top-color: var(--primary-500); }
.btn__text { display: inline-flex; align-items: center; gap: .5rem; }

.icon-btn {
    width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--r-md); color: var(--text-muted); border: 1px solid transparent;
    transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn.is-active { background: var(--primary-soft); color: var(--primary-text); border-color: rgba(var(--primary-rgb), .25); }

/* — Campos — */
.field { margin-bottom: var(--sp-4); }
.field__label { display: block; font-size: var(--fs-sm); font-weight: 600; color: var(--text-muted); margin-bottom: .45rem; letter-spacing: .01em; }
.field__hint { font-size: var(--fs-xs); color: var(--text-soft); margin-top: .45rem; display: flex; gap: .35rem; align-items: center; }
.field__error { display: none; font-size: var(--fs-xs); color: var(--danger); margin-top: .45rem; font-weight: 500; }
.field__error.is-visible { display: flex; gap: .35rem; align-items: center; animation: fadeDown .25s var(--ease-out); }
.field-group__label { display: flex; align-items: center; gap: .5rem; font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--primary-text); margin: var(--sp-5) 0 var(--sp-3); }
.field-group__label:first-child { margin-top: 0; }
.field-group__label::after { content: ''; flex: 1; height: 1px; background: rgba(var(--primary-rgb), .2); }

.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap__icon { position: absolute; left: 1rem; color: var(--text-soft); pointer-events: none; transition: color var(--dur-fast); font-size: var(--fs-sm); }
.input-wrap__eye { position: absolute; right: .6rem; width: 34px; height: 34px; display: grid; place-items: center; border-radius: var(--r-sm); color: var(--text-soft); transition: color var(--dur-fast), background var(--dur-fast); }
.input-wrap__eye:hover { color: var(--primary-text); background: var(--primary-soft); }
.input {
    width: 100%; padding: .8rem 1rem; font-size: var(--fs-base); color: var(--text);
    background: var(--surface); border: 1.5px solid var(--border-strong); border-radius: var(--r-md);
    transition: border-color var(--dur-fast), box-shadow var(--dur-fast), background var(--dur-fast);
}
.input--icon { padding-left: 2.75rem; }
.input-wrap .input { padding-right: 2.75rem; }
.input::placeholder { color: var(--text-soft); }
.input:hover { border-color: var(--text-soft); }
.input:focus { border-color: var(--primary-500); box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .14); }
.input:focus ~ .input-wrap__icon, .input-wrap:focus-within .input-wrap__icon { color: var(--primary-text); }
.input.is-invalid { border-color: var(--danger); box-shadow: 0 0 0 4px rgba(var(--danger-rgb), .12); animation: shake .4s var(--ease); }

.check { display: inline-flex; align-items: center; gap: .55rem; cursor: pointer; font-size: var(--fs-sm); color: var(--text-muted); user-select: none; }
.check input { position: absolute; opacity: 0; width: 0; height: 0; }
.check__box { width: 18px; height: 18px; border: 1.5px solid var(--border-strong); border-radius: 5px; background: var(--surface); display: grid; place-items: center; transition: all var(--dur-fast); flex-shrink: 0; }
.check__box::after { content: ''; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg) scale(0); transition: transform var(--dur-fast) var(--ease-spring); margin-top: -2px; }
.check input:checked + .check__box { background: var(--primary-600); border-color: var(--primary-500); }
.check input:checked + .check__box::after { transform: rotate(45deg) scale(1); }
.check input:focus-visible + .check__box { box-shadow: 0 0 0 3px var(--ring); }

/* — Alertas — */
.alert { display: flex; align-items: flex-start; gap: .7rem; padding: .85rem 1rem; border-radius: var(--r-md); font-size: var(--fs-sm); border: 1px solid transparent; margin-bottom: var(--sp-4); animation: fadeDown .3s var(--ease-out); line-height: 1.45; }
.alert i { margin-top: .15rem; }
.alert--error { background: rgba(var(--danger-rgb), .1); border-color: rgba(var(--danger-rgb), .25); color: #fca5a5; }
.alert--success { background: rgba(var(--success-rgb), .1); border-color: rgba(var(--success-rgb), .25); color: #6ee7b7; }
.alert--warning { background: rgba(var(--accent-rgb), .1); border-color: rgba(var(--accent-rgb), .25); color: #fcd34d; }
.alert--info { background: var(--primary-soft); border-color: rgba(var(--primary-rgb), .25); color: var(--primary-200); }
[data-theme="light"] .alert--error { color: #b91c1c; }
[data-theme="light"] .alert--success { color: #047857; }
[data-theme="light"] .alert--warning { color: #b45309; }
[data-theme="light"] .alert--info { color: var(--primary-700); }

/* — Chips / badges — */
.chip { display: inline-flex; align-items: center; gap: .35rem; padding: .25rem .7rem; font-size: var(--fs-xs); font-weight: 600; border-radius: var(--r-full); line-height: 1.5; white-space: nowrap; }
.chip--primary { background: var(--primary-soft); color: var(--primary-text); }
.chip--soft { background: var(--primary-soft); color: var(--primary-text); border: 1px solid rgba(var(--primary-rgb), .18); }
.chip--success { background: rgba(var(--success-rgb), .14); color: #34d399; }
.chip--accent { background: rgba(var(--accent-rgb), .15); color: #fbbf24; }
.chip--muted { background: rgba(100, 116, 139, .15); color: #94a3b8; }
.chip--danger { background: rgba(var(--danger-rgb), .14); color: #f87171; }
[data-theme="light"] .chip--success { color: #047857; }
[data-theme="light"] .chip--accent { color: #b45309; }
[data-theme="light"] .chip--muted { color: #475569; }
[data-theme="light"] .chip--danger { color: #b91c1c; }

/* — Avatar — */
.avatar { display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--gradient-primary); color: #fff; font-weight: 700; overflow: hidden; flex-shrink: 0; letter-spacing: .02em; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar--sm { width: 34px; height: 34px; font-size: .7rem; }
.avatar--md { width: 40px; height: 40px; font-size: .8rem; }
.avatar--lg { width: 48px; height: 48px; font-size: .95rem; }

/* — Skeleton — */
.sk { background: var(--skeleton); background-size: 600px 100%; animation: shimmer 1.4s infinite linear; border-radius: var(--r-sm); }
.sk--line { height: 14px; width: 100%; margin-bottom: .55rem; }
.sk--xs { height: 8px; }
.sk--sm { height: 11px; }
.sk--lg { height: 20px; }
.sk--xl { height: 28px; }
.sk--w25 { width: 25%; } .sk--w30 { width: 30%; } .sk--w40 { width: 40%; } .sk--w45 { width: 45%; }
.sk--w50 { width: 50%; } .sk--w60 { width: 60%; } .sk--w70 { width: 70%; } .sk--w100 { width: 100%; }
.sk--icon { width: 40px; height: 40px; border-radius: var(--r-md); flex-shrink: 0; }
.sk--circle { width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0; }
.sk--ring { width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0; }
.sk--poster { width: 150px; aspect-ratio: 4 / 6; border-radius: var(--r-lg); flex-shrink: 0; }
.sk-row { display: flex; gap: .9rem; overflow: hidden; margin-top: 1rem; }

/* — Progress — */
.progress { height: 6px; background: rgba(255, 255, 255, .08); border-radius: var(--r-full); overflow: hidden; }
[data-theme="light"] .progress { background: rgba(0, 0, 0, .07); }
.progress__fill { height: 100%; border-radius: var(--r-full); background: var(--gradient-primary); transition: width 1s var(--ease-out); }
.progress__fill--done { background: var(--gradient-success); }
.progress__fill--gold { background: var(--gradient-gold); }

/* — Ring (progresso circular) — */
.ring { --p: 0; --size: 56px; width: var(--size); height: var(--size); border-radius: 50%; display: grid; place-items: center; position: relative; flex-shrink: 0;
    background: conic-gradient(var(--primary-500) calc(var(--p) * 1%), rgba(var(--primary-rgb), .14) 0); transition: --p 1s; }
.ring::before { content: ''; position: absolute; inset: 5px; border-radius: 50%; background: var(--surface); }
.ring__val { position: relative; font-size: .72rem; font-weight: 800; color: var(--text); }
.ring--done { background: conic-gradient(var(--success) 100%, transparent 0); }

/* — Toast — */
.toast-stack { position: fixed; top: 1.25rem; right: 1.25rem; z-index: var(--z-toast); display: flex; flex-direction: column; gap: .6rem; pointer-events: none; max-width: min(420px, calc(100vw - 2.5rem)); }
.toast { display: flex; align-items: center; gap: .7rem; padding: .85rem 1rem; border-radius: var(--r-lg); background: var(--surface-glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border: 1px solid var(--border-strong); box-shadow: var(--shadow-lg); color: var(--text); font-size: var(--fs-sm); pointer-events: auto; animation: toastIn .4s var(--ease-spring); line-height: 1.4; }
.toast.is-leaving { animation: toastOut .3s var(--ease) forwards; }
.toast__icon { font-size: 1.05rem; flex-shrink: 0; }
.toast--success .toast__icon { color: var(--success); }
.toast--error .toast__icon { color: var(--danger); }
.toast--warning .toast__icon { color: var(--warning); }
.toast--info .toast__icon { color: var(--primary-text); }
.toast__close { margin-left: auto; color: var(--text-soft); padding: .2rem; }
.toast__close:hover { color: var(--text); }
@keyframes toastIn { from { opacity: 0; transform: translateX(30px) scale(.95); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateX(30px) scale(.95); } }

/* — Modal base — */
.modal { position: fixed; inset: 0; z-index: var(--z-modal); display: flex; align-items: center; justify-content: center; padding: var(--sp-4); background: rgba(5, 6, 12, .72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); opacity: 0; transition: opacity .35s var(--ease); }
[data-theme="light"] .modal { background: rgba(20, 24, 40, .45); }
.modal.is-open { opacity: 1; }
.modal__box { width: 100%; max-width: 540px; max-height: 92vh; display: flex; flex-direction: column; background: var(--surface); border: 1px solid rgba(var(--primary-rgb), .22); border-radius: var(--r-2xl); box-shadow: var(--shadow-xl), 0 0 0 1px rgba(var(--primary-rgb), .08), 0 0 90px rgba(var(--primary-rgb), .08); overflow: hidden; transform: translateY(26px) scale(.97); opacity: 0; transition: transform .45s var(--ease-spring), opacity .35s var(--ease); }
.modal__box--wide { max-width: 880px; }
.modal.is-open .modal__box { transform: none; opacity: 1; }
.modal__box.is-shaking { animation: shake .45s var(--ease); }
.modal__body { padding: var(--sp-6) var(--sp-8); overflow-y: auto; }
.modal__foot { padding: var(--sp-4) var(--sp-8) var(--sp-6); border-top: 1px solid var(--border); background: rgba(0, 0, 0, .12); }
[data-theme="light"] .modal__foot { background: rgba(0, 0, 0, .02); }
@media (max-width: 600px) { .modal__body, .modal__foot { padding-left: var(--sp-5); padding-right: var(--sp-5); } }

/* — Empty state — */
.empty { display: flex; flex-direction: column; align-items: center; text-align: center; gap: .75rem; padding: var(--sp-10) var(--sp-6); }
.empty--card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-2xl); }
.empty__icon { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; font-size: 1.8rem; background: var(--primary-soft); color: var(--primary-text); margin-bottom: .25rem; }
.empty__icon--glow { box-shadow: 0 0 0 10px rgba(var(--primary-rgb), .06), 0 0 50px rgba(var(--primary-rgb), .25); animation: float 5s ease-in-out infinite; }
.empty__emoji { font-size: 2.6rem; line-height: 1; }
.empty__title { font-size: var(--fs-xl); }
.empty__desc { font-size: var(--fs-sm); color: var(--text-muted); max-width: 440px; line-height: 1.6; }
.empty__actions { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin-top: .5rem; }
.empty__code { font-size: clamp(3.5rem, 10vw, 6rem); font-weight: 900; line-height: 1; background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: -.04em; }
.empty__debug { text-align: left; font-size: .72rem; background: rgba(0, 0, 0, .25); border: 1px solid var(--border); border-radius: var(--r-md); padding: 1rem; max-width: 100%; overflow: auto; white-space: pre-wrap; color: #fca5a5; max-height: 320px; }

/* — Theme toggle — */
.theme-toggle { display: inline-flex; align-items: center; gap: 7px; padding: 5px 8px; border-radius: var(--r-full); background: var(--surface-2); border: 1px solid var(--border); color: var(--text-muted); transition: all var(--dur-fast); }
.theme-toggle:hover { border-color: var(--primary-500); color: var(--text); box-shadow: 0 0 0 3px rgba(var(--primary-rgb), .1); }
.theme-toggle__track { width: 34px; height: 18px; border-radius: var(--r-full); background: rgba(255, 255, 255, .1); border: 1px solid var(--border-strong); position: relative; transition: background .3s; }
.theme-toggle__thumb { position: absolute; top: 1px; left: 1px; width: 14px; height: 14px; border-radius: 50%; background: var(--text-muted); transition: transform .35s var(--ease-spring), background .25s; box-shadow: 0 1px 4px rgba(0, 0, 0, .3); }
.theme-toggle__moon { color: #a5b4fc; font-size: .72rem; }
.theme-toggle__sun { color: #f59e0b; font-size: .72rem; opacity: .4; transition: opacity .25s; }
[data-theme="light"] .theme-toggle__track { background: rgba(var(--primary-rgb), .14); border-color: rgba(var(--primary-rgb), .35); }
[data-theme="light"] .theme-toggle__thumb { transform: translateX(16px); background: var(--primary-500); }
[data-theme="light"] .theme-toggle__moon { opacity: .4; }
[data-theme="light"] .theme-toggle__sun { opacity: 1; }

/* — Password strength — */
.strength { display: flex; align-items: center; gap: .75rem; margin-top: .6rem; }
.strength__bar { flex: 1; height: 4px; background: rgba(255, 255, 255, .08); border-radius: 2px; overflow: hidden; }
[data-theme="light"] .strength__bar { background: rgba(0, 0, 0, .08); }
.strength__fill { height: 100%; width: 0; border-radius: 2px; transition: width .3s, background .3s; }
.strength__label { font-size: var(--fs-xs); font-weight: 600; min-width: 64px; text-align: right; }

/* — Tooltip (sidebar recolhida) — */
[data-tip] { position: relative; }
.tabs { display: inline-flex; gap: .25rem; padding: .25rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-full); max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs__btn { display: inline-flex; align-items: center; gap: .4rem; padding: .45rem .9rem; border-radius: var(--r-full); font-size: var(--fs-xs); font-weight: 600; color: var(--text-muted); white-space: nowrap; transition: all var(--dur-fast); }
.tabs__btn:hover { color: var(--text); background: rgba(255, 255, 255, .05); }
[data-theme="light"] .tabs__btn:hover { background: rgba(0, 0, 0, .04); }
.tabs__btn.is-active { background: var(--gradient-primary); color: #fff; box-shadow: 0 2px 10px rgba(var(--primary-rgb), .3); }
.tabs__count { background: rgba(255, 255, 255, .12); padding: 0 .4rem; border-radius: var(--r-full); font-size: .65rem; min-width: 18px; text-align: center; }
[data-theme="light"] .tabs__btn:not(.is-active) .tabs__count { background: rgba(0, 0, 0, .07); }