@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ======================= TOKENS (Apple dark) ======================= */
:root {
    /* superfícies */
    --bg:        #000000;
    --surface:   #1c1c1e;   /* card */
    --surface-2: #2c2c2e;   /* input / elevado */
    --surface-3: #3a3a3c;

    /* texto */
    --txt:     #f5f5f7;     /* branco Apple */
    --txt-sec: #a1a1a6;     /* cinza secundário Apple */
    --txt-dim: #6e6e73;

    /* acento (cyan da marca, no papel do azul Apple) */
    --acc:     #2ad4e6;
    --acc-2:   #11b9cc;
    --acc-soft: rgba(42,212,230,.14);

    --ok:   #30d158;        /* verde iOS */
    --warn: #ff9f0a;
    --err:  #ff453a;

    --borda:   rgba(255,255,255,.10);
    --borda-2: rgba(255,255,255,.06);

    /* raios (continuous-like) */
    --r-sm: 12px;
    --r-md: 18px;
    --r-lg: 24px;

    /* espaço generoso (Apple) */
    --sp-xs: clamp(.4rem, .3rem + .3vw, .6rem);
    --sp-sm: clamp(.8rem, .6rem + .6vw, 1.1rem);
    --sp-md: clamp(1.2rem, .9rem + 1.1vw, 1.8rem);
    --sp-lg: clamp(2rem, 1.5rem + 2vw, 3.2rem);
    --sp-xl: clamp(3rem, 2rem + 4vw, 5rem);

    /* tipografia fluida */
    --fs-sm:   clamp(.82rem, .78rem + .2vw, .92rem);
    --fs-base: clamp(.95rem, .9rem + .2vw, 1.06rem);
    --fs-lg:   clamp(1.4rem, 1.1rem + 1.2vw, 2rem);
    --fs-xl:   clamp(2.4rem, 1.6rem + 3.4vw, 4.4rem);

    --dur: 320ms;
    --ease: cubic-bezier(.28,.11,.32,1);   /* curva Apple */
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--txt);
    font-size: var(--fs-base);
    line-height: 1.5;
    letter-spacing: -0.01em;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* leve halo de profundidade no topo, bem sutil (não neon) */
.aurora {
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background: radial-gradient(60% 50% at 50% -10%, rgba(42,212,230,.06), transparent 70%);
}

/* ======================= SUPERFÍCIES ======================= */
.glass {
    background: var(--surface);
    border: 1px solid var(--borda-2);
    border-radius: var(--r-lg);
}
.glass-soft {
    background: var(--surface-2);
    border: 1px solid var(--borda-2);
    border-radius: var(--r-md);
}

/* ======================= UTIL ======================= */
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }
.grad { color: var(--acc); }   /* sem gradiente berrante; acento sólido Apple */
.container { max-width: 1080px; margin: 0 auto; padding: var(--sp-lg) var(--sp-md) var(--sp-xl); }

/* ======================= BOTÕES (Apple) ======================= */
.btn-neon {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    font-weight: 600; font-size: var(--fs-base); letter-spacing: -0.01em;
    color: #06181b;
    background: var(--acc);
    border: none; border-radius: 980px;     /* pill Apple */
    padding: .8rem 1.5rem;
    cursor: pointer; text-decoration: none;
    transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), opacity var(--dur);
}
.btn-neon:hover { background: #4ee0ef; transform: scale(1.015); }
.btn-neon:active { transform: scale(.985); }
.btn-neon:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.btn-neon .seta { transition: transform var(--dur) var(--ease); }
.btn-neon:hover:not(:disabled) .seta { transform: translateX(3px); }

.btn-ghost {
    background: transparent; color: var(--acc);
    border: none; border-radius: 980px;
    padding: .8rem 1.2rem; cursor: pointer; font-size: var(--fs-base); font-weight: 500;
    transition: opacity var(--dur);
}
.btn-ghost:hover { text-decoration: underline; }

:focus-visible { outline: 3px solid var(--acc); outline-offset: 3px; border-radius: 8px; }
:focus:not(:focus-visible) { outline: none; }

/* ======================= LOGIN ======================= */
.tela-login { display: grid; place-items: center; padding: var(--sp-md); }
.login-card { width: min(380px, 92vw); padding: var(--sp-lg); text-align: center; }
.login-logo { width: 128px; height: 128px; border-radius: 28px; object-fit: cover; margin-bottom: var(--sp-md); }
.login-sub { color: var(--txt-sec); margin-bottom: var(--sp-lg); font-size: var(--fs-sm); }
.login-form { display: grid; gap: var(--sp-sm); text-align: left; }

/* ======================= CAMPOS ======================= */
.campo-label { font-size: var(--fs-sm); color: var(--txt-sec); font-weight: 500; display: block; margin-bottom: .4rem; }
.campo {
    width: 100%;
    background: var(--surface-2);
    color: var(--txt);
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    padding: .85rem 1rem;
    font-size: var(--fs-base); font-family: inherit; letter-spacing: -0.01em;
    transition: border-color var(--dur), background var(--dur);
}
.campo::placeholder { color: var(--txt-dim); }
.campo:focus { border-color: var(--acc); outline: none; background: #242426; }
.campo-area { resize: vertical; min-height: 56px; }
select.campo { appearance: none; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23a1a1a6' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.4rem; }
.msg-erro { color: var(--err); font-size: var(--fs-sm); }

/* ======================= TOPBAR (navbar translúcida Apple) ======================= */
.topbar {
    position: sticky; top: 0; z-index: 50;
    display: flex; align-items: center; justify-content: space-between; gap: var(--sp-md);
    padding: .6rem var(--sp-md);
    background: rgba(22,22,24,.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: none; border-bottom: 1px solid var(--borda-2);
    border-radius: 0;
    margin: 0;
}
.brand { display: flex; align-items: center; gap: .6rem; }
.brand-logo { width: 32px; height: 32px; border-radius: 8px; object-fit: cover; }
.brand-name { font-size: 1.05rem; font-weight: 600; letter-spacing: -0.02em; }
.brand-name b { font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: var(--sp-sm); }
.link-top { color: var(--txt-sec); text-decoration: none; font-size: var(--fs-sm); font-weight: 500; padding: .4rem .6rem; border-radius: 8px; transition: color var(--dur); }
.link-top:hover { color: var(--txt); }
.link-sair:hover { color: var(--err); }

.saldo-chip { display: flex; flex-direction: column; line-height: 1.15;
    background: var(--surface-2); border: 1px solid var(--borda-2);
    border-radius: 980px; padding: .35rem .9rem; }
.saldo-label { font-size: .62rem; color: var(--txt-dim); text-transform: uppercase; letter-spacing: .06em; }
.saldo-valor { font-weight: 600; font-size: .92rem; }

/* ======================= TÍTULOS ======================= */
.titulo-pagina { font-size: var(--fs-xl); font-weight: 600; line-height: 1.06; letter-spacing: -0.03em; margin-bottom: .4rem; }
.subtitulo { color: var(--txt-sec); margin-bottom: var(--sp-lg); max-width: 56ch; font-size: 1.1rem; }

/* ======================= GRID ======================= */
.grid-app { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--sp-md); align-items: start; }
@media (max-width: 880px) { .grid-app { grid-template-columns: 1fr; } }
.painel { padding: var(--sp-md); }

/* ======================= ABAS (segmented control iOS) ======================= */
.abas { display: flex; gap: .2rem; background: var(--surface-2); padding: .25rem; border-radius: 12px; margin-bottom: var(--sp-md); }
.aba { flex: 1; min-width: 90px; border: none; background: transparent; color: var(--txt-sec); font-weight: 500; font-size: var(--fs-sm);
    padding: .55rem .4rem; border-radius: 9px; cursor: pointer; transition: color var(--dur), background var(--dur); }
.aba:hover { color: var(--txt); }
.aba.ativa { color: var(--txt); background: var(--surface-3); box-shadow: 0 1px 2px rgba(0,0,0,.3); }

/* ======================= DROPZONES ======================= */
.dropzones { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-sm); margin-bottom: var(--sp-md); }
.dz {
    position: relative; aspect-ratio: 1/1;
    border: 1px dashed rgba(255,255,255,.16);
    border-radius: var(--r-md);
    background: var(--surface-2);
    display: grid; place-items: center;
    cursor: pointer; overflow: hidden;
    transition: border-color var(--dur), background var(--dur);
}
.dz:hover { border-color: var(--acc); background: #242426; }
.dz.arrastando { border-color: var(--acc); border-style: solid; background: var(--acc-soft); }
.dz.preenchida { border-style: solid; border-color: var(--borda); }
.dz-vazio { display: grid; place-items: center; gap: .3rem; text-align: center; color: var(--txt-sec); padding: 1rem; }
.dz-icone { font-size: 1.8rem; color: var(--acc); line-height: 1; font-weight: 300; }
.dz-titulo { font-weight: 600; color: var(--txt); font-size: var(--fs-sm); }
.dz-dica { font-size: .76rem; color: var(--txt-dim); }
.dz-preview { position: absolute; inset: 0; }
.dz-preview img, .dz-preview video { width: 100%; height: 100%; object-fit: cover; }
.dz.preenchida .dz-vazio { display: none; }

.modo-text2video .dropzones, .modo-image2video #dzVideo { display: none; }
.modo-image2video .dropzones { grid-template-columns: 1fr; }

/* ======================= OPÇÕES ======================= */
.opcoes { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-sm); margin: var(--sp-md) 0; }
.opcao-audio { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between;
    background: var(--surface-2); border: 1px solid var(--borda-2); border-radius: var(--r-sm); padding: .8rem 1rem; }

/* switch iOS */
.switch { display: inline-flex; align-items: center; gap: .6rem; cursor: pointer; }
.switch input { display: none; }
.switch-trilha { width: 50px; height: 30px; border-radius: 980px; background: var(--surface-3); position: relative; transition: background var(--dur) var(--ease); }
.switch-bolinha { position: absolute; top: 2px; left: 2px; width: 26px; height: 26px; border-radius: 50%; background: #fff; transition: transform var(--dur) var(--ease); box-shadow: 0 1px 3px rgba(0,0,0,.4); }
.switch input:checked + .switch-trilha { background: var(--ok); }
.switch input:checked + .switch-trilha .switch-bolinha { transform: translateX(20px); }
.switch-txt { font-size: var(--fs-sm); color: var(--txt-sec); font-weight: 500; }

/* presets (segmented) */
.presets { display: flex; gap: .2rem; margin-top: .5rem; background: var(--surface-2); padding: .2rem; border-radius: 10px; }
.preset { flex: 1; min-width: 44px; border: none; background: transparent; color: var(--txt-sec);
    border-radius: 8px; padding: .45rem .2rem; font-size: var(--fs-sm); font-weight: 500; cursor: pointer;
    transition: color var(--dur), background var(--dur); }
.preset:hover { color: var(--txt); }
.preset.ativo { color: var(--txt); background: var(--surface-3); box-shadow: 0 1px 2px rgba(0,0,0,.3); }
.aviso-duracao { margin-top: .5rem; font-size: var(--fs-sm); color: var(--acc); }

/* ======================= ESTIMADOR ======================= */
.estimador { padding: var(--sp-sm) var(--sp-md); margin-bottom: var(--sp-md); }
.est-linha { display: flex; align-items: center; justify-content: space-between; font-size: var(--fs-sm); color: var(--txt-sec); padding: .2rem 0; }
.est-saldo { color: var(--txt); font-size: 1.05rem; font-weight: 600; }
.est-custo { color: var(--acc); font-size: 1.05rem; font-weight: 600; }
.est-dica { font-size: var(--fs-sm); color: var(--txt-sec); margin-top: .5rem; }
.est-dica.economia { color: var(--warn); }
.est-dica.estoura  { color: var(--err); font-weight: 600; }
.est-barra { height: 4px; background: var(--surface-3); border-radius: 980px; margin-top: .7rem; overflow: hidden; }
.est-barra span { display: block; height: 100%; width: 0; border-radius: 980px; background: var(--acc); transition: width var(--dur) var(--ease); }

.btn-gerar { width: 100%; padding: 1rem; font-size: 1.05rem; }

.resultado-aviso { font-size: var(--fs-sm); color: var(--warn); background: rgba(255,159,10,.1);
    border: 1px solid rgba(255,159,10,.25); border-radius: var(--r-sm); padding: .6rem .8rem; }

/* ======================= RESULTADO ======================= */
.painel-resultado { min-height: 380px; display: grid; }
.resultado-vazio { display: grid; place-items: center; gap: var(--sp-sm); color: var(--txt-dim); text-align: center; align-self: center; }
.vazio-icone { font-size: 2.4rem; opacity: .5; }

.resultado-progresso { align-self: center; display: grid; gap: var(--sp-md); padding: var(--sp-md); }
/* anel de progresso (avança com o tempo, 100% quando pronto) */
.anel { position: relative; width: 130px; height: 130px; border-radius: 50%; margin: 0 auto;
    background: conic-gradient(var(--acc) calc(var(--pct) * 1%), var(--surface-3) 0);
    display: grid; place-items: center; transition: background .35s var(--ease); }
.anel::before { content: ''; position: absolute; width: 104px; height: 104px; border-radius: 50%; background: var(--surface); }
.anel-num { position: relative; font-weight: 600; font-size: 1.6rem; letter-spacing: -0.02em; }
.progresso-msg { text-align: center; color: var(--txt-sec); font-size: var(--fs-sm); }
.cronometro { text-align: center; color: var(--acc); font-size: var(--fs-sm); margin-top: .3rem; }

.resultado-final { display: grid; gap: var(--sp-sm); align-content: start; }
.resultado-final video { width: 100%; border-radius: var(--r-md); background: #000; }
.resultado-acoes { display: flex; gap: var(--sp-sm); flex-wrap: wrap; align-items: center; }

/* ======================= GALERIA ======================= */
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--sp-md); }
.card-video { overflow: hidden; display: flex; flex-direction: column; transition: transform var(--dur) var(--ease); }
.card-video:hover { transform: translateY(-3px); }
.cv-midia { position: relative; aspect-ratio: 1/1; background: #000; }
.cv-midia video, .cv-midia img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cv-semimg { display: grid; place-items: center; height: 100%; font-size: 2rem; }
.cv-badge { position: absolute; top: .6rem; left: .6rem; font-size: .7rem; font-weight: 600; padding: .2rem .6rem; border-radius: 980px; background: rgba(0,0,0,.6); backdrop-filter: blur(8px); }
.cv-failed { color: var(--err); }
.cv-processing { color: var(--warn); }
.cv-info { padding: var(--sp-sm); display: grid; gap: .35rem; }
.cv-prompt { font-size: var(--fs-sm); color: var(--txt); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cv-meta { display: flex; flex-wrap: wrap; gap: .5rem; font-size: .72rem; color: var(--txt-sec); }
.cv-custo { color: var(--acc); font-weight: 600; }
.cv-data { font-size: .68rem; color: var(--txt-dim); }
.cv-baixar { font-size: var(--fs-sm); color: var(--acc); text-decoration: none; font-weight: 500; }
.cv-baixar:hover { text-decoration: underline; }
.vazio-geral { padding: var(--sp-lg); text-align: center; display: grid; gap: var(--sp-md); place-items: center; }

/* ======================= MODAL ======================= */
.modal-overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: var(--sp-md);
    background: rgba(0,0,0,.6); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); animation: fadeIn var(--dur) var(--ease); }
.modal-overlay.saindo { animation: fadeOut var(--dur) var(--ease) forwards; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeOut { to { opacity: 0; } }
.modal-aviso { width: min(420px, 92vw); padding: var(--sp-lg); text-align: center; display: grid; gap: var(--sp-sm); justify-items: center; animation: subir var(--dur) var(--ease); }
@keyframes subir { from { transform: translateY(16px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-logo { width: 80px; height: 80px; border-radius: 20px; object-fit: cover; }
.modal-tit { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; }
.modal-txt { color: var(--txt-sec); line-height: 1.6; }

/* ======================= REDUCED MOTION ======================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}