/* Mesmo visual da página inicial (webroot/css/Pages/inicio.css) */
:root {
    --bg: #0f0d0c;
    --surface: rgba(255, 255, 255, 0.035);
    --surface-hover: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.08);
    --text: #f4efe9;
    --muted: #a39b93;
    --accent: #ff8a65;
    --accent-2: #feb47b;
    --cor: #b49cff;
    --radius: 18px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.glow {
    position: fixed;
    inset: -30vh -20vw auto;
    height: 80vh;
    background:
        radial-gradient(40% 50% at 30% 40%, rgba(180, 156, 255, 0.2), transparent 70%),
        radial-gradient(35% 45% at 70% 30%, rgba(254, 180, 123, 0.14), transparent 70%);
    filter: blur(40px);
    pointer-events: none;
    z-index: -1;
}

/* Topo */
.topbar,
.hero,
.layout,
.footer {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.topbar {
    padding-top: 20px;
}

.back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 36px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.back:hover {
    color: var(--text);
    background: var(--surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.hero {
    padding-top: clamp(32px, 7vh, 72px);
    padding-bottom: 32px;
}

.hero__tag {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--cor);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero__title {
    width: fit-content;
    margin: 18px 0 12px;
    font-family: 'Fraunces', Georgia, serif;
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    background: linear-gradient(100deg, var(--text) 20%, var(--accent-2) 75%, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__text {
    max-width: 600px;
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

kbd {
    padding: 1px 6px;
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font: 500 13px 'Inter', system-ui, sans-serif;
}

/* Painéis */
.layout {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) 2fr;
    gap: 14px;
    padding-bottom: 64px;
}

.panel {
    position: relative;
    min-width: 0;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.panel--colors {
    grid-column: 1 / -1;
}

.panel__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 16px;
}

.panel__title {
    margin: 0 0 16px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.panel__head .panel__title {
    margin: 0;
}

.panel__hint {
    color: var(--muted);
    font-size: 13px;
}

/* Paleta só aparece depois que houver cores */
.panel--colors:has(#colorsDisplay:empty) {
    display: none;
}

/* Área de envio */
.dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 28px 16px;
    border: 1.5px dashed rgba(255, 255, 255, 0.16);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.02);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.dropzone:hover {
    border-color: color-mix(in srgb, var(--cor) 60%, transparent);
    background: color-mix(in srgb, var(--cor) 6%, transparent);
}

.dropzone__icon {
    margin-bottom: 6px;
    color: var(--cor);
    font-size: 26px;
}

.dropzone__title {
    font-weight: 600;
}

.dropzone__hint {
    color: var(--muted);
    font-size: 13px;
}

#fileName {
    display: block;
    margin-top: 12px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Opções avançadas */
.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: 18px;
    padding: 12px 0 0;
    border: 0;
    border-top: 1px solid var(--border);
    background: none;
    color: var(--text);
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

.accordion-header i {
    color: var(--muted);
    font-size: 12px;
}

.accordion-body {
    display: none;
    padding-top: 10px;
}

.accordion-body.active {
    display: block;
}

.option {
    display: grid;
    grid-template-columns: 1fr 72px 36px 18px;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
}

.option > label:first-child {
    color: var(--muted);
}

.option input[type="number"] {
    width: 100%;
    height: 34px;
    padding: 0 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.35);
    color: var(--text);
    font: inherit;
    font-size: 14px;
}

.option input[type="number"]:focus {
    outline: none;
    border-color: color-mix(in srgb, var(--cor) 60%, transparent);
}

.option input[type="number"]:disabled {
    opacity: 0.4;
}

.option__info {
    color: var(--muted);
    cursor: help;
}

.switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    cursor: pointer;
}

.switch input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.switch span {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    transition: background 0.2s;
}

.switch span::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--text);
    transition: transform 0.2s;
}

.switch input:checked + span {
    background: var(--cor);
}

.switch input:checked + span::before {
    transform: translateX(16px);
}

.switch input:focus-visible + span {
    outline: 2px solid var(--cor);
    outline-offset: 2px;
}

#timer-label {
    margin-top: 12px;
    color: var(--muted);
    font-size: 13px;
    text-align: right;
}

#timer-label p {
    margin: 0;
}

/* Visualização */
#colorPalette {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 260px;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

#colorPalette img {
    max-width: 100%;
    max-height: 420px;
    border-radius: 12px;
}

#colorPalette p {
    margin: 12px 0 0;
}

.placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 64px 16px;
    border: 1.5px dashed var(--border);
    border-radius: 14px;
}

.placeholder i {
    font-size: 32px;
    opacity: 0.5;
}

/* Cores */
#colorsDisplay {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.color-circle {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    width: 84px;
    height: 84px;
    padding-bottom: 10px;
    border-radius: 16px;
    border-color: rgba(255, 255, 255, 0.12) !important;
    border-width: 1px !important;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.color-circle:hover {
    transform: translateY(-3px);
}

.color-circle.copied {
    animation: blink 0.5s ease forwards;
}

@keyframes blink {
    50% { opacity: 0.5; transform: scale(0.95); }
}

/* Aviso de cor copiada */
#toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    padding: 10px 18px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(15, 13, 12, 0.92);
    color: var(--text);
    font-size: 14px;
    opacity: 0;
    transform: translate(-50%, 8px);
    transition: opacity 0.25s, transform 0.25s;
    pointer-events: none;
    z-index: 1001;
}

#toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* Rodapé */
.footer {
    margin-top: auto;
    padding-top: 28px;
    padding-bottom: 40px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 14px;
}

.footer p {
    margin: 0;
}

/* Overlay de arrastar */
#dragOverlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 13, 12, 0.85);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: var(--text);
    font-size: 22px;
    text-align: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

#dragOverlay.show {
    opacity: 1;
    pointer-events: all;
}

#dragOverlay i {
    display: block;
    margin-bottom: 10px;
    color: var(--cor);
    font-size: 56px;
}

@media (max-width: 760px) {
    .layout {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .color-circle,
    #toast {
        transition: none;
    }
}