:root {
    --scrollbar-width: 0px;
    /* Cores Tema Claro (Padrão) */
    --bg-color: #fdfdfc;
    --text-color: #1a1a1a;
    --text-muted-color: #6b7280;
    --border-color: rgba(229, 231, 235, 0.8);
    --card-bg-start: #fdfdfc;
    --card-bg-end: #f9f9f8;
    --tag-bg-color: #f3f4f6;
    --tag-hover-bg-color: #e5e7eb;
}

/* Estilos do Modo Escuro */
.dark {
    --bg-color: #111111;
    --text-color: #e5e5e5;
    --text-muted-color: #a3a3a3;
    --border-color: rgba(64, 64, 64, 0.8);
    --card-bg-start: #1a1a1a;
    --card-bg-end: #1f1f1f;
    --tag-bg-color: #3a3a3a;
    --tag-hover-bg-color: #4a4a4a;
}

body {
    font-family: 'EB Garamond', serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.4s ease, color 0.4s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.modal-open {
    overflow: hidden;
    padding-right: var(--scrollbar-width);
}

.content-view, .espiral-item, .fav-icon, .theme-toggle, .share-icon {
    transition: all 0.4s ease;
}

.espiral-item {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    background: linear-gradient(to bottom, var(--card-bg-start), var(--card-bg-end));
    border-color: var(--border-color);
}

.espiral-item.is-visible {
    opacity: 0.8;
    transform: scale(1);
}

.espiral-item:hover {
    opacity: 1;
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
.dark .espiral-item:hover {
    box-shadow: 0 4px 25px rgba(0,0,0,0.2);
}

#modal-overlay {
    background-color: var(--bg-color);
}

#modal-content p::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.4em;
    height: 1px;
    width: 0.8rem;
    background: var(--text-color);
    opacity: 0.15;
}

.fav-container, .share-container {
    position: relative;
}

.custom-tooltip {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    transform-origin: bottom center;
}

.fav-container:hover .custom-tooltip,
.share-container:hover .custom-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

.fav-icon.favorited { fill: #ef4444; stroke: #ef4444; }
.fav-container:hover .fav-icon:not(.favorited) { transform: scale(1.15); color: #f87171; }
.fav-container:hover .fav-icon.favorited { transform: scale(1.15); }
.share-container:hover .share-icon { transform: scale(1.15); }
.tag-pill { background-color: var(--tag-bg-color); }
.tag-pill:hover { background-color: var(--tag-hover-bg-color); }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.spinner { animation: spin 1.5s linear infinite; }

#search-input {
    background-color: var(--tag-bg-color);
    border-color: var(--border-color);
}
#search-input::placeholder { color: var(--text-muted-color); }

/* CORREÇÃO: Estilos para o cabeçalho e rodapé fixos */
header {
    background-color: rgba(253, 253, 252, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.4s ease, border-color 0.4s ease;
}

.dark header {
    background-color: rgba(17, 17, 17, 0.85);
}

#botoes-container {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: linear-gradient(to top, var(--bg-color) 40%, transparent);
    padding-top: 3rem; /* Espaço para o gradiente respirar */
    transition: background-color 0.4s ease;
}

#modal-content p {
    margin-top: 0.4rem;
    margin-bottom: 0.4rem;
    line-height: 1.6;
}