body {
    font-family: 'Inter', sans-serif;
    background:
        radial-gradient(circle at top, rgba(14, 165, 233, 0.08), transparent 30%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.06), transparent 22%),
        linear-gradient(180deg, #f8fbff 0%, #f4f8fc 45%, #f8fafc 100%);
    color: #0f172a;
}

::selection {
    background: rgba(14, 165, 233, 0.18);
    color: #0f172a;
}

header {
    backdrop-filter: blur(10px);
}

.surface-panel {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(248, 251, 255, 0.9));
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.05),
        0 14px 30px rgba(15, 23, 42, 0.05);
}

.intro-panel {
    background:
        radial-gradient(circle at top left, rgba(14, 165, 233, 0.14), transparent 30%),
        radial-gradient(circle at right center, rgba(16, 185, 129, 0.08), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, #f9fcff 100%);
}

.intro-panel__accent {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(135deg, rgba(14, 165, 233, 0.08), transparent 42%),
        linear-gradient(315deg, rgba(15, 23, 42, 0.04), transparent 36%);
}

.intro-panel h2 {
    letter-spacing: -0.03em;
}

.intro-panel a {
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.chart-container {
    position: relative;
    width: 100%;
    height: 300px;
}

@media (min-width: 1024px) {
    .chart-container {
        height: 400px;
    }
}

.form-select, .form-input, .form-textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
    border-radius: 0.375rem;
    background-color: white;
    font-size: 0.875rem;
    transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: #0ea5e9;
    box-shadow: 0 0 0 1px rgba(14, 165, 233, 0.35), 0 0 0 4px rgba(14, 165, 233, 0.08);
}

/* Ajustes do Kanban para Mobile-First */
.kanban-container {
    display: flex;
    gap: 1rem;
    overflow-x: auto; /* Permite scroll horizontal no celular */
    padding-bottom: 1rem;
    /* Scroll snap para comportamento de "página" suave no toque */
    scroll-snap-type: x mandatory;
}

.kanban-col {
    display: flex;
    flex-direction: column;
    min-width: 280px; /* Largura mínima garante que não esprema no celular */
    flex: 1; /* Cresce em telas grandes */
    scroll-snap-align: start;
    max-height: 70vh; /* Limita a altura para ter scroll interno */
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(248,250,252,0.92));
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.kanban-zone {
    flex-grow: 1;
    overflow-y: auto;
    padding: 0.5rem;
    min-height: 200px;
}

/* Scrollbars bonitas para o Kanban */
.kanban-zone::-webkit-scrollbar { width: 6px; }
.kanban-zone::-webkit-scrollbar-track { background: transparent; }
.kanban-zone::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
.kanban-zone::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

.sortable-ghost { opacity: 0.4; background-color: #f1f5f9; }
.sortable-drag { cursor: grabbing !important; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.kanban-card { cursor: grab; }
.kanban-card:active { cursor: grabbing; }

.kanban-card {
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.kanban-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.kanban-card.bg-white {
    background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.kanban-card.bg-red-50 {
    background: linear-gradient(180deg, #fff5f5 0%, #fffafa 100%);
}

#overdue-banner {
    background: linear-gradient(90deg, rgba(254, 242, 242, 0.98), rgba(255, 255, 255, 0.98));
    border-left-color: #ef4444;
}

#task-modal .bg-white {
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

@media (prefers-reduced-motion: reduce) {
    .kanban-card,
    .form-select,
    .form-input,
    .form-textarea {
        transition: none;
    }

    .kanban-card:hover {
        transform: none;
    }
}