/* =============================================
 * DESIGN SYSTEM ASSIST DOCS v3.0
 * Mobile-First | PWA Otimizado
 * =============================================
 */

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

:root {
    /* MODO CLARO */
    --cor-primaria: #688F24;
    --cor-fundo: #F7F8F6;
    --cor-superficie: #FFFFFF;
    --cor-texto-principal: #333333;
    --cor-texto-secundario: #666666;
    --cor-texto-inverso: #FFFFFF;
    --cor-borda: #E5E7EB;
    
    /* Cores Agro */
    --cor-terracota: #E2725B;
    --cor-ceu: #87CEEB;
    --cor-sucesso: #28A745;
    --cor-erro: #D9534F;
    --cor-aviso: #F9A825;
    --cor-info: #3498db;

    --raio-borda: 0.75rem;
    --sombra-card: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* DARK MODE */
.dark {
    --cor-fundo: #1B1F13;
    --cor-superficie: #2A2F21;
    --cor-texto-principal: #F7F8F6;
    --cor-texto-secundario: #A0A897;
    --cor-borda: #393E30;
    --sombra-card: 0 4px 12px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--cor-fundo);
    color: var(--cor-texto-principal);
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    min-height: 100dvh;
}

/* =============================================
 * MOBILE HEADER (Padronizado)
 * =============================================
 */
.mobile-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background-color: var(--cor-superficie);
    border-bottom: 1px solid var(--cor-borda);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
    .mobile-header {
        padding: 0.75rem 1rem;
    }
    
    .mobile-header h2 {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--cor-texto-principal);
    }
}

/* =============================================
 * BOTTOM NAV (Padronizado e Criativo)
 * =============================================
 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: linear-gradient(to top, var(--cor-superficie) 0%, var(--cor-superficie) 100%);
    border-top: 1px solid var(--cor-borda);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding-bottom: env(safe-area-inset-bottom);
}

.bottom-nav-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: center;
    justify-items: center;
    height: 4.5rem;
    max-width: 640px;
    margin: 0 auto;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--cor-texto-secundario);
    position: relative;
    width: 100%;
    height: 100%;
}

.nav-item:active {
    transform: scale(0.95);
}

.nav-item.active {
    color: var(--cor-primaria);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--cor-primaria);
    border-radius: 0 0 4px 4px;
}

.nav-icon {
    font-size: 1.5rem;
    transition: transform 0.2s ease;
}

.nav-item.active .nav-icon {
    transform: scale(1.1);
}

.nav-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* =============================================
 * DASHBOARD HEADER SCROLL (Mobile)
 * =============================================
 */
#top-header {
    background-color: transparent;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    #top-header.scrolled {
        background-color: var(--cor-superficie);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    }
}

/* Desktop sempre com fundo */
@media (min-width: 769px) {
    #top-header {
        background-color: var(--cor-superficie);
        border-bottom: 1px solid var(--cor-borda);
    }
}

/* =============================================
 * UTILITIES
 * =============================================
 */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.dark .glass {
    background: rgba(42, 47, 33, 0.7);
}

input, select, textarea {
    background-color: var(--cor-fundo) !important;
    color: var(--cor-texto-principal) !important;
    border-color: var(--cor-borda) !important;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--cor-primaria) !important;
    outline: none !important;
    box-shadow: 0 0 0 1px var(--cor-primaria) !important;
}

/* Safe area para dispositivos com notch */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .pb-safe {
        padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
    }
}

/* Header fixo — empurra abaixo da notch/Dynamic Island */
header#top-header {
    padding-top: max(12px, env(safe-area-inset-top));
}

/* Bottom-nav — respeita o indicador de home do iPhone */
nav.bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
    height: calc(80px + env(safe-area-inset-bottom));
}