/**
 * 🏗️ APP SHELL - RotaTruck v5.0
 * Estrutura base do aplicativo (layout principal)
 * Grid: Sidebar (64px) + Conteúdo
 */

/* ==================== RESET & BASE ==================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height (iOS) */
}


/* ==================== APP SHELL (Grid Layout) ==================== */

.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}


/* ==================== SIDEBAR ==================== */

.sidebar {
    position: relative;
    background: var(--color-sidebar-bg);
    backdrop-filter: var(--blur-xl);
    -webkit-backdrop-filter: var(--blur-xl);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: calc(var(--spacing-xl) + var(--safe-area-top));
    padding-bottom: calc(var(--spacing-lg) + var(--safe-area-bottom));
    z-index: var(--z-sidebar);
}

/* Logo da sidebar */
.sidebar-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.sidebar-logo img,
.sidebar-logo svg {
    width: 32px;
    height: 32px;
}

/* Navegação da sidebar */
.nav-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    padding: 0 var(--spacing-sm);
}

.nav-item {
    position: relative;
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    color: var(--color-sidebar-item);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-base);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.nav-item svg,
.nav-item i {
    font-size: var(--font-size-xl);
}

.nav-item:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

.nav-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--color-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}


/* ==================== CONTEÚDO PRINCIPAL ==================== */

.app-content {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-bg);
}

/* Background do mapa (blur) */
.app-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/images/background-map-blur.jpg');
    background-size: cover;
    background-position: center;
    filter: blur(8px);
    opacity: 0.3;
    z-index: var(--z-mapa);
    pointer-events: none;
}


/* ==================== HEADER ==================== */

.app-header {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    padding-top: calc(var(--spacing-lg) + var(--safe-area-top));
    z-index: var(--z-header);
}

.app-header .logo-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-card);
}

.app-header .logo-icon svg,
.app-header .logo-icon img {
    width: 36px;
    height: 36px;
}

.app-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    letter-spacing: -0.02em;
}


/* ==================== CARD DE ROTA ==================== */

.card-route {
    position: relative;
    background: var(--color-surface-card);
    backdrop-filter: var(--blur-lg);
    -webkit-backdrop-filter: var(--blur-lg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: 0 var(--spacing-xl) var(--spacing-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
    z-index: var(--z-base);
}

.card-route h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}


/* ==================== FORM FIELDS ==================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select {
    width: 100%;
    height: var(--input-height);
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--font-size-md);
    padding: 0 var(--spacing-md);
    transition: all var(--transition-base);
    outline: none;
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa3ad' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: var(--spacing-2xl);
}

/* Input com botão GPS */
.input-group {
    position: relative;
    display: flex;
    gap: var(--spacing-sm);
}

.input-group .form-input {
    flex: 1;
}

.btn-gps {
    flex-shrink: 0;
    width: var(--input-height);
    height: var(--input-height);
    border: none;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn-gps:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-gps:active {
    transform: translateY(0);
}


/* ==================== BUTTONS ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    height: var(--button-height-lg);
    padding: 0 var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: all var(--transition-base);
    outline: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: var(--color-text-disabled);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-full {
    width: 100%;
}

/* Ícone no botão */
.btn svg,
.btn i {
    font-size: var(--font-size-lg);
}


/* ==================== MAPA ==================== */

#map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-mapa);
}


/* ==================== LOADING ==================== */

#loading-rotas {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.95);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-3xl);
    border-radius: var(--radius-lg);
    z-index: var(--z-nav-base);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

#loading-rotas .spinner {
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


/* ==================== SCROLLBAR CUSTOMIZADA ==================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-hover);
}


/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
    .app-shell {
        grid-template-columns: var(--sidebar-width) 1fr;
    }
    
    .card-route {
        margin: 0 var(--spacing-md) var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .app-header {
        padding: var(--spacing-md);
        padding-top: calc(var(--spacing-md) + var(--safe-area-top));
    }
    
    .app-header h1 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 56px;
    }
    
    .nav-item {
        width: 40px;
        height: 40px;
    }
    
    .card-route h2 {
        font-size: var(--font-size-lg);
    }
}