/* index.css - Versão otimizada com princípios de UIX Design e personalização de portfólio */

/*----------------------------------------------
 * CONFIGURAÇÕES GLOBAIS
 *----------------------------------------------*/

/* Variáveis de design system */
:root {
    /* Paleta de cores */
    --color-primary: #7DA68D;
    --color-primary-light: #9EBDAC;
    --color-primary-dark: #5A8A6A;
    --color-secondary: #A58C7A;
    --color-secondary-light: #C2AD9F;
    --color-secondary-dark: #876F5D;
    
    /* Cores de fundo */
    --color-bg-primary: #1B2228;
    --color-bg-secondary: #2A353E;
    --color-bg-tertiary: #364350;
    --color-bg-light: #F5F7F9;
    
    /* Cores de texto */
    --color-text: #DCE3E7;
    --color-text-muted: #A0A8B0;
    --color-text-dark: #333940;
    --color-text-light: #FFFFFF;
    
    /* Cores de estado */
    --color-focus: #0D6EFD;
    --color-hover: rgba(125, 166, 141, 0.2);
    --color-active: rgba(125, 166, 141, 0.4);
    --color-error: #DC3545;
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-info: #17A2B8;
    
    /* Cores do portfólio */
    --color-sea: #8A6FD6;
    --color-sirelia: #E67E22;
    --color-orkaalert: #F39C12;
    --color-oceanframe: #3498DB;
    --color-planari: #2ECC71;
    
    /* Elevação e sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.2);
    
    /* Tipografia */
    --font-family-base: 'Rubik', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-size-xs: 0.75rem;   /* 12px */
    --font-size-sm: 0.875rem;  /* 14px */
    --font-size-base: 1rem;    /* 16px */
    --font-size-md: 1.125rem;  /* 18px */
    --font-size-lg: 1.25rem;   /* 20px */
    --font-size-xl: 1.5rem;    /* 24px */
    --font-size-2xl: 1.875rem; /* 30px */
    --font-size-3xl: 2.25rem;  /* 36px */
    
    /* Pesos de fonte */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Espaçamento */
    --spacing-3xs: 0.125rem; /* 2px */
    --spacing-2xs: 0.25rem;  /* 4px */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 0.75rem;   /* 12px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    
    /* Layout */
    --menu-width: 240px;
    --menu-width-collapsed: 72px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-pill: 9999px;
    
    /* Animações */
    --transition-fast: 0.15s;
    --transition-base: 0.3s;
    --transition-slow: 0.5s;
    --easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
    --easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
    --easing-accelerate: cubic-bezier(0.4, 0, 1, 1);
    
    /* Z-index */
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 1050;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;
}

/* Tema claro */
body.light-theme {
    --color-bg-primary: #F5F7F9;
    --color-bg-secondary: #FFFFFF;
    --color-bg-tertiary: #E9ECEF;
    --color-text: #333940;
    --color-text-muted: #6C757D;
    --color-hover: rgba(125, 166, 141, 0.1);
    --color-active: rgba(125, 166, 141, 0.2);
}

/*----------------------------------------------
 * RESET E ESTILOS BASE
 *----------------------------------------------*/

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    transition: 
        background-color var(--transition-base) var(--easing-standard),
        color var(--transition-base) var(--easing-standard);
}

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-base) var(--easing-standard);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    font-family: inherit;
    background: none;
    border: none;
    padding: 0;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    line-height: 1.2;
}

/* Foco acessível */
:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* Utilitários de acessibilidade */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/*----------------------------------------------
 * LAYOUT PRINCIPAL
 *----------------------------------------------*/

.central-container {
    display: flex;
    width: 98%;
    max-width: 1300px;
    height: 95vh;
    background: rgba(125, 166, 141, 0.05);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/*----------------------------------------------
 * HEADER E CONTROLES
 *----------------------------------------------*/

.app-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md);
    z-index: var(--z-index-fixed);
}

/* Botões de controle */
.menu-toggle,
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-md);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base) var(--easing-standard);
}

.menu-toggle:hover,
.theme-toggle:hover {
    background: var(--color-primary);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.menu-toggle:active,
.theme-toggle:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/*----------------------------------------------
 * SIDEBAR
 *----------------------------------------------*/

.sidebar {
    width: var(--menu-width);
    background: var(--color-bg-secondary);
    color: var(--color-text);
    border-top-left-radius: var(--border-radius-lg);
    border-bottom-left-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl) var(--spacing-md);
    transition: 
        transform var(--transition-base) var(--easing-decelerate),
        width var(--transition-base) var(--easing-decelerate),
        background-color var(--transition-base) var(--easing-standard);
    z-index: var(--z-index-fixed);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: transform var(--transition-base) var(--easing-standard);
}

.sidebar-logo:hover {
    transform: translateY(-2px);
}

.sidebar-logo img {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: transform var(--transition-base) var(--easing-standard);
}

.sidebar-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin: 0;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.menu-section {
    margin-bottom: var(--spacing-xl);
}

.menu-heading {
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    padding-left: var(--spacing-xs);
    position: relative;
}

.menu-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--border-radius-pill);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-item {
    width: 100%;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    background: transparent;
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base) var(--easing-standard);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-base) var(--easing-standard);
}

.nav-link:hover {
    color: var(--color-text-light);
    transform: translateX(4px);
}

.nav-link:hover::before {
    opacity: 0.1;
}

.nav-link.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text-light);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.nav-link i,
.nav-link img {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast) var(--easing-standard);
}

.nav-link:hover i,
.nav-link:hover img,
.nav-link.active i,
.nav-link.active img {
    transform: scale(1.1);
}

/* Cores personalizadas para itens do portfólio */
.nav-link[data-file="sessao-sea.php"] {
    position: relative;
}

.nav-link[data-file="sessao-sea.php"]::before {
    background: var(--color-sea);
}

.nav-link[data-file="sessao-sea.php"]:hover,
.nav-link[data-file="sessao-sea.php"].active {
    background: linear-gradient(135deg, var(--color-sea), color-mix(in srgb, var(--color-sea) 70%, black));
}

.nav-link[data-file="sessao-sirelia.php"]::before {
    background: var(--color-sirelia);
}

.nav-link[data-file="sessao-sirelia.php"]:hover,
.nav-link[data-file="sessao-sirelia.php"].active {
    background: linear-gradient(135deg, var(--color-sirelia), color-mix(in srgb, var(--color-sirelia) 70%, black));
}

.nav-link[data-file="sessao-orkaalert.php"]::before {
    background: var(--color-orkaalert);
}

.nav-link[data-file="sessao-orkaalert.php"]:hover,
.nav-link[data-file="sessao-orkaalert.php"].active {
    background: linear-gradient(135deg, var(--color-orkaalert), color-mix(in srgb, var(--color-orkaalert) 70%, black));
}

.nav-link[data-file="sessao-oceanframe.php"]::before {
    background: var(--color-oceanframe);
}

.nav-link[data-file="sessao-oceanframe.php"]:hover,
.nav-link[data-file="sessao-oceanframe.php"].active {
    background: linear-gradient(135deg, var(--color-oceanframe), color-mix(in srgb, var(--color-oceanframe) 70%, black));
}

.nav-link[data-file="sessao-planari.php"]::before {
    background: var(--color-planari);
}

.nav-link[data-file="sessao-planari.php"]:hover,
.nav-link[data-file="sessao-planari.php"].active {
    background: linear-gradient(135deg, var(--color-planari), color-mix(in srgb, var(--color-planari) 70%, black));
}

.sidebar-footer {
    margin-top: auto;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

/*----------------------------------------------
 * CONTEÚDO PRINCIPAL
 *----------------------------------------------*/

.main-content {
    flex: 1;
    background: var(--color-bg-primary);
    border-top-right-radius: var(--border-radius-lg);
    border-bottom-right-radius: var(--border-radius-lg);
    overflow-y: auto;
    position: relative;
    transition: background-color var(--transition-base) var(--easing-standard);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    padding-top: calc(60px + var(--spacing-lg));
}

/* Estilização da barra de rolagem */
.main-content::-webkit-scrollbar {
    width: 6px;
}

.main-content::-webkit-scrollbar-track {
    background: transparent;
}

.main-content::-webkit-scrollbar-thumb {
    background: var(--color-text-muted);
    border-radius: var(--border-radius-pill);
}

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

.main-content {
    scrollbar-width: thin;
    scrollbar-color: var(--color-text-muted) transparent;
}

/* Spinner de carregamento */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    width: 100%;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(125, 166, 141, 0.2);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s cubic-bezier(0.76, 0, 0.24, 1) infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/*----------------------------------------------
 * ANIMAÇÕES
 *----------------------------------------------*/

@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fade-in var(--transition-base) var(--easing-decelerate) forwards;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/*----------------------------------------------
 * COMPONENTES
 *----------------------------------------------*/

/* Logo contorno */
.logo-contorno {
    background: var(--color-bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base) var(--easing-standard);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.logo-contorno::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
    opacity: 0;
    transition: opacity var(--transition-base) var(--easing-standard);
    z-index: 0;
}

.logo-contorno:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.logo-contorno:hover::before {
    opacity: 0.1;
}

.logo-contorno img {
    filter: brightness(0) invert(1) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    background: transparent;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 1;
}

.logo-contorno span {
    color: transparent;
    -webkit-text-stroke: 1px var(--color-bg-secondary);
    text-stroke: 1px var(--color-bg-secondary);
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

/*----------------------------------------------
 * SEÇÃO DE INTRODUÇÃO
 *----------------------------------------------*/

.intro-section {
    width: 100%;
    max-width: 1000px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
}

.intro-container {
    width: 100%;
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.intro-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.intro-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.intro-title {
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    position: relative;
    display: inline-block;
}

.intro-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--border-radius-pill);
}

.intro-text {
    font-size: var(--font-size-md);
    line-height: 1.7;
    text-align: justify;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.company-context {
    font-size: var(--font-size-base);
    line-height: 1.7;
    text-align: justify;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
    border-left: 3px solid var(--color-primary-light);
}

.intro-footer {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.intro-footer i {
    color: var(--color-primary);
}

/*----------------------------------------------
 * RESPONSIVIDADE
 *----------------------------------------------*/

/* Tablets e dispositivos médios */
@media (max-width: 992px) {
    :root {
        --menu-width: 220px;
    }
    
    .intro-container {
        padding: var(--spacing-lg);
    }
    
    .intro-title {
        font-size: var(--font-size-xl);
    }
    
    .intro-text {
        font-size: var(--font-size-base);
    }
}

/* Dispositivos móveis */
@media (max-width: 768px) {
    :root {
        --menu-width: 260px;
    }
    
    body {
        padding: var(--spacing-sm);
    }
    
    .central-container {
        flex-direction: column;
        height: 95vh;
        width: 100%;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: var(--menu-width);
        transform: translateX(-100%);
        z-index: var(--z-index-modal);
        padding-top: var(--spacing-3xl);
        box-shadow: var(--shadow-xl);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-md);
    }
    
    .intro-section {
        padding: var(--spacing-xs);
    }
    
    .intro-container {
        padding: var(--spacing-md);
    }
    
    .intro-title {
        font-size: var(--font-size-lg);
    }
}

/* Dispositivos muito pequenos */
@media (max-width: 480px) {
    body {
        padding: var(--spacing-xs);
    }
    
    .central-container {
        width: 100%;
        height: 98vh;
        border-radius: var(--border-radius-md);
    }
    
    .intro-section {
        padding: 0;
    }
    
    .intro-container {
        padding: var(--spacing-sm);
    }
    
    .intro-title {
        font-size: var(--font-size-md);
    }
    
    .company-context {
        padding-left: var(--spacing-sm);
    }
}