/* ============================================
   Guilda do Hábito - CSS Principal
   Mobile-First Responsive Design
   ============================================ */

:root {
    /* Cores principais */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary-color: #8b5cf6;
    --secondary-dark: #7c3aed;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    
    /* Cores neutras */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-color: #e5e7eb;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Tipografia */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Bordas */
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Transições */
    --transition-speed: 0.3s;
    --transition-ease: ease-in-out;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-tooltip: 1060;
}

/* Reset e 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);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* Navbar */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.brand-icon {
    font-size: var(--font-size-2xl);
}

.brand-text {
    display: none;
}

@media (min-width: 640px) {
    .brand-text {
        display: inline;
    }
}

.navbar-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

@media (min-width: 768px) {
    .navbar-toggle {
        display: none;
    }
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-speed) var(--transition-ease);
}

.navbar-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

@media (min-width: 768px) {
    .navbar-menu {
        display: flex;
        flex-direction: row;
        align-items: center;
        width: auto;
        margin-top: 0;
        gap: var(--spacing-lg);
    }
}

.navbar-menu.active {
    display: flex;
}

.navbar-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition-speed) var(--transition-ease);
}

.navbar-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.navbar-dropdown {
    position: relative;
}

.navbar-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-speed) var(--transition-ease);
}

.navbar-dropdown-toggle:hover {
    background-color: var(--bg-tertiary);
}

.navbar-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.navbar-username {
    display: none;
    font-weight: 500;
    color: var(--text-primary);
}

@media (min-width: 640px) {
    .navbar-username {
        display: inline;
    }
}

.navbar-level {
    display: none;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--border-radius);
}

@media (min-width: 768px) {
    .navbar-level {
        display: inline;
    }
}

.navbar-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 280px;
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.navbar-dropdown-menu.active {
    display: block;
}

/* Seletor de Idioma */
.navbar-language {
    position: relative;
    margin-right: var(--spacing-sm);
}

.language-select {
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-speed) var(--transition-ease);
}

.language-select:hover {
    border-color: var(--primary-color);
}

.language-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Select2 customizado para idioma */
.select2-container--default .select2-selection--single {
    height: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    line-height: 1.5;
    padding: 0;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 100%;
    right: var(--spacing-xs);
}

.select2-container--default.select2-container--open .select2-selection--single {
    border-color: var(--primary-color);
}

.select2-dropdown {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    background-color: var(--bg-primary);
}

.select2-container--default .select2-results__option {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.select2-container--default .select2-results__option[aria-selected=true] {
    background-color: var(--primary-color);
    color: #fff;
}

.language-flag-select2 {
    margin-right: var(--spacing-xs);
    font-size: 1.125rem;
}

@media (max-width: 767px) {
    .navbar-language {
        margin-right: 0;
    }
    
    .language-select,
    .select2-container {
        width: 100px !important;
    }
}

/* Notificações */
.navbar-notifications {
    position: relative;
}

.navbar-notifications-toggle {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-speed) var(--transition-ease);
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar-notifications-toggle:hover {
    background-color: var(--bg-tertiary);
}

.notifications-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.notifications-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: #f02849;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 1.2;
    transform: translate(25%, -25%);
}

.navbar-notifications-menu {
    display: none;
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 350px;
    max-width: 90vw;
    max-height: 500px;
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.navbar-notifications-menu.active {
    display: flex;
    flex-direction: column;
}

.notifications-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.notifications-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.notifications-clear {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.875rem;
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-speed) var(--transition-ease);
}

.notifications-clear:hover {
    background-color: var(--bg-tertiary);
}

.notifications-list {
    overflow-y: auto;
    max-height: 400px;
}

.notifications-empty {
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-speed) var(--transition-ease);
    text-decoration: none;
    color: inherit;
}

.notification-item:hover {
    background-color: var(--bg-tertiary);
}

.notification-item.unread {
    background-color: rgba(24, 119, 242, 0.05);
}

.notification-item.unread:hover {
    background-color: rgba(24, 119, 242, 0.1);
}

.notification-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-message {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.4;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

@media (max-width: 640px) {
    .navbar-notifications-menu {
        width: 300px;
    }
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-speed) var(--transition-ease);
}

.dropdown-item:hover {
    background-color: var(--bg-tertiary);
}

.dropdown-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* XP Progress Circle */
.xp-progress-container {
    padding: var(--spacing-md);
    text-align: center;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: var(--border-radius);
    margin: var(--spacing-sm);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.xp-progress-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    height: 100%;
}

.xp-progress-loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: xp-progress-spin 0.8s linear infinite;
}

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

.xp-progress-loading-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.xp-progress-content-wrapper {
    width: 100%;
}

.xp-progress-circle-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.xp-progress-circle {
    transform: rotate(-90deg);
}

.xp-progress-bg {
    stroke: var(--border-color);
}

.xp-progress-bar {
    stroke: var(--primary-color);
    transition: stroke-dashoffset 0.6s ease;
}

.xp-progress-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.xp-progress-level {
    font-size: var(--font-size-2xl);
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
}

.xp-progress-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

.xp-progress-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.xp-progress-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

.xp-progress-stat-label {
    color: var(--text-secondary);
}

.xp-progress-stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

.xp-progress-date {
    margin-top: var(--spacing-xs);
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 60px);
    padding: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
    .main-content {
        padding: var(--spacing-xl) 0;
    }
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

@media (min-width: 768px) {
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-speed) var(--transition-ease);
}

a:hover {
    color: var(--primary-dark);
}

/* Utilitários */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

/* Grid Responsivo */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-cols-1 {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid-cols-sm-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .grid-cols-md-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-md-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-cols-lg-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .grid-cols-lg-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Flexbox Utilitários */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }