/* ============================================
   OASIS - Habit Tracker App Styles
   Clean, Modern, Minimalist Design
   ============================================ */

/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    /* Color Palette - Aqua Blue/Green Theme */
    --primary-color: #00BFA5;
    --primary-dark: #00897B;
    --primary-light: #5EEAD4;
    --secondary-color: #26C6DA;
    --accent-color: #64FFDA;

    /* Neutral Colors */
    --bg-primary: #F8FFFE;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E0F7F4;
    --text-primary: #1A202C;
    --text-secondary: #64748B;
    --text-light: #94A3B8;

    /* Functional Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --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);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Layout */
    --sidebar-width: 280px;
    --header-height: 80px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Loading Overlay
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity var(--transition-base);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-tertiary);
    border-top: 4px solid var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

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

/* ============================================
   Main Container & Layout
   ============================================ */
.container {
    display: flex;
    min-height: 100vh;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.container.visible {
    opacity: 1;
}

/* ============================================
   Sidebar Navigation
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    position: fixed;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height para mobile */
    left: 0;
    top: 0;
    transition: transform var(--transition-base);
    z-index: 1000;
    overflow: hidden;
    box-sizing: border-box;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    flex-shrink: 0;
}

.close-sidebar {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    line-height: 1;
}

.close-sidebar:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    padding: 0;
    margin: 0;
}

.nav-menu::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-item i {
    font-size: 1.5rem;
}

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

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

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: transparent;
    color: var(--danger);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    margin-top: var(--spacing-md);
    flex-shrink: 0;
}

.logout-btn i {
    font-size: 1.5rem;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ============================================
   Main Content Area
   ============================================ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-base);
}

.header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 100;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.75rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.menu-toggle:hover {
    background: var(--bg-tertiary);
}

.header-info h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.header-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info span {
    font-weight: 500;
    color: var(--text-primary);
}

.avatar {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

/* ============================================
   Content Wrapper & Pages
   ============================================ */
.content-wrapper {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
}

.page-content {
    display: none;
    animation: fadeIn var(--transition-base);
}

.page-content.active {
    display: block;
}

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

/* ============================================
   Habits Page
   ============================================ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-md);
}

.search-bar {
    position: relative;
    flex: 1;
    max-width: 400px;
}

/* Garante que o botão "Novo Hábito" fique à direita */
.page-header .btn-primary {
    flex-shrink: 0;
    white-space: nowrap;
}

.search-bar i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.25rem;
}

.search-bar input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 2.75rem;
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    background: var(--bg-secondary);
    transition: all var(--transition-fast);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.1);
}

.habits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.habit-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.habit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
}

.habit-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.habit-card:hover::before {
    transform: scaleY(1);
}

.habit-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.habit-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.habit-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.habit-repeat-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.habit-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.icon-btn {
    background: transparent;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
    color: var(--text-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 1.25rem;
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.icon-btn.delete:hover {
    color: var(--danger);
}

.habit-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.habit-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.habit-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.status-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.status-checkbox.completed {
    background: var(--primary-color);
    color: white;
}

.status-checkbox i {
    font-size: 1rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.status-checkbox.completed i {
    opacity: 1;
}

.habit-next {
    font-size: 0.8125rem;
    color: var(--text-light);
}

.habit-next.due-soon {
    color: var(--warning);
    font-weight: 500;
}

/* ============================================
   Journal Page
   ============================================ */
.journal-container {
    max-width: 800px;
    margin: 0 auto;
}

.journal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.journal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.journal-date {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.journal-entry {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
    margin-bottom: var(--spacing-xl);
}

.journal-entry textarea {
    width: 100%;
    min-height: 200px;
    border: none;
    resize: vertical;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.6;
    background: transparent;
}

.journal-entry textarea:focus {
    outline: none;
}

.journal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.journal-history {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.journal-history-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
}

.journal-history-item .date {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.journal-history-item .content {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Statistics Page
   ============================================ */
.stats-container {
    max-width: 1000px;
    width: 100%;
}

.stats-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all var(--transition-fast);
    min-width: 0;
    overflow: hidden;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.stat-info {
    min-width: 0;
    flex: 1;
}

.stat-info h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.chart-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
    overflow: hidden;
    width: 100%;
}

.chart-container h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Profile Page
   ============================================ */
.profile-container {
    max-width: 600px;
    margin: 0 auto;
}

.profile-header {
    text-align: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
    margin-bottom: var(--spacing-xl);
}

.profile-avatar-container {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
}

.profile-avatar-large {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 2rem;
}

.upload-photo-btn {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 3px solid var(--bg-secondary);
}

.upload-photo-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.upload-photo-btn i {
    font-size: 1.25rem;
}

.profile-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.profile-header p {
    color: var(--text-secondary);
}

.profile-form {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--bg-tertiary);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    font-family: inherit;
}

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

.btn-primary i {
    font-size: 1.25rem;
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #C7E9E4;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #DC2626;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.1);
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-light);
    font-size: 0.8125rem;
}

/* ============================================
   Modals
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

/* When closing, keep the modal centered but animate opacity to 0.
   We use the .closing class together with .active to transition smoothly
   without losing the centering (some browsers revert justify/align when
   .active is removed too early). */
.modal.active.closing {
    opacity: 0;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn var(--transition-base);
}

.modal-small {
    max-width: 400px;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--bg-tertiary);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.75rem;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal form {
    padding: var(--spacing-xl);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    padding-top: 0;
}

/* ============================================
   Journal Entry Actions
   ============================================ */
.journal-history-item {
    position: relative;
}

.journal-entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.journal-entry-actions {
    display: flex;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.journal-history-item:hover .journal-entry-actions {
    opacity: 1;
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablets */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }

    .habits-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

/* Mobile Landscape & Small Tablets */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        padding: 16px;
        height: 100vh;
        height: 100dvh;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-header {
        margin-bottom: 16px;
        flex-shrink: 0;
        min-height: 40px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .logo i {
        font-size: 1.75rem;
    }

    .nav-menu {
        gap: 2px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        flex: 1 1 auto;
        min-height: 0;
    }

    .nav-item {
        padding: 12px 16px;
        flex-shrink: 0;
        font-size: 0.9375rem;
    }

    .nav-item i {
        font-size: 1.375rem;
    }

    .logout-btn {
        margin-top: 12px;
        padding: 12px 16px;
        flex-shrink: 0;
        font-size: 0.9375rem;
    }

    .logout-btn i {
        font-size: 1.375rem;
    }

    .close-sidebar {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .header {
        padding: 0 var(--spacing-lg);
    }

    .content-wrapper {
        padding: var(--spacing-lg);
    }

    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .search-bar {
        max-width: 100%;
    }

    /* Botão "Novo Hábito" ocupa largura completa em mobile */
    .page-header .btn-primary {
        width: 100%;
        justify-content: center;
        margin-left: 0;
    }

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

    .stats-summary {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stats-container {
        max-width: 100%;
        overflow: hidden;
    }

    .stat-card {
        padding: var(--spacing-lg);
    }

    .stat-card i {
        font-size: 2rem;
        flex-shrink: 0;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .chart-container {
        padding: var(--spacing-lg);
    }

    .user-info span {
        display: none;
    }

    /* Ajustes dos botões da modal para tablets e telas médias */
    .modal-actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .modal-actions .btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.9375rem;
        min-height: 44px;
    }

    .modal-actions .btn i {
        font-size: 1.125rem;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    :root {
        --sidebar-width: 100%;
    }

    .sidebar {
        padding: 12px;
        height: 100vh;
        height: 100dvh;
    }

    .sidebar-header {
        margin-bottom: 12px;
        min-height: 36px;
    }

    .logo h1 {
        font-size: 1.375rem;
    }

    .logo i {
        font-size: 1.625rem;
    }

    .nav-menu {
        gap: 1px;
        flex: 1 1 auto;
        min-height: 0;
    }

    .nav-item {
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    .nav-item i {
        font-size: 1.25rem;
    }

    .logout-btn {
        padding: 10px 12px;
        font-size: 0.9rem;
        margin-top: 8px;
    }

    .logout-btn i {
        font-size: 1.25rem;
    }

    .header-info h2 {
        font-size: 1.25rem;
    }

    .header-info p {
        display: none;
    }

    .modal-content {
        width: 95%;
        border-radius: var(--radius-lg);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    .habit-card {
        padding: var(--spacing-md);
    }

    .stat-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }

    .stat-card i {
        font-size: 2.5rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .chart-container {
        padding: var(--spacing-md);
    }

    .chart-container h3 {
        font-size: 1rem;
    }

    /* Ajustes dos botões da modal para telas pequenas */
    .modal-actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .modal-actions .btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-lg);
        font-size: 1rem;
        font-weight: 600;
        min-height: 48px;
    }

    .modal-actions .btn i {
        font-size: 1.25rem;
    }
}

/* Extra Small Devices (Android/iOS antigos) */
@media (max-width: 420px) {
    :root {
        --spacing-xs: 0.2rem;
        --spacing-sm: 0.4rem;
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
        --spacing-2xl: 2rem;
    }

    .sidebar {
        width: 100%;
        padding: var(--spacing-lg);
    }

    .sidebar-header {
        margin-bottom: var(--spacing-lg);
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .logo i {
        font-size: 1.75rem;
    }

    .nav-item {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .nav-item i {
        font-size: 1.25rem;
    }

    .header {
        height: 70px;
        padding: 0 var(--spacing-md);
    }

    .header-info h2 {
        font-size: 1.125rem;
    }

    .avatar {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }

    .content-wrapper {
        padding: var(--spacing-md);
    }

    .page-header {
        margin-bottom: var(--spacing-lg);
        gap: var(--spacing-sm);
    }

    .search-bar input {
        padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 2.5rem;
        font-size: 0.875rem;
    }

    .search-bar i {
        font-size: 1.125rem;
    }

    .btn-primary {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    .btn-primary i {
        font-size: 1.125rem;
    }

    .habits-grid {
        gap: var(--spacing-md);
    }

    .habit-card {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .habit-title {
        font-size: 1rem;
    }

    .habit-category {
        font-size: 0.7rem;
        padding: 2px var(--spacing-sm);
    }

    .habit-repeat-badge {
        font-size: 0.65rem;
        padding: 2px var(--spacing-sm);
    }

    .habit-description {
        font-size: 0.875rem;
    }

    .icon-btn {
        font-size: 1.125rem;
        padding: 2px;
    }

    .habit-next {
        font-size: 0.75rem;
    }

    .status-checkbox {
        width: 22px;
        height: 22px;
    }

    /* Journal */
    .journal-container {
        padding: 0;
    }

    .journal-header h3 {
        font-size: 1.25rem;
    }

    .journal-date {
        font-size: 0.875rem;
    }

    .journal-entry {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .journal-entry textarea {
        font-size: 0.9375rem;
        min-height: 150px;
    }

    .journal-actions {
        gap: var(--spacing-sm);
    }

    .journal-actions .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    .journal-history-item {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .journal-history-item .date {
        font-size: 0.8125rem;
    }

    .journal-history-item .content {
        font-size: 0.9375rem;
    }

    /* Stats */
    .stats-summary {
        gap: var(--spacing-sm);
    }

    .stat-card {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .stat-card i {
        font-size: 2rem;
    }

    .stat-info h4 {
        font-size: 0.8125rem;
    }

    .stat-value {
        font-size: 1.25rem;
    }

    .chart-container {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .chart-container h3 {
        font-size: 0.9375rem;
        margin-bottom: var(--spacing-sm);
    }

    /* Profile */
    .profile-header {
        padding: var(--spacing-lg);
        border-radius: var(--radius-md);
    }

    .profile-avatar-large {
        width: 70px;
        height: 70px;
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }

    .profile-header h3 {
        font-size: 1.125rem;
    }

    .profile-header p {
        font-size: 0.875rem;
    }

    .profile-form {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

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

    .form-group label {
        font-size: 0.875rem;
        margin-bottom: 4px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    /* Modals */
    .modal-content {
        width: 98%;
        max-height: 95vh;
        border-radius: var(--radius-md);
    }

    .modal-header {
        padding: var(--spacing-md);
    }

    .modal-header h3 {
        font-size: 1.125rem;
    }

    .modal-close {
        font-size: 1.5rem;
    }

    .modal form {
        padding: var(--spacing-md);
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .modal-actions {
        padding: var(--spacing-md);
        padding-top: 0;
        gap: var(--spacing-sm);
    }

    .modal-actions .btn {
        padding: var(--spacing-md);
        font-size: 0.9375rem;
        min-height: 44px;
    }

    .modal-actions .btn i {
        font-size: 1.125rem;
    }

    /* Empty States */
    .empty-state {
        padding: var(--spacing-xl);
    }

    .empty-state i {
        font-size: 3rem;
    }

    .empty-state h3 {
        font-size: 1.125rem;
    }

    .empty-state p {
        font-size: 0.875rem;
    }

    /* Logout button */
    .logout-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .logout-btn i {
        font-size: 1.25rem;
    }

    /* Profile Avatar */
    .profile-avatar-container {
        width: 80px;
        height: 80px;
    }

    .profile-avatar-large {
        font-size: 1.5rem;
    }

    .upload-photo-btn {
        width: 30px;
        height: 30px;
        border-width: 2px;
    }

    .upload-photo-btn i {
        font-size: 1rem;
    }

    .profile-header h3 {
        font-size: 1.25rem;
    }

    .profile-header p {
        font-size: 0.875rem;
    }
}

/* Extra Small Devices (< 400px) */
@media (max-width: 400px) {
    /* Avatar do Header */
    .avatar {
        width: 35px;
        height: 35px;
        font-size: 0.875rem;
    }

    .user-info span {
        font-size: 0.875rem;
    }

    /* Profile Avatar */
    .profile-avatar-container {
        width: 70px;
        height: 70px;
    }

    .profile-avatar-large {
        font-size: 1.25rem;
    }

    .upload-photo-btn {
        width: 28px;
        height: 28px;
        border-width: 2px;
    }

    .upload-photo-btn i {
        font-size: 0.875rem;
    }

    .profile-header {
        padding: var(--spacing-lg);
    }

    .profile-header h3 {
        font-size: 1.125rem;
    }

    .profile-header p {
        font-size: 0.8125rem;
    }

    /* Form Groups */
    .form-group label {
        font-size: 0.875rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }

    /* Page Header */
    .page-header h2 {
        font-size: 1.25rem;
    }

    /* Header */
    .header-info h2 {
        font-size: 1.25rem;
    }

    .header-info p {
        font-size: 0.8125rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .header,
    .btn,
    .modal {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
    }
}

/* ============================================
   Toast Notifications
   ============================================ */
.profile-alert-toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-50px);
    padding: 16px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 10000;
    min-width: 300px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.profile-alert-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    animation: toastBounce 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.profile-alert-toast-error {
    background: #FEE;
    color: #C53030;
    border: 2px solid #FEB2B2;
}

.profile-alert-toast-success {
    background: #E6FFFA;
    color: #00796B;
    border: 2px solid #81E6D9;
}

.profile-alert-toast i {
    font-size: 20px;
}

@keyframes toastBounce {
    0% {
        transform: translateX(-50%) translateY(-50px);
        opacity: 0;
    }
    60% {
        transform: translateX(-50%) translateY(5px);
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(0);
    }
}