:root {
    /* Light theme variables */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --accent-color: #4361ee;
    --danger-color: #e63946;
    --success-color: #2a9d8f;
    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] {
    /* Dark theme variables */
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --accent-color: #4cc9f0;
    --danger-color: #e63946;
    --success-color: #2a9d8f;
    --border-color: #343a40;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(30, 30, 30, 0.7);
    --glass-border: rgba(50, 50, 50, 0.5);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

.hidden {
    display: none !important;
}

.app-container {
    width: 100%;
    min-height: 100vh;
}

/* Onboarding Screen */
.onboarding-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-primary);
}

.onboarding-screen.hidden {
    display: none;
}

.onboarding-content {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 40px;
    max-width: 600px;
    text-align: center;
    box-shadow: 0 8px 32px var(--shadow-color);
    animation: fadeIn 0.8s ease-out;
}

.onboarding-content h1 {
    margin-bottom: 16px;
    font-size: 2.5rem;
}

.onboarding-content p {
    margin-bottom: 32px;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.features {
    display: flex;
    justify-content: space-around;
    margin-bottom: 32px;
}

.feature {
    padding: 16px;
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature .emoji {
    font-size: 3rem;
    display: block;
    margin-bottom: 8px;
}

/* Main App Layout */
.main-app {
    position: relative;
    display: flex;
    height: 100vh;
    width: 100%;
}

.main-app.hidden {
    display: none;
}

.sidebar {
    width: 250px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.logo {
    margin-bottom: 32px;
    text-align: center;
}

.logo h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

nav {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-btn {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    font-size: 1rem;
}

.nav-btn .icon {
    margin-right: 12px;
    font-size: 1.2rem;
}

.nav-btn:hover {
    background-color: rgba(var(--accent-color-rgb), 0.1);
    color: var(--accent-color);
}

.nav-btn.active {
    background-color: var(--accent-color);
    color: white;
}

.theme-toggle {
    margin-top: auto;
    padding-top: 20px;
}

.theme-toggle button {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.theme-toggle button:hover {
    background-color: var(--bg-primary);
}

.theme-toggle .icon {
    margin-right: 8px;
}

.main-content {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.view-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
}

.actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

.search-container {
    position: relative;
}

.search-container input {
    padding: 10px 16px 10px 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    width: 250px;
    font-size: 0.9rem;
}

.search-container .icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

/* Empty States */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    opacity: 0.7;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-secondary);
    max-width: 300px;
}

/* Settings */
.settings-container {
    max-width: 800px;
}

.setting-group {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.setting-group h3 {
    margin-bottom: 8px;
}

.setting-group p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.setting-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

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

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

/* Make sure modals appear above everything */
.modal {
    z-index: 200;
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    position: relative;
    background-color: var(--bg-secondary);
    border: none;
    border-radius: 4px;
    padding: 8px 10px;
    margin-right: 10px;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.sidebar-toggle:hover {
    background-color: var(--accent-color);
    color: white;
}

.sidebar-toggle .icon {
    font-size: 14px;
    display: inline-block;
    transition: transform 0.3s ease;
}

/* Class for when sidebar is collapsed */
.sidebar-collapsed .sidebar {
    transform: translateX(-250px);
}

.sidebar-collapsed .sidebar-toggle .icon {
    transform: rotate(180deg);
}

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

/* Ensure sidebar and main content have smooth transitions */
.sidebar, .main-content {
    transition: all 0.3s ease;
}