:root {
    /* Light Theme (Cafe Vibes) */
    --bg-color: #fdfbf7; /* Warm cream */
    --text-color: #4a4a4a; /* Soft charcoal */
    --sidebar-bg: rgba(245, 241, 235, 0.7);
    --panel-bg: rgba(255, 255, 255, 0.6);
    --border-color: #e6e2dd;
    --primary-color: #8c7b75; /* Muted mocha */
    --primary-hover: #6d5f5a;
    --accent-color: #d4c5b0; /* Latte foam */
    --danger-color: #d98c8c;
    --success-color: #8cd9a6;
    
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    --glass-border: 1px solid rgba(255, 255, 255, 0.18);
    --backdrop-filter: blur(12px);
    
    --font-main: 'Inter', sans-serif;
    --font-serif: 'Lora', serif;
    
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    /* Dark Theme (Notion Night) */
    --bg-color: #191919;
    --text-color: #d3d3d3;
    --sidebar-bg: rgba(32, 32, 32, 0.7);
    --panel-bg: rgba(45, 45, 45, 0.6);
    --border-color: #333333;
    --primary-color: #a8a8a8;
    --primary-hover: #ffffff;
    --accent-color: #3f3f3f;
    --danger-color: #cf6679;
    --success-color: #81c784;
    
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --glass-border: 1px solid rgba(255, 255, 255, 0.05);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
}

/* Utilities */
.hidden { display: none !important; }
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: var(--backdrop-filter);
    -webkit-backdrop-filter: var(--backdrop-filter);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
}

.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-family: var(--font-main);
    font-weight: 500;
    transition: all 0.2s ease;
}

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

.btn-text {
    background: transparent;
    color: var(--text-color);
}
.btn-text:hover { background: rgba(0,0,0,0.05); }

.icon-btn, .icon-btn-small {
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.icon-btn:hover, .icon-btn-small:hover { opacity: 1; }

/* Layout */
#app {
    height: 100vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
}

.view {
    width: 100%;
    height: 100%;
    display: flex;
}

/* Auth View */
#auth-view {
    justify-content: center;
    align-items: center;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    text-align: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.tagline {
    font-style: italic;
    opacity: 0.8;
    margin-bottom: 2rem;
}

.auth-tabs {
    display: flex;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.auth-tabs button {
    flex: 1;
    background: none;
    border: none;
    padding: 0.8rem;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.5;
    font-weight: 600;
}

.auth-tabs button.active {
    opacity: 1;
    border-bottom: 2px solid var(--primary-color);
}

.form-group {
    margin-bottom: 1.2rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.3);
    color: var(--text-color);
    font-family: var(--font-main);
}
[data-theme="dark"] .form-group input, [data-theme="dark"] .form-group textarea {
    background: rgba(0, 0, 0, 0.2);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Dashboard View */
#dashboard-view {
    flex-direction: row;
}

.sidebar {
    width: 280px;
    height: 100%;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    background: var(--sidebar-bg);
    border-radius: 0; /* Reset radius for full height sidebar */
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.logo-small {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(0,0,0,0.03);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.9rem;
}

#user-name {
    flex: 1;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.6;
}

.nav-list {
    list-style: none;
}

.nav-item {
    padding: 0.6rem 0.8rem;
    margin-bottom: 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-item:hover {
    background: rgba(0,0,0,0.05);
}

.nav-item.active {
    background: var(--accent-color);
    color: var(--text-color);
    font-weight: 500;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    overflow: hidden;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.workspace-info h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    display: inline-block;
    margin-right: 1rem;
}

.task-list-container {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 2rem;
}

.task-card {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.task-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
    flex-shrink: 0;
}

.task-checkbox.checked {
    background: var(--primary-color);
}

.task-checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 12px;
}

.task-content {
    flex: 1;
}

.task-title {
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.task-desc {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.task-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    opacity: 0.6;
}

.task-tag {
    background: var(--accent-color);
    padding: 2px 8px;
    border-radius: 4px;
}

.task-actions {
    opacity: 0;
    transition: opacity 0.2s;
}

.task-card:hover .task-actions {
    opacity: 1;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal {
    width: 90%;
    max-width: 500px;
    padding: 2rem;
    z-index: 101;
}

.modal h2 {
    font-family: var(--font-serif);
    margin-bottom: 1.5rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}
.form-row .form-group {
    flex: 1;
}

/* Responsive */
@media (max-width: 768px) {
    #dashboard-view {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
    }
    
    .sidebar-header {
        margin-bottom: 1rem;
    }
    
    .user-profile, .workspaces-section {
        display: none; /* Simplified mobile view for now */
    }
    
    .main-content {
        padding: 1rem;
    }
}