:root {
    --primary: #ffffff; /* Changed from #1a1a1a to white */
    --secondary: #f8f8f8;
    --accent-mint: #a2f2d5;
    --accent-cyan: #7ae7f2;
    --text-light: #f8f8f8;
    --text-dark: #1a1a1a;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--primary);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles - Now with white background */
.app-header {
    background-color: var(--primary); /* Now white */
    color: var(--text-dark); /* Changed to dark text for contrast */
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1); /* Added subtle shadow for depth */
}

.app-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-dark); /* Changed to dark for contrast */
    font-weight: bold;
    font-size: 1.5rem;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

/* Navigation */
nav a {
    color: var(--text-dark); /* Changed to dark for contrast */
    text-decoration: none;
    margin-left: 20px;
    transition: var(--transition);
}

nav a:hover {
    color: var(--accent-mint);
}

/* Task Bars */
.task-bar {
    position: fixed;
    background: #1a1a1a; /* Kept dark for task bars */
    z-index: 90;
}

/* Mobile Bottom Task Bar */
.bottom-task-bar {
    bottom: 0;
    left: 0;
    right: 0;
    display: none;
    justify-content: space-around;
    padding: 12px 0;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
}

.task-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 5px 10px;
    transition: var(--transition);
}

.task-item.active {
    color: var(--accent-mint);
}

/* Side Task Bar */
.side-task-bar {
    top: 0;
    bottom: 0;
    left: -250px;
    width: 250px;
    padding: 80px 20px 20px;
    transition: var(--transition);
    overflow-y: auto;
}

.side-task-bar.open {
    left: 0;
}

.side-task-item {
    display: flex;
    align-items: center;
    padding: 15px 10px;
    color: var(--text-light);
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.side-task-item:hover, 
.side-task-item.active {
    color: var(--accent-mint);
    background: rgba(255,255,255,0.05);
}

/* Icons */
.task-icon {
    width: 24px;
    height: 24px;
    transition: var(--transition);
    flex-shrink: 0;
}

.task-icon.mint {
    fill: var(--accent-mint);
}

.task-item.active .task-icon,
.side-task-item.active .task-icon {
    fill: var(--accent-mint);
}

.task-item:hover .task-icon,
.side-task-item:hover .task-icon {
    fill: var(--accent-mint);
}

/* Menu Toggle */
.menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 100;
    display: none;
}

.menu-toggle .task-icon {
    width: 28px;
    height: 28px;
    fill: var(--text-dark); /* Changed to dark for contrast with white header */
}

/* Dashboard Content */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--accent-mint);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-card h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Form Styles */
.auth-form {
    max-width: 500px;
    margin: 50px auto;
    padding: 30px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #1a1a1a; /* Kept dark for buttons */
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.btn:hover {
    background: #333;
}

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

.mt-3 {
    margin-top: 15px;
}

.alert {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .bottom-task-bar {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .side-task-bar {
        display: none;
    }
    
    .side-task-bar.open {
        display: block;
    }
    
    main.container {
        padding-bottom: 80px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.app-footer {
    background-color: #1a1a1a; /* Kept dark for footer */
    color: var(--text-light);
    padding: 20px 0;
    text-align: center;
    margin-top: 40px;
}

.app-footer .container {
    padding: 0 20px;
}