:root {
    --primary-color: #10B981;
    --secondary-color: #064E3B;
    --accent-color: #34D399;
    --bg-color: #F9FAFB;
    --text-color: #1F2937;
    --white: #FFFFFF;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);

    /* Spacing System */
    --spacing-xs: 0.5rem;
    /* 8px */
    --spacing-sm: 1rem;
    /* 16px */
    --spacing-md: 2rem;
    /* 32px */
    --spacing-lg: 4rem;
    /* 64px */
    --spacing-xl: 6rem;
    /* 96px */
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

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

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    /* Ensure container takes full width up to max-width */
    box-sizing: border-box;
    /* Include padding in width */
}

/* Auth Container for Login/Signup */
.auth-container {
    max-width: 480px;
    /* Slightly wider for better balance */
    margin: var(--spacing-lg) auto;
    width: 100%;
    padding: 0 var(--spacing-md);
    /* Side padding to prevent edge touching */
}

/* Mobile Container Padding */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .auth-container {
        padding: 0 var(--spacing-sm);
        margin: var(--spacing-md) auto;
    }
}

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

@media (max-width: 768px) {
    section {
        padding: var(--spacing-md) 0;
    }
}

/* Navbar */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    transition: background-color 0.3s;
    cursor: pointer;
    border: none;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #ECFDF5 0%, #ffffff 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-lg) 0;
    }
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero p {
    font-size: 1.25rem;
    color: #4B5563;
    margin-bottom: var(--spacing-md);
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.card {
    background: var(--white);
    border-radius: 0.5rem;
    padding: 2rem;
    /* Increased padding inside card */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #D1D5DB;
    border-radius: 0.375rem;
    font-size: 1rem;
    box-sizing: border-box;
    /* Fix for padding issue */
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

/* Dashboard */
.dashboard-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    /* min-height logic handled by body flex */
    flex: 1;
    /* Allow dashboard to grow */
}

.sidebar {
    background: var(--white);
    border-right: 1px solid #E5E7EB;
    padding: 1.5rem;
}

.sidebar-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
}

.sidebar-link:hover,
.sidebar-link.active {
    background-color: #ECFDF5;
    color: var(--secondary-color);
}

.main-content {
    padding: 2rem;
}

/* Footer */
footer {
    background-color: var(--white);
    border-top: 1px solid #E5E7EB;
    padding: 0.5rem 0;
    margin-top: auto;
    /* Sticky footer magic */
    text-align: center;
    color: #6B7280;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
        border-right: none;
        border-bottom: 1px solid #E5E7EB;
    }

    .hero h1 {
        font-size: 2rem;
    }

    /* Navbar Mobile */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        border-top: 1px solid #E5E7EB;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        margin: 0.5rem 0;
        margin-left: 0;
    }

    .hamburger-menu {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        cursor: pointer;
    }

    .hamburger-menu span {
        display: block;
        height: 3px;
        width: 100%;
        background-color: var(--primary-color);
        border-radius: 3px;
        transition: 0.3s;
    }
}

/* Hide hamburger on desktop */
@media (min-width: 769px) {
    .hamburger-menu {
        display: none;
    }
}

/* Active Link State */
.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}