:root {
    --primary: #059669;
    --primary-hover: #047857;
    --primary-light: #d1fae5;
    --secondary: #0284c7;
    --accent: #f59e0b;
    --bg-main: #f0fdf4;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --border-color: #cbd5e1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    background: #ffffff;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

.logo-container h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.navbar nav {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.navbar nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar nav a:hover, .navbar nav a.active {
    color: var(--primary);
}

.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
    width: 100%;
    flex: 1;
}

.card-welcome {
    background: linear-gradient(135deg, #065f46 0%, #047857 100%);
    color: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 25px -5px rgba(5, 150, 105, 0.3);
    margin-bottom: 30px;
    text-align: left;
}

.card-welcome h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: #ffffff;
}

.card-welcome p {
    color: #ecfdf5;
    font-size: 1.05rem;
    line-height: 1.6;
}

.card {
    background: var(--card-bg);
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04);
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.btn-primary, .btn-success {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 20px;
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

.btn-success {
    background: var(--primary);
    color: #ffffff;
}

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