/* 
   Forest Nature Minimal Theme
   Primary: #2d6a4f (Forest Green)
   Accent: #40916c (Sage)
   Background: #f8f9fa (Ivory)
   Text: #1b4332 (Dark Green)
*/

:root {
    --primary: #2d6a4f;
    --primary-light: #40916c;
    --bg-color: #f8f9fa;
    --text-color: #1b4332;
    --card-bg: #ffffff;
    --border-color: #d8e3dc;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: var(--primary);
    padding: 1rem 2rem;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-brand img {
    height: 40px;
    width: auto;
}

.header-brand h1 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

nav a:hover {
    color: white;
}

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

.card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 24px;
    color: var(--primary);
    text-align: center;
    font-weight: 700;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
}

input[type="text"], 
input[type="password"], 
input[type="number"],
select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #ffffff;
    font-size: 1rem;
    transition: all 0.2s;
}

input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    text-align: center;
    width: 100%;
}

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

.secondary-btn {
    background-color: transparent;
    color: var(--primary-light);
    border: 1px solid var(--primary-light);
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

th {
    background-color: #f1f5f3;
    color: var(--primary);
    text-align: left;
    padding: 12px 16px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
    border-bottom: none;
}