:root {
    --primary-color: #4A90E2;
    --background-color: #f4f6f8;
    --card-bg: #ffffff;
    --text-color: #333;
    --border-color: #ddd;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

header {
    width: 100%;
    background: var(--card-bg);
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1, h2, h3 {
    margin: 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin-top: 2rem;
    display: flex;
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* Auth Screens */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80vh;
    width: 100%;
}

.login-box {
    text-align: center;
    width: 100%;
    max-width: 400px;
}

input[type="text"], input[type="password"], input[type="number"], select {
    width: 100%;
    padding: 0.8rem;
    margin: 0.5rem 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #357ABD;
}

/* Admin Layout */
.admin-layout {
    display: flex;
    width: 100%;
    gap: 20px;
}

.sidebar {
    width: 300px;
    flex-shrink: 0;
}

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.canvas-container-wrapper {
    border: 2px dashed var(--border-color);
    padding: 20px;
    background: #fafafa;
    margin-top: 20px;
    overflow: auto;
}

.properties-panel {
    margin-top: 20px;
}

.field-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.field-list-item:hover {
    background-color: #f9f9f9;
}

.field-list-item.active {
    background-color: #e3f2fd;
}

.delete-btn {
    background: #ff5252;
    padding: 5px 10px;
    font-size: 0.8rem;
}

/* User Layout */
.user-form {
    width: 100%;
    max-width: 500px;
    margin-bottom: 2rem;
}