:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --success-color: #22c55e;
    --success-hover: #16a34a;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

.app-container {
    width: 100%;
    max-width: 1200px;
    padding: 40px 20px;
}

header {
    margin-bottom: 30px;
    text-align: center;
}

header h1 {
    font-size: 28px;
    font-weight: 700;
    color: #0f172a;
}

.status {
    font-size: 14px;
    margin-top: 5px;
    font-weight: 500;
}
.status.loading { color: #f59e0b; }
.status.ready { color: var(--success-color); }
.status.error { color: #ef4444; }

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .main-content { grid-template-columns: 1fr; }
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #334155;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group-row {
    display: flex;
    gap: 16px;
}

.form-group-row .form-group {
    flex: 1;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: #64748b;
}

input[type="text"], select, textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    color: var(--text-color);
    outline: none;
    transition: border 0.2s;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary-color);
}

.textarea-group {
    flex: 1;
    display: flex;
}

textarea {
    min-height: 200px;
    resize: none;
    background-color: #f8fafc;
}

.action-buttons {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
    text-align: center;
}

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

.btn-secondary { background-color: #e2e8f0; color: #334155; }
.btn-secondary:hover { background-color: #cbd5e1; }

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

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    display: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}