:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --bg-color: #F3F4F6;
    --surface-color: rgba(255, 255, 255, 0.85);
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: linear-gradient(135deg, #A7F3D0 0%, #FBCFE8 100%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05), 0 20px 48px rgba(0,0,0,0.05), 0 1px 4px rgba(255,255,255,0.5) inset;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

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

.header h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.header p {
    color: var(--text-muted);
    font-size: 14px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
}

.btn-submit:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(79, 70, 229, 0.3);
}

.alert {
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #34D399;
}

.alert-error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #F87171;
}