:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --white: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 20px;
}

.form-container {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.brand-name {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.back-link {
    text-decoration: none;
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 1.5rem;
}

h2 {
    color: var(--text-dark);
    margin: 0 0 0.5rem 0;
}

p.subtitle {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.form-group {
    text-align: left;
    margin-bottom: 1.2rem;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.4rem;
}

input[type="text"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    box-sizing: border-box;
    font-size: 0.9rem;
    transition: all 0.2s ease-in-out;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

button[type="submit"] {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    padding: 0.9rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 1rem;
}

button[type="submit"]:hover {
    background-color: var(--primary-hover);
}

/* For Validation Feedback */
.error-border {
    border-color: #ef4444 !important;
}