/* public/styles.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f8f9fa; color: #1a1a2e; }
.container { max-width: 600px; margin: 0 auto; padding: 1.5rem; }
.btn { display: inline-block; padding: .75rem 1.5rem; border-radius: 8px; border: none; cursor: pointer; font-size: 1rem; font-weight: 600; text-decoration: none; }
.btn-primary { background: #1a1a2e; color: #fff; }
.btn-primary:hover { background: #2d2d4e; }
.btn-success { background: #25D366; color: #fff; }
.card { background: #fff; border-radius: 12px; padding: 1.5rem; box-shadow: 0 2px 8px rgba(0,0,0,.08); margin-bottom: 1rem; }
input, textarea, select { width: 100%; padding: .6rem .8rem; border: 1.5px solid #ddd; border-radius: 6px; font-size: 1rem; margin-top: .25rem; }
input:focus, textarea:focus { border-color: #1a1a2e; outline: none; }
label { font-size: .9rem; font-weight: 500; color: #555; }
.form-group { margin-bottom: 1.2rem; }
.error { color: #c0392b; font-size: .85rem; margin-top: .25rem; }