/* --- Core Styles --- */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { min-height: 100vh; background: #ffffff; display: flex; justify-content: center; align-items: center; }
body::before { content: ""; position: fixed; inset: 0; background-image: linear-gradient(rgba(0, 0, 0, 0.025) 1px, transparent 7px), linear-gradient(90deg, rgba(0, 0, 0, 0.025) 1px, transparent 7px); background-size: 90px 90px; pointer-events: none; z-index: 0; }

.page-wrapper { position: relative; z-index: 1; width: 100%; display: flex; justify-content: center; padding: 20px; }
.card { background: #f2f2f2; width: 100%; max-width: 420px; border-radius: 28px; padding: 36px 28px; position: relative; }
.logo { display: flex; justify-content: center; margin-bottom: 24px; }
.logo img { height: 32px; width: auto; }
h1 { text-align: center; font-size: 22px; font-weight: 600; margin-bottom: 6px; color: #111827; }
.subtitle { text-align: center; font-size: 13px; color: #6b7280; margin-bottom: 28px; }

/* --- FORM STYLES --- */
.signup-form { display: flex; flex-direction: column; gap: 20px; }
.input-group { display: flex; flex-direction: column; gap: 8px; }
.input-group label { font-size: 13px; font-weight: 500; color: #374151; }
.input-wrapper { position: relative; display: flex; align-items: center; }
.input-icon { position: absolute; left: 14px; color: #9ca3af; font-size: 14px; pointer-events: none; }
.input-wrapper input { width: 100%; padding: 12px 12px 12px 40px; padding-right: 40px; border-radius: 12px; border: 1px solid #e5e7eb; background: #ffffff; font-size: 14px; color: #111827; outline: none; transition: all 0.2s ease; }
.input-wrapper input:focus { border-color: #2563eb; box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1); }
.input-wrapper input::placeholder { color: #9ca3af; }
.toggle-password { position: absolute; right: 14px; color: #9ca3af; cursor: pointer; font-size: 14px; transition: color 0.2s; }
.toggle-password:hover { color: #374151; }
.submit-btn { margin-top: 10px; width: 100%; background-color: #2563eb; color: white; border: none; padding: 14px; border-radius: 12px; font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.2s ease; box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2); }
.submit-btn:hover { background-color: #1d4ed8; transform: translateY(-1px); box-shadow: 0 6px 10px rgba(37, 99, 235, 0.25); }

/* --- BACK BUTTON --- */
.back-btn {
    position: absolute;
    top: 28px;
    left: 24px;
    width: 34px; height: 34px;
    border-radius: 10px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    display: flex; align-items: center; justify-content: center;
    color: #374151; font-size: 14px; text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
}
.back-btn:hover { border-color: #2563eb; color: #2563eb; box-shadow: 0 6px 14px rgba(37, 99, 235, 0.15); }