:root {
    --brand: #FF6701;
    --bg: #f9fafb;
    --error: #ef4444;
}

* { box-sizing: border-box; }

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

.login-card {
    background: white;
    padding: 2.5rem;
    border-radius: 24px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    text-align: center;
}

h2 { color: var(--brand); margin: 0 0 0.5rem 0; font-size: 1.8rem; }
p { color: #6b7280; margin-bottom: 2rem; }

.field { margin-bottom: 1.5rem; text-align: left; }
label { display: block; font-size: 0.9rem; margin-bottom: 0.5rem; color: #374151; font-weight: 600; }

.input-box {
    display: flex;
    align-items: center;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s;
}
.input-box:focus-within { border-color: var(--brand); }
.prefix { padding: 12px; background: #f3f4f6; color: #6b7280; font-weight: bold; border-right: 2px solid #e5e7eb; }
input { width: 100%; padding: 12px; border: none; font-size: 1rem; outline: none; }

.error-text {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: 5px;
    display: none;
}

button {
    width: 100%;
    padding: 15px;
    background: var(--brand);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: transform 0.1s;
}
button:active { transform: scale(0.98); }
button:disabled { background: #cbd5e1; cursor: not-allowed; }

.footer { text-align: center; margin-top: 2rem; font-size: 0.9rem; color: #4b5563; }
.footer a { color: var(--brand); text-decoration: none; font-weight: bold; }