@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

:root {
    --primary-color: #E60000; /* Vodafone Red */
    --background-color: #F9FAFB;
    --text-dark: #1D2B3A;
    --text-light: #6B7A8C;
    --border-color: #DDE2E7;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    margin: 0;
    padding: 20px;
    color: var(--text-dark);
}

.main-container {
    max-width: 700px;
    margin: 10px auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5em;
    font-weight: 700;
    margin: 0;
}

header p {
    font-size: 1.1em;
    color: var(--text-light);
    margin-top: 10px;
}

.card {
    background-color: #fff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
}

h2 {
    font-size: 1.5em;
    font-weight: 700;
    margin: 0 0 5px 0;
}

.card p {
    color: var(--text-light);
    margin: 0 0 20px 0;
}

textarea {
    width: 100%;
    height: 120px;
    padding: 14px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-sizing: border-box;
    resize: vertical;
    font-family: 'Inter', sans-serif;
}

#draft-output {
    height: 180px;
}

button {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    background-color: var(--primary-color);
    color: #fff;
    transition: background-color 0.2s, transform 0.1s;
}

button:hover {
    background-color: #CC0000; /* Darker red for hover */
}

button:disabled {
    cursor: not-allowed;
    background-color: #e1e4e8;
}

#loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}