:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #16a34a;
    --warning-color: #ea580c;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

header {
    text-align: center;
    margin-bottom: 10px;
}

header .header-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 10px;
}

header .logo {
    width: 80px;
    height: 80px;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
    color: var(--primary-color);
}

header p {
    margin: 0;
    color: #64748b;
}

.input-section {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

label {
    font-weight: 600;
    font-size: 0.9rem;
}

input[type="text"], input[type="password"] {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.hint {
    font-size: 0.8rem;
    color: var(--primary-color);
    min-height: 1.2em;
}

button#generate-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 8px;
}

button#generate-btn:hover {
    background-color: var(--primary-hover);
}

.results-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: opacity 0.3s;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 4px -1px rgba(0,0,0,0.05);
}

.card.secure-card {
    border-left: 5px solid var(--success-color);
}

.card.legacy-card {
    border-left: 5px solid var(--warning-color);
    background-color: #fffaf5;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.card-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.desc {
    margin: 0 0 16px 0;
    font-size: 0.85rem;
    color: #64748b;
}

.badge {
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 99px;
    font-weight: bold;
    text-transform: uppercase;
}

.badge.secure {
    background-color: #dcfce7;
    color: var(--success-color);
}

.badge.warning {
    background-color: #ffedd5;
    color: var(--warning-color);
}

.output-group {
    display: flex;
    gap: 8px;
}

.output-group input {
    flex: 1;
    font-family: monospace;
    background-color: #f1f5f9;
    color: #334155;
    cursor: text;
}

.copy-btn {
    background-color: white;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.copy-btn:hover {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
}

.downloads-section {
    text-align: center;
    background: #eef2ff;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid #c7d2fe;
}

.downloads-section p {
    margin: 0 0 12px 0;
    font-weight: 600;
    color: #4338ca;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.store-btn {
    background: white;
    color: var(--text-color);
    text-decoration: none;
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.store-btn:hover {
    background: #f8fafc;
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

footer {
    text-align: center;
    font-size: 0.8rem;
    color: #94a3b8;
    margin-top: 20px;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #1e293b;
    color: white;
    padding: 10px 20px;
    border-radius: 99px;
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
}