@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
    --gold: #e4b854;
    --gold-dim: #b8923d;
    --bg: #282828;
    --bg-raised: #323232;
    --bg-inset: #1e1e1e;
    --bg-deep: #141414;
    --text: #e4e4e4;
    --text-muted: #888888;
    --black: #050505;
    --border: #3a3a3a;
    --success: #4caf6e;
    --success-bg: #1a2e21;
    --error: #c0392b;
    --error-bg: #2a1414;
    --info: #3a7ca5;
    --info-bg: #162230;
    --radius: 4px;
    --font: 'DM Sans', 'Helvetica Now', Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-weight: 400;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.container {
    background-color: var(--bg-raised);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-sizing: border-box;
}

h1,
h2 {
    color: var(--text);
    text-align: center;
    margin-top: 0;
    letter-spacing: -0.02em;
    font-weight: 600;
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Buttons */
button {
    padding: 12px 16px;
    background-color: var(--gold);
    border: none;
    border-radius: var(--radius);
    color: var(--black);
    cursor: pointer;
    width: 100%;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    transition: background-color 0.2s ease, opacity 0.2s ease;
    margin-bottom: 5px;
}

button:hover:not(:disabled) {
    background-color: var(--gold-dim);
}

button:disabled {
    background-color: var(--bg-inset);
    color: var(--text-muted);
    cursor: not-allowed;
    border: 1px solid var(--border);
}

button.secondary {
    background-color: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

button.secondary:hover:not(:disabled) {
    background-color: var(--bg-inset);
    color: var(--text);
    border-color: #555;
}

/* Status Messages */
.status-message {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.9rem;
    text-align: center;
    letter-spacing: 0.01em;
}

.status-message.success {
    background-color: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(76, 175, 110, 0.25);
}

.status-message.error {
    background-color: var(--error-bg);
    color: #e05c4f;
    border: 1px solid rgba(192, 57, 43, 0.3);
}

.status-message.info {
    background-color: var(--info-bg);
    color: #6ab0d4;
    border: 1px solid rgba(58, 124, 165, 0.3);
}

/* Progress Bar */
progress {
    width: 100%;
    height: 3px;
    border-radius: 0;
    appearance: none;
    -webkit-appearance: none;
}

progress::-webkit-progress-bar {
    background-color: var(--border);
    border-radius: 0;
}

progress::-webkit-progress-value {
    background-color: var(--gold);
    border-radius: 0;
    transition: width 0.3s ease;
}

progress::-moz-progress-bar {
    background-color: var(--gold);
    border-radius: 0;
}

/* History List */
.history-wrapper {
    background: var(--bg-inset);
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.device-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.device-item {
    display: flex;
    align-items: center;
    background: var(--success-bg);
    color: var(--success);
    margin-bottom: 6px;
    padding: 10px 12px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.9rem;
    border-left: 3px solid var(--success);
    animation: fadeIn 0.3s ease-out;
}

.device-item::before {
    content: '✓';
    margin-right: 10px;
    font-weight: 700;
    color: var(--success);
}

.empty-state {
    color: var(--text-muted);
    font-style: normal;
    font-size: 0.85rem;
    text-align: center;
    padding: 12px;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    letter-spacing: 0.02em;
}

/* Collapsible Log */
.log-collapsible {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-deep);
    overflow: hidden;
}

.log-collapsible summary {
    padding: 10px 14px;
    cursor: pointer;
    background-color: var(--bg-inset);
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    outline: none;
    user-select: none;
    transition: background 0.2s, color 0.2s;
}

.log-collapsible summary:hover {
    background-color: #262626;
    color: var(--text);
}

.log-collapsible summary::marker {
    color: var(--gold);
}

#logOutput {
    width: 100%;
    height: 150px;
    padding: 12px 14px;
    background-color: var(--bg-deep);
    border: none;
    border-top: 1px solid var(--border);
    font-family: 'Courier New', 'Menlo', monospace;
    font-size: 12px;
    color: var(--gold);
    opacity: 0.85;
    resize: none;
    box-sizing: border-box;
    display: block;
    line-height: 1.6;
}

.hidden {
    display: none !important;
}

/* Header with Logo */
.tool-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 4px;
}

.tool-logo {
    width: 240px;
    height: auto;
    display: block;
    opacity: 0.92;
    transition: opacity 0.2s ease;
}

.tool-logo:hover {
    opacity: 1;
}

.tool-header h1 {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}