/* Bit by Bit brand theme */
:root {
    --bg:           #F3F4F6;
    --surface:      #FFFFFF;
    --border:       #E5E7EB;
    --text:         #374151;
    --text-heading: #274C84;
    --accent:       #ABCB39;
    --nav:          #274C84;
    --btn-primary-text: #FFFFFF;
    --success:      #10B981;
    --alert:        #EF4444;
}

[data-theme="dark"] {
    --bg:           #0D1B2A;
    --surface:      #112236;
    --border:       #1E3A5F;
    --text:         #F3F4F6;
    --text-heading: #ABCB39;
    --accent:       #ABCB39;
    --nav:          #274C84;
    --btn-primary-text: #0D1B2A;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Header / logo band --- */
.brand-header {
    background-color: var(--bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
}

.brand-logo {
    height: 44px;
}

.theme-toggle {
    background: transparent;
    border: 2px solid var(--nav);
    color: var(--text-heading);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 16px;
    cursor: pointer;
}

[data-theme="dark"] .theme-toggle {
    border-color: var(--accent);
}

/* --- Nav bar --- */
.main-nav {
    background-color: var(--nav);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 24px;
}

.nav-title {
    font-size: 18px;
    font-weight: 700;
}

.nav-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-tab {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: #FFFFFF;
    border-radius: 6px;
    padding: 8px 16px;
    font-weight: 600;
    cursor: pointer;
}

.nav-tab.active {
    background-color: #ABCB39;
    border-color: #ABCB39;
    color: #0D1B2A;
}

/* --- Layout --- */
.container {
    max-width: 960px;
    width: 100%;
    margin: 24px auto;
    padding: 0 16px;
    flex: 1;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.card h2 {
    margin-top: 0;
    color: var(--text-heading);
    font-weight: 700;
}

.card-intro {
    margin-top: 0;
}

code {
    background-color: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: Consolas, 'Courier New', monospace;
    word-break: break-all;
}

/* --- Controls --- */
.control-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

label {
    font-weight: 600;
    color: var(--text-heading);
}

select,
input[type="text"],
input[type="password"] {
    padding: 9px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background-color: var(--surface);
    color: var(--text);
    min-width: 220px;
    font-size: 14px;
}

select:focus,
input:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

/* --- Buttons --- */
.btn-primary {
    background-color: var(--accent);
    color: var(--btn-primary-text);
    border: none;
    border-radius: 6px;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-ghost {
    background: transparent;
    border: 2px solid var(--nav);
    color: var(--text-heading);
    border-radius: 6px;
    padding: 8px 18px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
}

[data-theme="dark"] .btn-ghost {
    border-color: var(--accent);
}

.btn-copy {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
    cursor: pointer;
    margin-left: 8px;
}

.btn-copy:hover {
    border-color: var(--accent);
}

/* --- Spinner / errors --- */
.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--accent);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
    display: none; /* Hidden by default */
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-text {
    color: var(--alert);
    text-align: center;
    margin-top: 10px;
    font-weight: 600;
}

/* --- Installer cards --- */
.results {
    margin-top: 24px;
}

.installer-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    padding: 15px 18px;
    margin-bottom: 15px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    word-wrap: break-word;
}

.installer-card h3 {
    margin-top: 0;
    color: var(--text-heading);
}

.installer-card p {
    margin: 6px 0;
}

.installer-card a {
    color: var(--accent);
    text-decoration: none;
    word-break: break-all;
}

.installer-card a:hover {
    text-decoration: underline;
}

.token-line code {
    font-weight: 600;
}

/* --- Wizard forms --- */
.form-field {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 480px;
}

.field-hint {
    font-size: 12px;
    opacity: 0.8;
}

.preview-line {
    margin: 12px 0 18px;
}

.wizard-result {
    margin-top: 18px;
}

.result-box {
    border-radius: 6px;
    padding: 14px 16px;
    border: 1px solid var(--border);
}

.result-box.success {
    border-left: 4px solid var(--success);
}

.result-box.partial {
    border-left: 4px solid var(--accent);
}

.result-box.failed {
    border-left: 4px solid var(--alert);
}

.result-box ul {
    margin: 8px 0 0;
    padding-left: 20px;
}

.badge {
    display: inline-block;
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 600;
    margin-right: 6px;
}

.badge.success { background-color: #10B981; color: #FFFFFF; }
.badge.warning { background-color: #ABCB39; color: #0D1B2A; }
.badge.critical { background-color: #EF4444; color: #FFFFFF; }

/* --- Footer --- */
.brand-footer {
    background-color: #274C84;
    border-top: 3px solid #ABCB39;
    color: #FFFFFF;
    text-align: center;
    padding: 14px 24px;
    font-size: 13px;
    margin-top: 32px;
}