/* Shared styles – design matching stefanseegerer.de */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;600;700&family=Inter:wght@400;500;600&display=swap');

*, *::before, *::after { box-sizing: border-box; }

:root {
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --bg-color:       #f5f5f5;
    --surface-color:  #ffffff;
    --border:         #e8e8e8;
    --radius:         6px;
    --toolbar-bg:     #1a1a1a;
    /* backwards-compat aliases */
    --glass-bg:       #ffffff;
    --glass-border:   #e8e8e8;
    --glass-shadow:   rgba(0, 0, 0, 0.06);
    --accent-color:   #1a1a1a;
    --text-color:     #1a1a1a;
    --secondary-text: #888888;
    --success-color:  #28a745;
    --error-color:    #dc3545;
    --info-color:     #17a2b8;
}

/* Base styles */
body {
    font-family: var(--font-sans);
    background: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    font-size: 14px;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

/* Header / Toolbar */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 50px;
    background: var(--toolbar-bg);
    width: 100%;
    padding: 10px 24px;
    display: flex;
    align-items: center;
}

.header h1 {
    margin: 0;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: .02em;
    color: #e0e0e0;
}

/* Navigation container */
.nav-container {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 12px;
}

.home-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #aaa;
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: color .15s;
    white-space: nowrap;
}

.home-link:hover {
    color: #e0e0e0;
    background: rgba(255,255,255,0.08);
}

/* Theme toggle – hidden */
.theme-toggle {
    display: none !important;
}


/* ── Main layout ── */
.container {
    max-width: 900px;
    width: 100%;
    margin: 48px auto 80px;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Wide variant for dashboards / tools that need more room */
.wide-container {
    width: 90%;
    max-width: 1200px;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Page hero (used on index and sub-indexes) */
.page-heading {
    font-family: var(--font-serif);
    font-size: 3em;
    font-weight: 700;
    color: var(--text-color);
    margin: 0 0 .15em;
    letter-spacing: -.01em;
    line-height: 1.1;
}

.page-sub {
    font-size: 14px;
    color: var(--secondary-text);
    margin: 0 0 40px;
}

/* White card (replaces glass panel) */
.glass-panel {
    background: var(--surface-color);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 1px 4px var(--glass-shadow);
    padding: 24px;
}

/* Headings */
h2, h3 {
    font-family: var(--font-serif);
    letter-spacing: -.01em;
    color: var(--text-color);
    line-height: 1.2;
}

h2 { font-size: 1.7em; font-weight: 600; margin: 0 0 .5em; }
h3 { font-size: 1.2em; font-weight: 600; margin: 0 0 .5em; }

/* ── Index tool grid ── */
.tools-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
}

@media (min-width: 768px)  { .tools-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tools-list { grid-template-columns: repeat(3, 1fr); } }

.tool-card {
    background: var(--surface-color);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color .15s, box-shadow .15s;
}

.tool-card:hover {
    border-color: var(--text-color);
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

.tool-card a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.tool-image {
    background: var(--toolbar-bg);
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.tool-content { padding: 16px 20px; }

.tool-title {
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    font-family: var(--font-serif);
}

.tool-description {
    color: var(--secondary-text);
    font-size: 12px;
    margin: 0;
    line-height: 1.6;
}

/* Cards */
.module-tile,
.nb-card {
    background: var(--surface-color);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color .15s, box-shadow .15s;
}

.tool-card:hover,
.module-tile:hover,
.nb-card:hover {
    border-color: var(--text-color);
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

/* Section label */
.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #aaa;
    margin: 32px 0 10px;
}

/* Buttons */
.btn {
    background: var(--text-color);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 8px 18px;
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
    transition: opacity .15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: inherit;
    text-decoration: none;
}

.btn:hover { opacity: 0.8; }

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 1;
}

.btn-secondary {
    background: #f0f0f0;
    color: var(--text-color);
    border: 1px solid var(--border);
}

.btn-secondary:hover { background: #e8e8e8; opacity: 1; }
.btn-success { background: var(--success-color); }
.btn-small { padding: 4px 10px; font-size: 12px; }

/* Form elements */
select,
input[type="text"],
input[type="range"] {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px 10px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text-color);
}

select:focus,
input[type="text"]:focus {
    outline: none;
    border-color: #999;
}

input[type="checkbox"] {
    accent-color: var(--text-color);
}

/* Textarea */
.textarea {
    width: 100%;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
    font-size: 13px;
    resize: vertical;
    color: var(--text-color);
    line-height: 1.5;
}

.textarea:focus { outline: none; border-color: #999; }
.textarea::placeholder { color: var(--secondary-text); }

/* Status messages */
.status-message {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 12px;
    font-weight: 500;
    font-size: 13px;
}

.status-success {
    background: rgba(40, 167, 69, 0.08);
    border: 1px solid rgba(40, 167, 69, 0.2);
    color: var(--success-color);
}

.status-error {
    background: rgba(220, 53, 69, 0.08);
    border: 1px solid rgba(220, 53, 69, 0.2);
    color: var(--error-color);
}

.status-info {
    background: rgba(23, 162, 184, 0.08);
    border: 1px solid rgba(23, 162, 184, 0.2);
    color: var(--info-color);
}

/* Footer */
.footer {
    width: 100%;
    margin-top: auto;
    padding: 12px 24px;
    text-align: center;
    font-size: 12px;
    color: #bbb;
    border-top: 1px solid var(--border);
    background: #fff;
}

.footer a { color: #888; text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* Utility */
.hidden { display: none; }