/* ============================================================
   ASK THE AGENTIC BANKER – Design System
   Matches schablitzki-consulting.de dark theme
   ============================================================ */

:root {
    /* Backgrounds */
    --bg-primary: #0a0e1a;
    --bg-secondary: #131830;
    --bg-card: #1c2340;
    --bg-elevated: #222a50;

    /* Accent */
    --accent-lime: #7ab648;
    --accent-bright: #cbfe49;
    --accent-gradient: linear-gradient(135deg, #7ab648 0%, #cbfe49 100%);

    /* Text */
    --text-primary: #f0f0f0;
    --text-secondary: #a0aec0;
    --text-muted: #8a9ab0;

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.12);
    --border-accent: rgba(122, 182, 72, 0.35);

    /* Glow */
    --glow-lime: 0 0 20px rgba(122, 182, 72, 0.15);

    /* Layout */
    --btn-ask-size: 48px;

    /* Typography */
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'DM Sans', Georgia, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    height: auto;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* Lime gradient text */
.lime-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Login Screen ─────────────────────────────── */

#login-screen {
    min-height: 100vh;
}

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-brand {
    margin-bottom: 3rem;
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

#login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 360px;
}

#login-form input {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #ffffff;
    color: #1e1e1e;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

#login-form input::placeholder {
    color: #999;
}

#login-form input:focus {
    border-color: var(--accent-lime);
    box-shadow: var(--glow-lime);
}

.btn-primary {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

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

.error-text {
    color: #e74c3c;
    font-size: 0.875rem;
    text-align: center;
    min-height: 1.25rem;
}

/* ── Search Screen ────────────────────────────── */

#search-screen {
    min-height: 100vh;
}

.search-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand-text-small {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.btn-logout {
    font-family: var(--font-body);
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

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

.search-main {
    width: 65%;
    margin: 0 auto;
    padding: 3rem 0 5rem;
}

/* ── Search Box ───────────────────────────────── */

.search-box {
    display: flex;
    align-items: stretch;
    gap: 0.5rem;
    margin-bottom: 2rem;
    width: 100%;
}

#question-input {
    flex: 1;
    min-width: 0;
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.875rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

#question-input::placeholder {
    color: var(--text-muted);
}

#question-input:focus {
    border-color: var(--accent-lime);
    box-shadow: var(--glow-lime);
}

.btn-ask {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--btn-ask-size);
    min-width: var(--btn-ask-size);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-ask:hover:not(:disabled) {
    border-color: var(--accent-lime);
    color: var(--accent-lime);
    box-shadow: var(--glow-lime);
}

.btn-ask:disabled {
    opacity: 0.3;
    cursor: default;
}

/* ── Answer Container ─────────────────────────── */

.answer-container {
    /* Same width as the input: full width minus button and gap */
    width: calc(100% - var(--btn-ask-size) - 0.5rem);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.answer-content {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.answer-content h1,
.answer-content h2,
.answer-content h3 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin: 1.25rem 0 0.5rem;
    letter-spacing: -0.3px;
}

.answer-content h1 { font-size: 1.375rem; }
.answer-content h2 { font-size: 1.125rem; }
.answer-content h3 { font-size: 1rem; }

.answer-content p { margin: 0.75rem 0; }

.answer-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.answer-content ul,
.answer-content ol {
    margin: 0.75rem 0;
    padding-left: 1.5rem;
}

.answer-content li { margin: 0.25rem 0; }

.answer-content a {
    color: var(--accent-lime);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.answer-content a:hover {
    border-bottom-color: var(--accent-lime);
}

.answer-content code {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    background: var(--bg-elevated);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: var(--accent-bright);
}

.answer-content pre {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0.75rem 0;
    border: 1px solid var(--border-color);
}

.answer-content pre code {
    background: none;
    padding: 0;
    color: var(--text-secondary);
}

.answer-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.75rem 0;
    font-size: 0.875rem;
}

.answer-content th,
.answer-content td {
    padding: 0.625rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.answer-content th {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.answer-content blockquote {
    border-left: 3px solid var(--accent-lime);
    padding: 0.5rem 1rem;
    margin: 0.75rem 0;
    background: var(--bg-secondary);
    border-radius: 0 6px 6px 0;
    color: var(--text-muted);
}

.answer-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.5rem 0;
}

/* ── Loading ──────────────────────────────────── */

.loading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.loading-dots {
    display: flex;
    gap: 4px;
}

.loading-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-lime);
    animation: pulse 1.4s infinite ease-in-out;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
    0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
    40% { opacity: 1; transform: scale(1); }
}

/* ── Copy Button ──────────────────────────────── */

.btn-copy {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.75rem;
    padding: 0.4rem 0.75rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

/* ── Disclaimer ───────────────────────────────── */

.disclaimer {
    width: 75%;
    margin-top: 2.5rem;
    text-align: center;
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--text-muted);
}

/* ── Copyright Footer ─────────────────────────── */

.copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 1rem 2rem;
    letter-spacing: 0.5px;
    position: fixed;
    bottom: 0;
    right: 0;
}

/* ── Responsive ───────────────────────────────── */

@media (max-width: 768px) {
    .brand-text { font-size: 1.75rem; }
    .search-main { width: 90%; padding: 2rem 0 5rem; }
    .answer-container { padding: 1rem 1.25rem; }
    .disclaimer { width: 90%; }
}