:root {
    /* Innovation Ultimate palette: deep blue base, silver accents */
    --bg:        #1b283e;
    --surface:   #233351;
    --surface-2: #2c3e60;
    --border:    #3a4d70;
    --text:      #ccdde7;
    --text-dim:  #8ea4b8;
    --accent:    #ccdde7;
    --accent-dim:#a8bccf;
    --demand:    #e08a6e;
    --info-bg:   #1f2c45;
    --info-border:#3a4d70;
    --kw-bg:     #1d2a42;
    --kw-border: #344667;
    --echo-bg:   #1d2a42;
    --echo-border:#344667;

    /* Card colors (Innovation) */
    --color-red:    #c84230;
    --color-yellow: #d4a04e;
    --color-green:  #4a8a3f;
    --color-blue:   #3a6db0;
    --color-purple: #7a4ab0;
}

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

body {
    font-family: 'DM Sans', system-ui, sans-serif;
    background: var(--bg) url('../images/InnoUlt_BG.png') repeat;
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.wrapper {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}

/* -- Top bar -------------------------------------- */
.top-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.top-bar .branding {
    flex: 0 0 auto;
    white-space: nowrap;
    height: 2.5rem;
    display: flex;
    align-items: center;
    overflow: visible;
}

.top-bar .branding h1 {
    font-family: 'Crimson Pro', Georgia, serif;
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 0.02em;
    color: var(--accent);
    line-height: 1.1;
}

.top-bar .branding .logo {
    height: 3.75rem;
    width: auto;
    display: block;
}

.top-bar .branding .subtitle {
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.top-bar .search-bar {
    flex: 1 1 auto;
    display: flex;
    gap: 0.4rem;
    justify-content: center;
    min-width: 0;
}

.top-bar .search-bar input {
    width: 18rem;
    flex: 0 1 auto;
    font-family: 'DM Sans', system-ui, sans-serif;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    padding: 0.55rem 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    outline: none;
    transition: border-color 0.2s;
}

.top-bar .search-bar input::placeholder {
    color: var(--text-dim);
    font-weight: 400;
}

.top-bar .search-bar input:focus {
    border-color: var(--accent);
}

.top-bar .search-bar button {
    font-family: 'DM Sans', system-ui, sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.55rem 1rem;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.top-bar .search-bar button:hover {
    background: var(--accent-dim);
}

.top-bar .rules-link {
    flex: 0 0 auto;
    white-space: nowrap;
}

.top-bar .rules-link a {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--accent);
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

.top-bar .rules-link a:hover {
    background: var(--accent);
    color: var(--bg);
}

@media (max-width: 600px) {
    .top-bar {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }
    .top-bar .branding {
        width: 100%;
        text-align: center;
    }
    .top-bar .search-bar {
        flex: 0 1 auto;
    }
}

/* -- Error ---------------------------------------- */
.error-msg {
    text-align: center;
    color: var(--demand);
    font-size: 0.95rem;
    padding: 1rem;
    background: rgba(212, 120, 92, 0.08);
    border: 1px solid rgba(212, 120, 92, 0.2);
    border-radius: 6px;
}

/* -- Search results ------------------------------- */
.search-results {
    animation: fadeUp 0.3s ease-out;
}

.search-results-header {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.search-results-header strong {
    color: var(--text);
}

.search-results-list {
    list-style: none;
}

.search-results-list li {
    margin-bottom: 0.5rem;
}

.search-results-list a {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}

.search-results-list a:hover {
    background: var(--surface-2);
    border-color: var(--accent);
}

.search-results-list .result-title {
    font-weight: 600;
    font-size: 1rem;
}

.search-results-list .result-meta {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

/* -- Card display --------------------------------- */
.card-display {
    animation: fadeUp 0.3s ease-out;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.card-image-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5%;
    margin-bottom: 1.5rem;
}

.card-image-wrap img {
    max-width: 80%;
    width: 80%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    flex-shrink: 0;
}

.card-nav {
    flex: 0 0 5%;
    align-self: stretch;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    outline: none;
}

.card-nav::before {
    content: '';
    display: block;
    width: 100%;
    aspect-ratio: 0.5 / 1;
    height: 75%;
    clip-path: polygon(100% 0%, 0% 50%, 100% 100%);
    background: white;
    opacity: 0.75;
    transition: opacity 0.15s;
}

.card-nav-next::before {
    clip-path: polygon(0% 0%, 100% 50%, 0% 100%);
}

.card-nav:hover::before {
    opacity: 1;
}

/* -- Badges --------------------------------------- */
.card-meta {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    text-transform: uppercase;
}

.badge-set, .badge-value, .badge-code {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-dim);
}

.badge-code {
    color: var(--text);
    font-family: 'DM Sans', monospace;
    letter-spacing: 0.1em;
}

.badge-color {
    color: #fff;
    border: 1px solid transparent;
}
.badge-color.color-red    { background: var(--color-red); }
.badge-color.color-yellow { background: var(--color-yellow); color: #1a1a1a; }
.badge-color.color-green  { background: var(--color-green); }
.badge-color.color-blue   { background: var(--color-blue); }
.badge-color.color-purple { background: var(--color-purple); }

/* -- Sections ------------------------------------- */
.section {
    margin-bottom: 1.25rem;
    padding: 1rem 1.25rem;
    border-radius: 8px;
}

.section-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.65rem;
}

/* -- Inline icons in text ------------------------- */
.icon {
    height: 1.15em;
    width: auto;
    vertical-align: middle;
    position: relative;
    top: -0.15em;
    display: inline-block;
}

/* -- Color-coded boxes (effect + echo) ------------- */
/* Base box treatment - overridden per color below */
.card-color-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left-width: 4px;
}

/* Color tints for box backgrounds and accent borders */
.card-color-box.color-red {
    background: rgba(200, 66, 48, 0.40);
    border-color: rgba(200, 66, 48, 0.35);
    border-left-color: var(--color-red);
}
.card-color-box.color-yellow {
    background: rgba(212, 160, 78, 0.40);
    border-color: rgba(212, 160, 78, 0.35);
    border-left-color: var(--color-yellow);
}
.card-color-box.color-green {
    background: rgba(74, 138, 63, 0.40);
    border-color: rgba(74, 138, 63, 0.35);
    border-left-color: var(--color-green);
}
.card-color-box.color-blue {
    background: rgba(58, 109, 176, 0.40);
    border-color: rgba(58, 109, 176, 0.35);
    border-left-color: var(--color-blue);
}
.card-color-box.color-purple {
    background: rgba(122, 74, 176, 0.40);
    border-color: rgba(122, 74, 176, 0.35);
    border-left-color: var(--color-purple);
}

.effect-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    line-height: 1.5;
}

.effect-row + .effect-row {
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: 0.25rem;
    padding-top: 0.75rem;
}

.effect-row .effect-icon {
    flex: 0 0 1.6rem;
    text-align: center;
    padding-top: 0.05rem;
}

.effect-row .effect-icon .icon {
    height: 1.4rem;
    vertical-align: middle;
}

.effect-row .effect-text {
    flex: 1 1 auto;
    font-size: 1rem;
    line-height: 1.55;
}

.effect-row .effect-text .demand {
    color: var(--demand);
    font-weight: 700;
}

/* -- Echo effect ---------------------------------- */
.card-echo .echo-text {
    font-size: 0.95rem;
    line-height: 1.55;
    color: var(--text);
}

.card-echo .echo-text .demand {
    color: var(--demand);
    font-weight: 700;
}

/* -- Appendix ------------------------------------- */
.card-appendix {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
}

.card-appendix .appendix-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text);
}

/* -- Keywords ------------------------------------- */
.card-keywords {
    background: var(--kw-bg);
    border: 1px solid var(--kw-border);
}

.keyword-list {
    list-style: none;
}

.keyword-list li {
    padding: 0.6rem 0;
    font-size: 0.9rem;
    line-height: 1.55;
}

.keyword-list li + li {
    border-top: 1px solid rgba(255,255,255,0.05);
}

.keyword-list .kw-name {
    font-weight: 700;
    color: var(--accent);
}

.keyword-list .kw-def {
    color: var(--text-dim);
}

/* -- Feedback link -------------------------------- */
.feedback-link {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.feedback-link a {
    color: var(--accent);
    text-decoration: none;
}

.feedback-link a:hover {
    text-decoration: underline;
}

/* -- Landing -------------------------------------- */
.landing-info {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-top: 1rem;
}

.landing-info p {
    margin-bottom: 0.75rem;
}

.landing-info code {
    font-family: 'DM Sans', monospace;
    background: var(--surface-2);
    color: var(--text);
    padding: 0.05rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
    letter-spacing: 0.05em;
}

.landing-hint {
    font-size: 0.85rem;
}

/* -- Welcome content (landing state) ---------------- */
.welcome {
    margin-top: 2rem;
    padding: 1.25rem 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.welcome p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text);
    margin-bottom: 1rem;
}

.welcome p:last-of-type {
    margin-bottom: 1.5rem;
}

.welcome a {
    color: var(--accent);
    text-decoration: none;
}

.welcome a:hover {
    text-decoration: underline;
}

.welcome .link-group {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.welcome .link-group:first-of-type {
    border-top: none;
    padding-top: 0;
}

.welcome .link-group-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.welcome .link-group ul {
    list-style: none;
}

.welcome .link-group li {
    padding: 0.25rem 0;
    font-size: 0.95rem;
}

.welcome .link-group li::before {
    content: "→ ";
    color: var(--text-dim);
    margin-right: 0.25rem;
}

/* -- Footer --------------------------------------- */
.site-footer {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-dim);
}

.site-footer a {
    color: var(--accent);
    text-decoration: none;
}

/* -- Responsive ----------------------------------- */
@media (max-width: 480px) {
    .wrapper { padding: 1.25rem 1rem 3rem; }
    .card-image-wrap img { width: 95%; max-width: 95%; }
    .effect-row .effect-text { font-size: 0.95rem; }
}