@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a2233;
    --bg-hover: #1f2b3d;
    --border: #2a3548;
    --border-light: #374151;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --aws: #ff9900;
    --gcp: #4285f4;
    --azure: #0ea5e9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --glass: rgba(26,34,51,0.7);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    background-image: 
        radial-gradient(ellipse at top left, rgba(59,130,246,0.05) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(14,165,233,0.04) 0%, transparent 50%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== HEADER ===== */
header {
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(59,130,246,0.06) 0%, transparent 100%);
    border-bottom: 1px solid var(--border);
    position: relative;
}

header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.3rem;
}

header h1 span.gradient {
    background: linear-gradient(135deg, #60a5fa, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 300;
}

main {
    max-width: 1300px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem;
}

/* ===== NAVIGATION ===== */
.main-nav {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 2rem;
    background: var(--bg-secondary);
    padding: 0.35rem;
    border-radius: 14px;
    border: 1px solid var(--border);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.nav-btn {
    padding: 0.6rem 1.4rem;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.25s ease;
}

.nav-btn:hover { color: var(--text-primary); background: var(--bg-hover); }

.nav-btn.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 12px rgba(59,130,246,0.35);
}

/* ===== VIEWS ===== */
.view { display: none; animation: fadeIn 0.3s ease; }
.view.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== SEARCH VIEW ===== */
.search-box { margin-bottom: 1.5rem; }

.search-box input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.25s;
}

.search-box input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box input::placeholder { color: var(--text-muted); }

.search-filters { display: flex; gap: 0.4rem; margin-top: 0.7rem; }

.filter-btn {
    padding: 0.3rem 0.85rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s;
}

.filter-btn:hover { color: var(--text-primary); border-color: var(--border-light); }
.filter-btn.active { background: var(--success); color: #fff; border-color: var(--success); }

/* Search Result Cards */
.search-results { min-height: 60px; }

.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
    transition: all 0.25s;
    backdrop-filter: blur(8px);
}

.result-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent-glow), var(--shadow);
    transform: translateY(-1px);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.category-tag {
    padding: 0.2rem 0.7rem;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: 20px;
    font-size: 0.68rem;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.cloud-col {
    padding: 1rem;
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.cloud-col::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
}

.cloud-col.aws::before { background: var(--aws); }
.cloud-col.gcp::before { background: var(--gcp); }
.cloud-col.azure::before { background: var(--azure); }

.cloud-col h4 {
    font-size: 0.7rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
}

.cloud-col.aws h4 { color: var(--aws); }
.cloud-col.gcp h4 { color: var(--gcp); }
.cloud-col.azure h4 { color: var(--azure); }

.cloud-col .svc-name { font-weight: 600; font-size: 0.88rem; margin-bottom: 0.3rem; color: var(--text-primary); }
.cloud-col .svc-search { color: var(--success); font-size: 0.72rem; font-weight: 500; margin-bottom: 0.3rem; }
.cloud-col .svc-config { color: var(--text-secondary); font-size: 0.72rem; line-height: 1.5; }

.svc-tag {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.62rem;
    font-weight: 600;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.tag-yes { background: rgba(16,185,129,0.12); color: var(--success); border: 1px solid rgba(16,185,129,0.25); }
.tag-no { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }

/* Catalog */
.catalog-section { margin-top: 2rem; }
.catalog-section h3 { color: var(--text-secondary); margin-bottom: 1rem; font-size: 0.9rem; font-weight: 500; }

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.6rem;
}

.catalog-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.7rem 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.catalog-item:hover { border-color: var(--accent); background: var(--bg-hover); }
.catalog-item .cat-name { font-size: 0.82rem; font-weight: 500; }
.catalog-item .cat-arrows { color: var(--text-muted); font-size: 0.7rem; background: var(--bg-primary); padding: 0.15rem 0.5rem; border-radius: 4px; }

/* ===== AI CHAT ===== */
.ai-container { max-width: 800px; margin: 0 auto; }
.ai-intro { margin-bottom: 1.5rem; }
.ai-intro p { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 1rem; }

.ai-examples { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.example-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.78rem;
    font-family: inherit;
    transition: all 0.2s;
}

.example-btn:hover { border-color: var(--accent); background: var(--bg-hover); }

.ai-messages {
    min-height: 150px;
    max-height: 500px;
    overflow-y: auto;
    padding: 1rem 0;
}

.ai-msg {
    margin-bottom: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    line-height: 1.7;
}

.ai-msg.user {
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.2);
    margin-left: 3rem;
}

.ai-msg.assistant {
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin-right: 3rem;
}

.ai-msg pre { background: var(--bg-primary); padding: 0.75rem; border-radius: 6px; overflow-x: auto; font-size: 0.78rem; margin: 0.5rem 0; }

.ai-input-row { display: flex; gap: 0.5rem; }

.ai-input-row input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-family: inherit;
    outline: none;
}

.ai-input-row input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

.btn-send {
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-send:hover { background: #2563eb; box-shadow: 0 4px 12px rgba(59,130,246,0.35); }
.btn-send:disabled { background: var(--bg-hover); color: var(--text-muted); cursor: not-allowed; box-shadow: none; }

.ai-hint { color: var(--text-muted); font-size: 0.7rem; margin-top: 0.75rem; text-align: center; }
.typing-indicator { color: var(--text-secondary); font-style: italic; }

/* ===== CSV VIEW ===== */
.upload-box {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--bg-secondary);
}

.upload-box:hover, .upload-box.dragover {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.upload-box.minimized {
    padding: 1rem;
    border-style: solid;
}

.upload-box.minimized .upload-icon { font-size: 1.5rem; margin-bottom: 0.25rem; }

.upload-icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.file-label { color: var(--accent); cursor: pointer; font-weight: 500; }
.hint { color: var(--text-muted); font-size: 0.75rem; margin-top: 0.4rem; }

.upload-actions { display: flex; justify-content: center; margin-top: 1rem; }

.btn-demo {
    background: linear-gradient(135deg, #059669, #10b981);
    border: none;
    color: #fff;
    padding: 0.55rem 1.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-demo:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(16,185,129,0.3); }

.source-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
    padding: 0.65rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.badge {
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-aws { background: var(--aws); color: #000; }
.badge-gcp { background: var(--gcp); color: #fff; }
.badge-azure { background: var(--azure); color: #fff; }

.service-count { color: var(--text-muted); font-size: 0.8rem; }

.btn-clear {
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.25rem 0.7rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-family: inherit;
    transition: all 0.2s;
}

.btn-clear:hover { background: var(--danger); color: #fff; }

/* Results Header */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0 1rem;
}

.tabs { display: flex; gap: 0.35rem; background: var(--bg-secondary); padding: 0.25rem; border-radius: 10px; }

.tab {
    padding: 0.4rem 1rem;
    background: transparent;
    border: none;
    border-radius: 7px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s;
}

.tab:hover { color: var(--text-primary); }
.tab.active { background: var(--accent); color: #fff; }

.export-btns { display: flex; gap: 0.4rem; }

.btn-export {
    padding: 0.4rem 0.9rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75rem;
    font-family: inherit;
    transition: all 0.2s;
}

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

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
}

.card-aws::before { background: var(--aws); }
.card-gcp::before { background: var(--gcp); }
.card-azure::before { background: var(--azure); }

.card-value { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.2rem; }
.card-label { color: var(--text-muted); font-size: 0.7rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.3px; }
.card-aws .card-value { color: var(--aws); }
.card-gcp .card-value { color: var(--gcp); }
.card-azure .card-value { color: var(--azure); }

/* ===== TABLES ===== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
}

table { width: 100%; border-collapse: collapse; font-size: 0.78rem; }

th {
    background: var(--bg-card);
    padding: 0.7rem 0.6rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

td {
    padding: 0.7rem 0.6rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

tr:hover td { background: rgba(59,130,246,0.03); }
tr:last-child td { border-bottom: none; }

.col-gcp { background: rgba(66,133,244,0.03); }
.col-azure { background: rgba(14,165,233,0.03); }

.status-yes {
    color: var(--success);
    font-weight: 600;
    font-size: 0.72rem;
    background: rgba(16,185,129,0.1);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.status-no {
    color: var(--warning);
    font-weight: 600;
    font-size: 0.72rem;
    background: rgba(245,158,11,0.1);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.config-text {
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.5;
    max-width: 280px;
}

.config-toggle {
    color: var(--accent);
    cursor: pointer;
    font-size: 0.68rem;
    font-weight: 500;
    margin-top: 0.3rem;
    display: inline-block;
}

.config-toggle:hover { text-decoration: underline; }

.config-expanded { display: none; margin-top: 0.3rem; }
.config-expanded.show { display: block; }

.service-name { font-weight: 600; color: var(--text-primary); font-size: 0.82rem; }

/* Warning Section */
.warning-section {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: rgba(245,158,11,0.04);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: var(--radius);
}

.warning-section h3 { color: var(--warning); margin-bottom: 0.5rem; font-size: 0.9rem; }
.warning-section th { background: rgba(245,158,11,0.06); }

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

footer p + p { margin-top: 0.3rem; }

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--success);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(16,185,129,0.3);
}

.toast.show { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .result-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    header h1 { font-size: 1.4rem; }
    .main-nav { width: 100%; }
    .nav-btn { flex: 1; text-align: center; font-size: 0.78rem; padding: 0.55rem 0.5rem; }
    .ai-examples { flex-direction: column; }
    .catalog-grid { grid-template-columns: 1fr; }
    .summary-cards { grid-template-columns: repeat(2, 1fr); }
    .results-header { flex-direction: column; align-items: stretch; }
    .ai-msg.user { margin-left: 1rem; }
    .ai-msg.assistant { margin-right: 1rem; }
    .cloud-col { padding: 0.75rem; }
}

@media (max-width: 480px) {
    main { padding: 1rem 0.75rem; }
    .summary-cards { grid-template-columns: 1fr 1fr; }
    .nav-btn { padding: 0.5rem 0.4rem; font-size: 0.72rem; }
}