/* =========================================================================
   Nexa Tema — Streamlit (ui/streamlit_main.py) ile birebir aynı palet
   ========================================================================= */
:root {
    --nexa-purple: #44307D;
    --nexa-teal: #21AEB2;
    --nexa-bg: #F3F3F6;
    --nexa-card: #ECECF2;
    --nexa-text: #1F2430;
    --nexa-text-muted: #666A78;
    --nexa-border: #D9DAE3;
    --nexa-lavender: #6B5FA5;
    --nexa-soft-gray: #8B90A3;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: linear-gradient(180deg, var(--nexa-bg) 0%, #ffffff 65%);
    color: var(--nexa-text);
    font-family: "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    min-height: 100vh;
}

/* --------- Layout (sidebar + ana içerik) --------- */
.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: var(--nexa-card);
    border-right: 1px solid var(--nexa-border);
    padding: 1rem 1.2rem 1.5rem 1.2rem;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    align-self: flex-start;
    overflow-y: auto;
}

.sidebar-content { flex: 1; }

.sidebar-logo {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--nexa-border);
    text-align: center;
}

.sidebar-logo img {
    max-width: 40%;
    max-height: 40px;
    height: auto;
    opacity: 0.95;
}

.sidebar h3 {
    color: var(--nexa-purple);
    margin: 0.5rem 0 1rem 0;
}

.sidebar .field {
    margin-bottom: 1.2rem;
}

.sidebar label {
    display: block;
    font-weight: 600;
    color: var(--nexa-text);
    margin-bottom: 0.35rem;
    font-size: 0.92rem;
}

.sidebar input[type="range"] {
    width: 100%;
    accent-color: var(--nexa-teal);
}

.sidebar .range-value {
    color: var(--nexa-teal);
    font-weight: 700;
    font-size: 0.9rem;
}

.sidebar hr {
    border: none;
    border-top: 1px solid var(--nexa-border);
    margin: 1.2rem 0;
}

.main {
    flex: 1;
    padding: 2rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}


/* Sekmeler: baslik sidebar'a tasindi, sekmeler yukari kaydi; sayfa kaysa da ustte SABIT kalir */
.main-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--nexa-bg);
    padding: 1rem 0 0 0;
    margin-bottom: 1.5rem;
    box-shadow: 0 6px 10px -8px rgba(31, 36, 48, 0.25);
    border-bottom: 1px solid var(--nexa-border);
}

/* Baslik + alt baslik: sidebar'in ustunde (parametrelerin eski yeri) */
/* Baslik blogu: cizgiler yazi genisliginde, tum blok ortali */
.brand {
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

.app-title {
    color: var(--nexa-purple);
    font-weight: 800;
    margin: 0.5rem 0;
    letter-spacing: 0.2px;
    font-size: 1.5rem;
    line-height: 1.3;
    text-align: center;
}

/* Baslik alt/ust cizgileri — yazi genisliginde, Nexa teal */
.title-rule {
    border: none;
    height: 3px;
    width: 100%;
    margin: 0.5rem 0;
    border-radius: 2px;
    background: var(--nexa-teal);
}

.app-subtitle {
    color: var(--nexa-text-muted);
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

h1, h2, h3, h4, h5 { color: var(--nexa-purple); margin-top: 0.5rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

hr { border: none; border-top: 1px solid var(--nexa-border); margin: 1.2rem 0; }

/* --------- Sigorta Türü seçici (Oto / Konut) --------- */
.insurance-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 0 12px 0;
}

.insurance-switch .switch-label {
    color: var(--nexa-text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    margin-right: 2px;
}

.ins-btn {
    background-color: var(--nexa-card);
    border: 1px solid var(--nexa-border);
    border-radius: 999px;
    color: var(--nexa-purple);
    padding: 6px 20px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.15s, color 0.15s;
}

.ins-btn:hover {
    background-color: #dcdcea;
}

.ins-btn.active {
    background-color: var(--nexa-teal);
    border-color: var(--nexa-teal);
    color: #ffffff;
}

/* --------- Tabs --------- */
.tabs {
    display: flex;
    gap: 8px;
    margin: 0;
    flex-wrap: wrap;
    padding: 0;
    align-self: flex-end;
}

.tab-btn {
    background-color: var(--nexa-card);
    border: none;
    border-radius: 10px 10px 0 0;
    color: var(--nexa-purple);
    padding: 10px 18px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background-color 0.15s;
}

.tab-btn:hover {
    background-color: #dcdcea;
}

.tab-btn.active {
    background-color: var(--nexa-purple);
    color: #ffffff;
}

.tab-body {
    min-height: 200px;
}

/* --------- Analiz parametreleri kutusu (sekme icinde) --------- */
.params-box {
    background: #ffffff;
    border: 1px solid var(--nexa-border);
    border-radius: 10px;
    padding: 0.6rem 0.8rem 0.3rem 0.8rem;
    margin: 0 0 1rem 0;
    max-width: 640px;
}

.params-box h4 {
    color: var(--nexa-purple);
    margin: 0 0 0.4rem 0;
    font-size: 0.95rem;
}

.params-box .row { gap: 1rem; }

.params-box .field { margin-bottom: 0.4rem; min-width: 200px; }

.params-box label {
    display: block;
    font-weight: 600;
    color: var(--nexa-text);
    margin-bottom: 0.2rem;
    font-size: 0.82rem;
}

.params-box input[type="range"] {
    width: 100%;
    accent-color: var(--nexa-teal);
}

.params-box .range-value {
    color: var(--nexa-teal);
    font-weight: 700;
    font-size: 0.82rem;
}

/* --------- Buttons --------- */
.btn {
    background-color: var(--nexa-teal);
    color: #ffffff;
    border: 1px solid var(--nexa-teal);
    border-radius: 12px;
    font-weight: 600;
    padding: 10px 18px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background-color 0.15s, border-color 0.15s;
}

.btn:hover {
    background-color: #1b9ca0;
    border-color: #1b9ca0;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-block { width: 100%; }

.btn-secondary {
    background: #ffffff;
    color: var(--nexa-purple);
    border: 1px solid var(--nexa-border);
}

.btn-secondary:hover {
    background: var(--nexa-card);
    border-color: var(--nexa-purple);
}

/* --------- File uploader --------- */
.uploader {
    border: 2px dashed var(--nexa-border);
    border-radius: 12px;
    background: #ffffff;
    padding: 1.5rem;
    text-align: center;
    transition: border-color 0.15s;
    cursor: pointer;
}

.uploader:hover { border-color: var(--nexa-teal); }
.uploader.dragover { border-color: var(--nexa-purple); background: #faf9ff; }

.uploader label { cursor: pointer; color: var(--nexa-text-muted); }
.uploader input[type="file"] { display: none; }

.uploader-caption {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--nexa-text-muted);
}

/* --------- Grid (Streamlit st.columns benzeri) --------- */
.row { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.col { flex: 1; min-width: 280px; }
.col-1-1 > * { flex: 1; }

/* --------- Image preview --------- */
.image-card {
    background: #ffffff;
    border: 1px solid var(--nexa-border);
    border-radius: 12px;
    padding: 0.75rem;
    text-align: center;
}

.image-card img {
    max-width: 100%;
    max-height: 360px;
    height: auto;
    border-radius: 8px;
    object-fit: contain;
}

.image-caption {
    font-size: 0.85rem;
    color: var(--nexa-text-muted);
    margin-top: 0.5rem;
}

/* --------- Alerts --------- */
.alert {
    background: #ffffff;
    border: 1px solid var(--nexa-border);
    border-left: 4px solid var(--nexa-teal);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    margin: 0.75rem 0;
    color: var(--nexa-text);
}

.alert-info { border-left-color: var(--nexa-teal); }
.alert-success { border-left-color: #2e8b57; }
.alert-warning { border-left-color: #d49b1f; }
.alert-error { border-left-color: #c0392b; }

/* --------- Result card --------- */
.result-card {
    padding: 25px;
    border-radius: 10px;
    margin: 20px 0;
    border: 3px solid;
}

.result-card h2 {
    margin: 0;
    text-align: center;
}

.result-card hr {
    margin: 15px 0;
    border-top-width: 2px;
}

.result-card p {
    margin: 10px 0;
    text-align: center;
    font-size: 1.3em;
}

/* --------- Expander --------- */
.expander {
    border: 1px solid var(--nexa-border);
    border-radius: 12px;
    background-color: #ffffff;
    margin: 0.75rem 0;
    overflow: hidden;
}

.expander summary {
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--nexa-purple);
    user-select: none;
    list-style: none;
}

.expander summary::-webkit-details-marker { display: none; }
.expander summary::before { content: "▸ "; }
.expander[open] summary::before { content: "▾ "; }

.expander-body {
    padding: 0.75rem 1rem 1rem 1rem;
    color: var(--nexa-text);
}

/* --------- Spinner --------- */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid #ddd;
    border-top-color: var(--nexa-teal);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

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

.htmx-indicator {
    display: none;
    color: var(--nexa-text-muted);
    align-items: center;
    margin-top: 0.75rem;
}

.htmx-request .htmx-indicator { display: flex; }
.htmx-request.htmx-indicator { display: flex; }

/* --------- Code/path --------- */
code {
    background: var(--nexa-card);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.88em;
}

.muted { color: var(--nexa-text-muted); }

/* --------- VLM stream log --------- */
.vlm-log-box {
    border: 1px solid var(--nexa-border);
    border-left: 4px solid var(--nexa-teal);
    border-radius: 10px;
    background: #ffffff;
    margin: 0.5rem 0 1rem 0;
    overflow: hidden;
}

.vlm-log-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    background: var(--nexa-card);
    color: var(--nexa-purple);
    border-bottom: 1px solid var(--nexa-border);
    font-size: 0.95rem;
}

.vlm-log-body {
    padding: 0.6rem 0.9rem;
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 0.85rem;
    color: var(--nexa-text);
    max-height: 280px;
    overflow-y: auto;
    background: #fbfbfd;
    line-height: 1.5;
}

.vlm-log-body > div {
    padding: 2px 0;
}