@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=JetBrains+Mono:wght@300;400;500&family=Nunito:wght@300;400;500;600;700&display=swap');

:root {
    --bg:     #0b0c0e;
    --s1:     #13151a;
    --s2:     #1a1d24;
    --s3:     #21252f;
    --bd:     #272b35;
    --bd2:    #32384a;
    --gold:   #d4a843;
    --gold2:  #b8912f;
    --blue:   #4a9eff;
    --green:  #3fcf7f;
    --red:    #e05555;
    --orange: #f0873a;
    --tx:     #dde1ea;
    --mu:     #6b7385;
    --r:      10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    background: var(--bg);
    color: var(--tx);
    font-family: 'Nunito', sans-serif;
    font-weight: 300;
    min-height: 100vh;
    line-height: 1.6;
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bd2); border-radius: 3px; }

/* TYPOGRAPHY */
h1,h2,h3,h4 { font-weight: 600; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold2); }

/* LAYOUT */
.app-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    grid-template-rows: 54px 1fr;
    min-height: 100vh;
}

/* TOPBAR */
.topbar {
    grid-column: 1 / -1;
    background: var(--s1);
    border-bottom: 1px solid var(--bd);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    color: var(--gold);
}
.topbar-logo em { color: var(--mu); font-style: italic; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-user {
    display: flex; align-items: center; gap: 8px;
    font-size: .82rem; color: var(--mu);
}
.topbar-user strong { color: var(--tx); font-weight: 500; }
.topbar-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: .6rem; padding: 3px 10px; border-radius: 20px;
    border: 1px solid var(--bd2);
}
.badge-admin  { border-color: var(--gold); color: var(--gold); background: #2a1f0a; }
.badge-user   { border-color: var(--blue); color: var(--blue); background: #0d1e35; }
.topbar-avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--s3); border: 1px solid var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-size: .75rem; font-weight: 700; color: var(--gold);
    flex-shrink: 0; cursor: default;
}
.btn-topbar {
    font-size: 1rem; color: var(--mu); background: none;
    border: 1px solid var(--bd2); border-radius: 6px;
    padding: 5px 10px; cursor: pointer; transition: all .2s;
    text-decoration: none; display: inline-flex; align-items: center;
}
.btn-topbar:hover { color: var(--gold); border-color: var(--gold); }
.btn-logout {
    font-size: .75rem; color: var(--mu); background: none;
    border: 1px solid var(--bd2); border-radius: 6px;
    padding: 5px 12px; cursor: pointer; transition: all .2s;
    font-family: 'Nunito', sans-serif;
}
.btn-logout:hover { color: var(--red); border-color: var(--red); }

/* SIDEBAR */
.sidebar {
    background: var(--s1);
    border-right: 1px solid var(--bd);
    padding: 20px 0;
    overflow-y: auto;
}
.sidebar-section { margin-bottom: 24px; }
.sidebar-section-title {
    font-size: .58rem; letter-spacing: 2px; text-transform: uppercase;
    color: var(--mu); font-family: 'JetBrains Mono', monospace;
    padding: 0 16px; margin-bottom: 6px;
}
.sidebar-link {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 16px; font-size: .82rem; color: var(--mu);
    transition: all .2s; border-left: 2px solid transparent;
    text-decoration: none;
}
.sidebar-link:hover { color: var(--tx); background: var(--s2); }
.sidebar-link.active { color: var(--gold); border-left-color: var(--gold); background: #1e1a0f; }
.sidebar-link .sl-icon { font-size: 1rem; width: 20px; text-align: center; }

/* MAIN */
.main-content {
    overflow-y: auto;
    padding: 28px 32px;
    background: var(--bg);
}

/* PAGE HEADER */
.page-header {
    margin-bottom: 28px;
    display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.page-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem; color: var(--tx); font-weight: 400;
}
.page-header p { color: var(--mu); font-size: .85rem; margin-top: 4px; }

/* CARDS */
.card {
    background: var(--s1);
    border: 1px solid var(--bd);
    border-radius: var(--r);
    overflow: hidden;
}
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--bd);
    display: flex; align-items: center; justify-content: space-between;
}
.card-title { font-size: .9rem; font-weight: 600; }
.card-body { padding: 20px; }

/* STAT CARDS */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 28px; }
.stat-card {
    background: var(--s1); border: 1px solid var(--bd);
    border-radius: var(--r); padding: 18px 20px;
    display: flex; flex-direction: column; gap: 6px;
}
.stat-card .sv {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.6rem; font-weight: 500; color: var(--gold);
}
.stat-card .sl { font-size: .72rem; color: var(--mu); letter-spacing: .5px; text-transform: uppercase; }
.stat-card .si { font-size: 1.4rem; margin-bottom: 4px; }

/* TABLES */
.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.data-table th {
    padding: 10px 14px; text-align: left;
    background: var(--s2); color: var(--mu);
    font-size: .65rem; letter-spacing: 1.5px; text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
    border-bottom: 1px solid var(--bd2);
}
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--bd); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--s2); }
.data-table .empty-row td { text-align: center; color: var(--mu); padding: 32px; }

/* BADGES */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 20px;
    font-size: .62rem; font-family: 'JetBrains Mono', monospace;
    font-weight: 500; letter-spacing: .5px; border: 1px solid;
}
.badge-beklemede { color: var(--orange); border-color: var(--orange); background: #2a1e0a; }
.badge-aktif     { color: var(--green);  border-color: var(--green);  background: #0d2a1c; }
.badge-red       { color: var(--red);    border-color: var(--red);    background: #2a1212; }
.badge-onaysiz   { color: var(--mu);     border-color: var(--bd2);    background: var(--s3); }
.badge-onayli    { color: var(--green);  border-color: var(--green);  background: #0d2a1c; }
.badge-pdf  { color: var(--red);    border-color: var(--red);    background: #2a1212; }
.badge-docx { color: var(--blue);   border-color: var(--blue);   background: #0d1e35; }
.badge-txt  { color: var(--mu);     border-color: var(--bd2);    background: var(--s3); }
.badge-md   { color: var(--orange); border-color: var(--orange); background: #2a1e0a; }

/* FORMS */
.form-group { margin-bottom: 18px; }
.form-label {
    display: block; margin-bottom: 6px;
    font-size: .72rem; color: var(--mu);
    letter-spacing: .5px; font-family: 'JetBrains Mono', monospace;
}
.form-control {
    width: 100%; background: var(--s2);
    border: 1px solid var(--bd2); border-radius: 8px;
    color: var(--tx); font-family: 'Nunito', sans-serif;
    font-size: .88rem; padding: 10px 14px; outline: none;
    transition: border .2s;
}
.form-control:focus { border-color: var(--gold); }
.form-control::placeholder { color: var(--mu); }
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7385' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}
.form-hint { font-size: .7rem; color: var(--mu); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-error { color: var(--red); font-size: .75rem; margin-top: 4px; }

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 18px; border-radius: 8px; border: none;
    font-family: 'Nunito', sans-serif; font-size: .82rem; font-weight: 600;
    cursor: pointer; transition: all .2s; text-decoration: none;
}
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-primary  { background: var(--gold); color: #0b0c0e; }
.btn-primary:hover:not(:disabled)  { background: var(--gold2); transform: translateY(-1px); }
.btn-blue     { background: var(--blue); color: #fff; }
.btn-blue:hover:not(:disabled)     { background: #3a8ee8; }
.btn-green    { background: var(--green); color: #0b0c0e; }
.btn-green:hover:not(:disabled)    { background: #2fb86a; }
.btn-red      { background: var(--red); color: #fff; }
.btn-red:hover:not(:disabled)      { background: #c94444; }
.btn-ghost {
    background: none; border: 1px solid var(--bd2); color: var(--mu);
}
.btn-ghost:hover:not(:disabled) { border-color: var(--bd2); color: var(--tx); background: var(--s2); }
.btn-sm { padding: 5px 12px; font-size: .75rem; }
.btn-xs { padding: 3px 9px; font-size: .68rem; border-radius: 6px; }

/* FLASH */
.flash {
    padding: 12px 18px; border-radius: 8px; margin-bottom: 20px;
    font-size: .85rem; border: 1px solid;
}
.flash-ok   { background: #0d2a1c; border-color: var(--green); color: var(--green); }
.flash-error{ background: #2a1212; border-color: var(--red);   color: var(--red);   }
.flash-warn { background: #2a1e0a; border-color: var(--orange);color: var(--orange);}

/* DROPZONE */
.dropzone {
    border: 2px dashed var(--bd2); border-radius: var(--r);
    padding: 36px 24px; text-align: center; cursor: pointer;
    transition: all .2s; background: var(--s2);
}
.dropzone:hover, .dropzone.over { border-color: var(--gold); background: #1e1a0f; }
.dropzone .dz-icon { font-size: 2rem; margin-bottom: 10px; opacity: .6; }
.dropzone p { font-size: .82rem; color: var(--mu); line-height: 1.6; }
.dropzone p strong { color: var(--gold); }

/* PROGRESS */
.prog { height: 3px; background: var(--bd); border-radius: 2px; overflow: hidden; }
.prog-bar { height: 100%; background: var(--gold); border-radius: 2px; transition: width .3s; }

/* MODAL */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.7);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000; padding: 20px;
}
.modal {
    background: var(--s1); border: 1px solid var(--bd2);
    border-radius: var(--r); width: 100%; max-width: 520px;
    max-height: 90vh; overflow-y: auto;
}
.modal-header {
    padding: 16px 20px; border-bottom: 1px solid var(--bd);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: .95rem; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--mu); cursor: pointer; font-size: 1.2rem; }
.modal-body { padding: 20px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--bd); display: flex; justify-content: flex-end; gap: 8px; }

/* AUTH PAGE */
.auth-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 24px; background: var(--bg);
}
.auth-box {
    width: 100%; max-width: 440px;
    background: var(--s1); border: 1px solid var(--bd);
    border-radius: var(--r); overflow: hidden;
}
.auth-logo {
    text-align: center; padding: 28px 24px 20px;
    border-bottom: 1px solid var(--bd);
}
.auth-logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem; color: var(--gold); font-weight: 400;
}
.auth-logo h1 em { color: var(--mu); font-style: italic; }
.auth-logo p { font-size: .75rem; color: var(--mu); margin-top: 4px; }
.auth-body { padding: 24px; }
.auth-tabs { display: flex; border-bottom: 1px solid var(--bd); margin-bottom: 24px; }
.auth-tab {
    flex: 1; padding: 10px; text-align: center; font-size: .82rem;
    color: var(--mu); cursor: pointer; border-bottom: 2px solid transparent;
    transition: all .2s;
}
.auth-tab.active { color: var(--gold); border-bottom-color: var(--gold); }

/* TRAINING PANEL */
.training-status {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 18px; border-radius: 8px; border: 1px solid;
    margin-bottom: 20px;
}
.ts-active  { background: #0d2a1c; border-color: var(--green); }
.ts-none    { background: var(--s2); border-color: var(--bd2); }
.ts-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.ts-dot.on  { background: var(--green); box-shadow: 0 0 8px var(--green); }
.ts-dot.off { background: var(--mu); }

/* KNOWLEDGE PANEL (NLP VIZ) */
.word-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.w-chip {
    padding: 3px 10px; border-radius: 20px; background: var(--s3);
    border: 1px solid var(--bd2); font-family: 'JetBrains Mono', monospace;
    transition: all .2s;
}
.w-chip:hover { border-color: var(--gold); color: var(--gold); }

/* GENERATE PAGE */
.gen-layout { display: grid; grid-template-columns: 1fr 340px; gap: 24px; }
.src-chips  { display: flex; flex-wrap: wrap; gap: 7px; }
.src-chip {
    padding: 6px 13px; border-radius: 20px; font-size: .78rem;
    border: 1px solid var(--bd2); background: var(--s2); cursor: pointer; transition: all .2s;
}
.src-chip:hover { background: var(--s3); }
.src-chip.on { border-color: var(--gold); background: #2a1f0a; color: var(--gold); }
.src-chip.all.on { border-color: var(--green); background: #0d2a1c; color: var(--green); }
.opt-row { display: flex; flex-wrap: wrap; gap: 8px; }
.opt-btn {
    padding: 7px 14px; border-radius: 7px; font-size: .78rem; cursor: pointer;
    border: 1px solid var(--bd2); background: var(--s2); color: var(--mu); transition: all .2s;
    font-family: 'Nunito', sans-serif;
}
.opt-btn:hover { color: var(--tx); }
.opt-btn.on { border-color: var(--gold); background: #2a1f0a; color: var(--gold); }
.rd-row { display: flex; align-items: center; gap: 12px; }
.rd-row input[type=range] { flex: 1; accent-color: var(--gold); }
.rd-val { font-family: 'JetBrains Mono', monospace; font-size: .75rem; color: var(--gold); min-width: 50px; }

/* OUTPUT */
.out-text { font-size: .93rem; line-height: 1.9; color: var(--tx); }
.out-text h1 { font-family: 'Playfair Display', serif; font-size: 1.5rem; color: var(--gold); margin: 0 0 .6em; border-bottom: 1px solid var(--bd); padding-bottom: .4em; }
.out-text h2 { font-family: 'Playfair Display', serif; font-size: 1.15rem; color: var(--tx); margin: 1.4em 0 .5em; }
.out-text h3 { font-size: .95rem; color: var(--gold); margin: 1.2em 0 .4em; font-weight: 600; }
.out-text p  { margin-bottom: .9em; }
.out-text ul, .out-text ol { margin: .5em 0 .9em 1.4em; }
.out-text li { margin-bottom: .3em; }
.out-text table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: .85rem; }
.out-text th { background: var(--s2); padding: 8px 12px; text-align: left; border: 1px solid var(--bd2); color: var(--gold); }
.out-text td { padding: 7px 12px; border: 1px solid var(--bd); }
.out-text tr:nth-child(even) td { background: var(--s1); }
.out-text blockquote { border-left: 3px solid var(--gold); padding: 4px 0 4px 16px; color: var(--mu); font-style: italic; margin: 1em 0; }
.out-text hr { border: none; border-top: 1px solid var(--bd); margin: 1.5em 0; }
.cite-tag {
    display: inline; background: #1e2a18; border: 1px solid #3a5530;
    color: var(--green); font-size: .7em; padding: 1px 6px; border-radius: 10px;
    font-family: 'JetBrains Mono', monospace; cursor: default; vertical-align: middle;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .app-layout { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .gen-layout { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
}

/* UTILS */
.text-muted  { color: var(--mu); }
.text-gold   { color: var(--gold); }
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-sm     { font-size: .8rem; }
.text-xs     { font-size: .7rem; }
.mono        { font-family: 'JetBrains Mono', monospace; }
.mt-4        { margin-top: 4px; }
.mt-8        { margin-top: 8px; }
.mt-16       { margin-top: 16px; }
.mt-24       { margin-top: 24px; }
.mb-16       { margin-bottom: 16px; }
.mb-24       { margin-bottom: 24px; }
.flex        { display: flex; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.gap-8       { gap: 8px; }
.gap-12      { gap: 12px; }
.w-full      { width: 100%; }