/* ===================================================================
   Kamila Tursynbaeva — Web Coding Loader
   Custom theme (glassmorphism / gradient / soft-UI)
   =================================================================== */

:root {
    --tk-bg-1: #1e1b4b;      /* deep indigo   */
    --tk-bg-2: #4c1d95;      /* violet        */
    --tk-bg-3: #7c3aed;      /* purple accent */
    --tk-accent: #a855f7;    /* light purple  */
    --tk-accent-2: #ec4899;  /* pink          */
    --tk-glass: rgba(255, 255, 255, 0.08);
    --tk-glass-strong: rgba(255, 255, 255, 0.14);
    --tk-border: rgba(255, 255, 255, 0.18);
    --tk-text: #f5f3ff;
    --tk-text-muted: #c4b5fd;
    --tk-radius: 22px;
    --tk-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif !important;
    color: var(--tk-text) !important;
    background: linear-gradient(135deg, var(--tk-bg-1) 0%, var(--tk-bg-2) 55%, var(--tk-bg-3) 100%) !important;
    background-attachment: fixed !important;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* floating decorative blobs */
body::before,
body::after {
    content: "";
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    z-index: 0;
    pointer-events: none;
}
body::before {
    width: 480px; height: 480px;
    background: radial-gradient(circle, var(--tk-accent) 0%, transparent 70%);
    top: -140px; right: -120px;
    animation: tkFloat 14s ease-in-out infinite;
}
body::after {
    width: 420px; height: 420px;
    background: radial-gradient(circle, var(--tk-accent-2) 0%, transparent 70%);
    bottom: -160px; left: -120px;
    animation: tkFloat 18s ease-in-out infinite reverse;
}
@keyframes tkFloat {
    0%,100% { transform: translate(0,0) scale(1); }
    50%     { transform: translate(30px,-40px) scale(1.08); }
}

/* keep real content above blobs */
.navbar, .container, footer { position: relative; z-index: 2; }

/* ---------- Navbar ---------- */
.navbar {
    background: rgba(20, 16, 55, 0.55) !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--tk-border);
    box-shadow: 0 6px 30px rgba(0,0,0,0.25) !important;
    padding-top: .8rem; padding-bottom: .8rem;
}
.navbar-brand {
    background: linear-gradient(90deg, #fff, var(--tk-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: .3px;
    font-size: .95rem !important;
}
.navbar .nav-link {
    color: var(--tk-text-muted) !important;
    font-weight: 500;
    border-radius: 12px;
    padding: .4rem .9rem !important;
    margin: 0 .15rem;
    transition: all .25s ease;
}
.navbar .nav-link:hover { color: #fff !important; background: var(--tk-glass); }
.navbar .nav-link.active {
    color: #fff !important;
    background: linear-gradient(90deg, var(--tk-bg-3), var(--tk-accent));
    box-shadow: 0 6px 18px rgba(168,85,247,.4);
}
.navbar .btn-outline-light {
    border-color: var(--tk-border);
    border-radius: 10px;
    font-weight: 600;
}
.navbar .btn-outline-light.active,
.navbar .btn-outline-light:hover {
    background: var(--tk-glass-strong);
    border-color: var(--tk-accent);
}
.navbar .bi-instagram { transition: transform .25s ease, color .25s; }
.navbar .bi-instagram:hover { transform: scale(1.2) rotate(-6deg); color: var(--tk-accent-2) !important; }

/* ---------- Glass card ---------- */
.card {
    background: var(--tk-glass) !important;
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border: 1px solid var(--tk-border) !important;
    border-radius: var(--tk-radius) !important;
    box-shadow: var(--tk-shadow) !important;
    animation: tkRise .7s cubic-bezier(.2,.8,.2,1);
}
@keyframes tkRise {
    from { opacity: 0; transform: translateY(26px); }
    to   { opacity: 1; transform: translateY(0); }
}
.card-body { color: var(--tk-text); }

/* headings */
h2 {
    color: #fff !important;
    font-weight: 700;
    letter-spacing: .3px;
}
h2::after {
    content: "";
    display: block;
    width: 70px; height: 4px;
    margin: 14px auto 0;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--tk-accent), var(--tk-accent-2));
}

/* ---------- Form controls ---------- */
.form-control, .form-select {
    background: rgba(255,255,255,0.06) !important;
    border: 1px solid var(--tk-border) !important;
    color: var(--tk-text) !important;
    border-radius: 14px !important;
    transition: all .25s ease;
}
.form-control::placeholder { color: rgba(196,181,253,.6) !important; }
.form-control:focus, .form-select:focus {
    background: rgba(255,255,255,0.1) !important;
    border-color: var(--tk-accent) !important;
    box-shadow: 0 0 0 .25rem rgba(168,85,247,.25) !important;
    color: #fff !important;
}
.form-label { color: var(--tk-text-muted) !important; font-weight: 500; }
textarea.form-control { font-family: 'JetBrains Mono', 'Courier New', monospace !important; font-size: .9rem; line-height: 1.55; }

/* ---------- Buttons ---------- */
.btn {
    border-radius: 14px !important;
    font-weight: 600;
    letter-spacing: .2px;
    transition: transform .2s ease, box-shadow .25s ease, filter .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: linear-gradient(90deg, var(--tk-bg-3), var(--tk-accent)) !important;
    border: none !important;
    box-shadow: 0 10px 26px rgba(124,58,237,.45) !important;
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 14px 32px rgba(124,58,237,.55) !important; }

.btn-success {
    background: linear-gradient(90deg, #10b981, #22d3ee) !important;
    border: none !important;
    box-shadow: 0 10px 26px rgba(16,185,129,.4) !important;
}
.btn-success:hover { filter: brightness(1.08); }

.btn-outline-primary {
    color: var(--tk-accent) !important;
    border: 1px solid var(--tk-accent) !important;
    background: rgba(168,85,247,.08) !important;
}
.btn-outline-primary:hover {
    background: var(--tk-accent) !important;
    color: #fff !important;
    box-shadow: 0 10px 26px rgba(168,85,247,.45) !important;
}
.btn-outline-secondary {
    color: var(--tk-text-muted) !important;
    border-color: var(--tk-border) !important;
    background: var(--tk-glass) !important;
}
.btn-outline-secondary:hover {
    background: var(--tk-glass-strong) !important;
    color: #fff !important;
    border-color: var(--tk-accent) !important;
}

/* ---------- Result blocks / links ---------- */
#publishResult, #bundleResult, #uploadResult, #preview-container { margin-top: 1.5rem; }
#publishResult a, #uploadResult a, #bundleResult a { color: var(--tk-accent) !important; word-break: break-all; }
#preview-container img, #uploadResult img { border-radius: 14px; box-shadow: var(--tk-shadow); max-width: 100%; margin-top: 1rem; }
.alert {
    background: var(--tk-glass-strong) !important;
    border: 1px solid var(--tk-border) !important;
    color: var(--tk-text) !important;
    border-radius: 14px !important;
}

/* ---------- Footer ---------- */
footer {
    background: rgba(20, 16, 55, 0.55) !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-top: 1px solid var(--tk-border) !important;
    color: var(--tk-text-muted) !important;
}
footer .bi-instagram { color: var(--tk-text-muted) !important; transition: transform .25s, color .25s; }
footer .bi-instagram:hover { color: var(--tk-accent-2) !important; transform: scale(1.2) rotate(-6deg); }

/* text-muted override for dark bg */
.text-muted { color: var(--tk-text-muted) !important; }
.text-primary { color: #fff !important; }

/* file input button */
.form-control[type=file]::file-selector-button {
    background: linear-gradient(90deg, var(--tk-bg-3), var(--tk-accent));
    color: #fff; border: none; border-radius: 10px;
    padding: .5rem 1rem; margin-right: 1rem; cursor: pointer;
    transition: filter .2s;
}
.form-control[type=file]::file-selector-button:hover { filter: brightness(1.1); }

/* responsive polish */
@media (max-width: 576px) {
    .card-body { padding: 1.75rem !important; }
    .d-flex.gap-3 { flex-direction: column; }
}