:root {
    --bg-dark: #1e1e2e; --bg-panel: #282a36; --sidebar-bg: #21222c;
    --accent: #bd93f9; --accent-hover: #ff79c6; --text-main: #f8f8f2;
    --text-dim: #6272a4; --border: #44475a; --success: #50fa7b;
    --error: #ff5555;
    --sidebar-width: 280px;
    --editor-ratio: 50%;
    --canvas-ratio: 50%;
    --block-motion: #4c97ff;
    --block-motion-dark: #3d7dd6;
    --block-pen: #2ecc71;
    --block-pen-dark: #25a25a;
    --block-colors: #8bc34a;
    --block-colors-dark: #6ea037;
    --block-shapes: #9b59b6;
    --block-shapes-dark: #7d4795;
    --block-fill: #ff4da6;
    --block-fill-dark: #d63c89;
    --block-control: #ffab19;
    --block-control-dark: #cf8b13;
    --block-vars: #d2691e;
    --block-vars-dark: #a85415;
    --block-math: #1e8449;
    --block-math-dark: #166638;
    --block-screen: #8c99a3;
    --block-screen-dark: #6f7a82;
}

body.light-mode {
    --bg-dark: #f5f5f5; --bg-panel: #ffffff; --sidebar-bg: #e0e0e0;
    --accent: #007acc; --accent-hover: #005f99; --text-main: #1e1e2e;
    --text-dim: #666666; --border: #dddddd; --success: #28a745;
    --error: #dc3545;
}

* { box-sizing: border-box; outline: none; }
body {
    margin: 0; padding: 0; background-color: var(--bg-dark); color: var(--text-main);
    font-family: 'Poppins', sans-serif; height: 100vh; overflow: hidden; display: flex;
}

/* ===================== SIDEBAR ===================== */
#sidebar { width: var(--sidebar-width); background-color: var(--sidebar-bg); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; overflow-y: auto; }
.logo-area { padding: 20px; font-size: 1.4rem; font-weight: 700; color: var(--accent); display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.menu-label { padding: 20px 20px 10px; font-size: 0.8rem; text-transform: uppercase; color: var(--text-dim); letter-spacing: 1px; font-weight: 600; }

.accordion-toggle {
    width: calc(100% - 20px); margin: 6px 10px 0; background: transparent; border: none;
    color: var(--text-dim); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px;
    font-weight: 600; padding: 14px 10px; cursor: pointer; border-radius: 8px;
    display: flex; align-items: center; justify-content: space-between; transition: all 0.2s;
}
.accordion-toggle:hover { background-color: var(--border); color: var(--accent); }
.accordion-icon { transition: transform 0.2s; font-size: 0.75rem; }
.accordion-toggle.open .accordion-icon { transform: rotate(180deg); }

.accordion-body {
    max-height: 0; overflow: hidden; transition: max-height 0.25s ease;
    padding: 0 10px; margin: 0;
}
.accordion-body.open { max-height: 800px; padding: 4px 10px 10px; }
.menu-list { list-style: none; padding: 0 10px; margin: 0; }
.menu-list button {
    width: 100%; background: transparent; border: none; color: var(--text-main);
    padding: 12px 15px; text-align: left; border-radius: 8px; cursor: pointer;
    transition: all 0.2s; display: flex; align-items: center; gap: 12px; font-size: 0.9rem;
}
.menu-list button:hover { background-color: var(--border); color: var(--accent); }

/* ===================== BLOK KATEGORİLERİ ===================== */
.rail-btn {
    width: calc(100% - 20px); margin: 4px 10px 0; background: transparent; border: none;
    color: var(--text-dim); text-transform: uppercase; font-size: 0.78rem; letter-spacing: 1px;
    font-weight: 600; padding: 12px 10px; cursor: pointer; border-radius: 8px;
    display: flex; align-items: center; justify-content: flex-start; transition: all 0.15s;
    border-left: 3px solid transparent;
}
.rail-btn:hover { background-color: var(--border); color: var(--accent); }
.rail-btn.active { background-color: var(--border); color: var(--text-main); border-left-color: var(--accent); }
.rail-btn .swatch { width: 10px; height: 10px; border-radius: 3px; margin-right: 8px; flex-shrink: 0; }
.rail-btn .toggle-label { display: flex; align-items: center; }

/* ===================== BLOK FLYOUT ===================== */
.block-flyout {
    position: fixed; top: 60px; left: var(--sidebar-width);
    width: 280px; height: calc(100vh - 60px);
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border);
    box-shadow: 8px 0 24px rgba(0,0,0,0.4);
    display: flex; flex-direction: column;
    transform: translateX(-16px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.18s ease, opacity 0.18s ease;
    z-index: 500;
}
.block-flyout.open { transform: translateX(0); opacity: 1; pointer-events: auto; }
.flyout-header {
    padding: 14px 16px; display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.flyout-header span { font-weight: 700; color: var(--text-main); font-size: 0.95rem; }
.flyout-close {
    background: transparent; border: none; color: var(--text-dim); cursor: pointer;
    font-size: 1rem; width: 26px; height: 26px; border-radius: 6px; transition: all 0.15s;
}
.flyout-close:hover { background: var(--border); color: var(--error); }
#flyoutPalette {
    padding: 14px 16px; overflow-y: auto; flex: 1;
}
#flyoutPalette::-webkit-scrollbar { width: 6px; }
#flyoutPalette::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ===================== KOD BLOKLARI ===================== */
.block-palette { display: flex; flex-direction: column; }

.code-block {
    position: relative;
    display: flex; align-items: center; gap: 8px;
    padding: 9px 12px;
    border-radius: 7px;
    color: #ffffff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: grab;
    user-select: none;
    margin-bottom: 7px;
    box-shadow: 0 2px 0 rgba(0,0,0,0.25), 0 3px 6px rgba(0,0,0,0.15);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.code-block:last-child { margin-bottom: 0; }
.code-block:hover { transform: translateY(-1px); box-shadow: 0 3px 0 rgba(0,0,0,0.25), 0 5px 10px rgba(0,0,0,0.2); }
.code-block:active, .code-block.dragging { cursor: grabbing; opacity: 0.65; transform: scale(0.98); }
.code-block .grip { opacity: 0.6; font-size: 0.65rem; flex-shrink: 0; }
.code-block .label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.code-block .hint { font-size: 0.62rem; opacity: 0.8; font-weight: 400; font-family: 'Poppins', sans-serif; flex-shrink: 0; }

.value-badge { flex-shrink: 0; cursor: pointer; transition: transform 0.1s ease; }
.value-badge:hover { transform: scale(1.08); }
.number-badge {
    background: rgba(0,0,0,0.28); color: #fff; border-radius: 5px;
    padding: 2px 7px; font-size: 0.75rem; font-weight: 700; min-width: 20px; text-align: center;
}
.color-badge {
    width: 18px; height: 18px; border-radius: 4px; border: 2px solid rgba(255,255,255,0.7);
    box-shadow: 0 0 0 1px rgba(0,0,0,0.25);
}

.value-popup {
    position: fixed; z-index: 700; width: 190px;
    background: #ffffff; border-radius: 16px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.45);
    padding: 12px; display: none;
}
.value-popup.open { display: block; }
.numpad-display {
    background: #eef0f2; border-radius: 8px; padding: 10px 12px; text-align: right;
    font-size: 1.3rem; font-weight: 700; color: #22252a; margin-bottom: 10px;
    font-family: 'JetBrains Mono', monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.numpad-row { display: flex; gap: 6px; margin-bottom: 6px; }
.numpad-row:last-child { margin-bottom: 0; }
.numpad-btn {
    flex: 1; border: none; border-radius: 8px; padding: 10px 0; font-size: 0.95rem; font-weight: 700;
    cursor: pointer; color: #fff; background: #4c97ff; box-shadow: 0 2px 0 rgba(0,0,0,0.15); transition: filter 0.1s;
}
.numpad-btn:hover { filter: brightness(1.08); }
.numpad-btn:active { transform: translateY(1px); }
.numpad-btn.clear { background: #e74c3c; flex: 1.6; }
.numpad-btn.del { background: #f39c12; }

.color-popup { width: 190px; }
.color-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 10px; }
.color-swatch {
    width: 100%; aspect-ratio: 1; border-radius: 6px; cursor: pointer; border: 2px solid rgba(0,0,0,0.1);
    transition: transform 0.1s ease;
}
.color-swatch:hover { transform: scale(1.1); }
.color-custom-row { display: flex; align-items: center; gap: 8px; }
.color-custom-row input[type="color"] {
    width: 36px; height: 32px; border: none; border-radius: 6px; padding: 0; cursor: pointer; background: none;
}
.color-custom-row span { font-size: 0.8rem; color: #444; font-weight: 600; }

.code-block::before {
    content: "";
    position: absolute; top: -5px; left: 14px;
    width: 22px; height: 7px;
    background: inherit;
    border-radius: 8px 8px 0 0;
}

.code-block.motion { background: var(--block-motion); border-bottom: 3px solid var(--block-motion-dark); }
.code-block.pen { background: var(--block-pen); border-bottom: 3px solid var(--block-pen-dark); }
.code-block.colors { background: var(--block-colors); border-bottom: 3px solid var(--block-colors-dark); }
.code-block.shapes { background: var(--block-shapes); border-bottom: 3px solid var(--block-shapes-dark); }
.code-block.fill { background: var(--block-fill); border-bottom: 3px solid var(--block-fill-dark); }
.code-block.control { background: var(--block-control); border-bottom: 3px solid var(--block-control-dark); }
.code-block.vars { background: var(--block-vars); border-bottom: 3px solid var(--block-vars-dark); }
.code-block.math { background: var(--block-math); border-bottom: 3px solid var(--block-math-dark); }
.code-block.screen { background: var(--block-screen); border-bottom: 3px solid var(--block-screen-dark); }
.code-block.start { background: #17a589; border-bottom: 3px solid #128a72; }

#sidebar > .code-block.start { margin: 0 10px 8px; width: calc(100% - 20px); }

/* ===================== MAIN ===================== */
#main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
header {
    height: 60px; background-color: var(--bg-panel); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; padding: 0 20px; flex-shrink: 0;
}
.toolbar { display: flex; gap: 10px; align-items: center; }

.btn {
    padding: 8px 15px; border-radius: 6px; font-weight: 600; cursor: pointer;
    display: flex; align-items: center; gap: 8px; font-size: 0.85rem; transition: all 0.2s;
    background: var(--bg-dark); color: var(--text-main); border: 1px solid var(--border);
}
.btn:hover { background-color: var(--border); }
.btn-run {
    background-color: var(--success); color: var(--bg-dark); border: none;
    box-shadow: 0 2px 4px rgba(80,250,123,0.4);
}
.btn-run:hover { opacity: 0.9; background-color: var(--success); transform: translateY(-1px); box-shadow: 0 4px 8px rgba(80,250,123,0.6); }

.workspace { flex: 1; display: flex; overflow: hidden; position: relative; }

.editor-terminal-block {
    width: var(--editor-ratio); display: flex; flex-direction: column;
    border-right: 1px solid var(--border); min-width: 380px; flex-shrink: 0;
}

.pane-editor { flex: 1; display: flex; flex-direction: column; position: relative; height: 100%; }
#editor { flex: 1; font-size: 15px; font-family: 'JetBrains Mono', monospace; }
#editor.drop-active { outline: 2px dashed var(--accent); outline-offset: -2px; }
.editor-header { padding: 8px 15px; background-color: var(--bg-panel); color: var(--text-dim); border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; flex-shrink: 0; }

.font-size-controls { position: absolute; bottom: 10px; right: 10px; z-index: 10; display: flex; gap: 5px; }
.font-size-controls button {
    width: 30px; height: 30px; background-color: var(--bg-panel); color: var(--text-main);
    border: 1px solid var(--border); border-radius: 4px; cursor: pointer; transition: background-color 0.2s;
    font-size: 1.1rem; line-height: 1;
}
.font-size-controls button:hover { background-color: var(--border); }

/* ===================== CANVAS PANEL ===================== */
#canvas-panel {
    width: var(--canvas-ratio); min-width: 360px; flex-shrink: 0;
    display: flex; flex-direction: column; overflow: hidden;
    background: #0a0a12;
    border-left: 1px solid var(--border); position: relative;
}

.canvas-panel-header {
    padding: 15px 18px; background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center; flex-shrink: 0;
}
.canvas-panel-header .title { font-weight: 600; color: var(--accent); display:flex; align-items:center; gap:8px; font-size: 0.95rem; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px var(--success); animation: pulseDot 1.6s infinite; }
@keyframes pulseDot { 0%, 100% { opacity:1; transform:scale(1); } 50% { opacity:0.4; transform:scale(1.3); } }

.canvas-stage-wrap {
    flex: 1; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.canvas-stage {
    --grid-size: 100px;
    position: relative; width: 100%; height: 100%;
    background-color: #0a0a12;
    /* Tek neon ızgara — 100px kareler, kesişim noktası ekranın tam ortasında */
    background-image:
        linear-gradient(rgba(0, 255, 255, 0.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.15) 1px, transparent 1px);
    background-size: var(--grid-size) var(--grid-size);
    /* "center" tek başına kare KENARINI değil kare ORTASINI merkeze hizalar;
       bu yüzden ok tam ortada değil, bir hücrenin içinde duruyordu.
       Yarım kare (--grid-size / 2) kaydırarak çizgi kesişimini tam merkeze getiriyoruz. */
    background-position: calc(50% + var(--grid-size) / 2) calc(50% + var(--grid-size) / 2);
    box-shadow: inset 0 0 60px rgba(0, 255, 255, 0.06);
}

#mycanvas-container {
    position: absolute; inset: 0; width: 100%; height: 100%;
    z-index: 1; opacity: 1; pointer-events: auto;
    display: flex; align-items: center; justify-content: center;
}
#mycanvas {
    width: 100%; height: 100%;
    position: relative;
}
#mycanvas canvas, #mycanvas svg {
    background: transparent !important;
    width: 100% !important;
    height: 100% !important;
    display: block !important;
    /* Neon iz — daha kalın parıltı */
    filter: drop-shadow(0 0 2px #00ffff) drop-shadow(0 0 6px #00ffff) drop-shadow(0 0 12px rgba(0, 255, 255, 0.85)) drop-shadow(0 0 22px rgba(189, 147, 249, 0.45));
}

/* Merkez çarpı — ok ızgaranın tam ortasında başlar */
.canvas-stage > .center-cross {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.canvas-stage > .center-cross::before,
.canvas-stage > .center-cross::after {
    content: "";
    position: absolute;
    background: rgba(0, 255, 255, 0.22);
}
.canvas-stage > .center-cross::before {
    left: 50%; top: 0; bottom: 0;
    width: 1px;
    transform: translateX(-0.5px);
}
.canvas-stage > .center-cross::after {
    top: 50%; left: 0; right: 0;
    height: 1px;
    transform: translateY(-0.5px);
}
.canvas-stage > .center-dot {
    position: absolute;
    left: 50%; top: 50%;
    width: 10px; height: 10px;
    margin: -5px 0 0 -5px;
    border-radius: 50%;
    background: rgba(0, 255, 255, 0.45);
    box-shadow: 0 0 8px #00ffff, 0 0 18px rgba(0,255,255,0.55);
    z-index: 0;
    pointer-events: none;
}

.canvas-empty-hint {
    position: absolute; inset: 0; z-index: 3;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 10px; color: var(--text-dim); pointer-events: none; text-align: center; padding: 20px;
}
.canvas-empty-hint i { font-size: 2.2rem; color: #00ffff; opacity: 0.55; text-shadow: 0 0 14px rgba(0, 255, 255, 0.6); }
.canvas-empty-hint span { font-size: 0.85rem; }

.canvas-panel-footer {
    padding: 10px 18px; background-color: var(--sidebar-bg); border-top: 1px solid var(--border);
    font-size: 0.72rem; color: var(--text-dim); display: flex; justify-content: space-between; flex-shrink: 0;
}

/* ===================== AI ASİSTAN ===================== */
.panel-tabs { display: flex; gap: 8px; width: 40%; }
.panel-tab {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
    background: transparent; border: 1px solid var(--border); color: var(--text-dim);
    padding: 9px 10px; border-radius: 8px; cursor: pointer; font-size: 0.85rem; font-weight: 600;
    transition: all 0.2s; font-family: 'Poppins', sans-serif;
}
.panel-tab:hover { background: var(--border); color: var(--text-main); }
.panel-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.ai-panel-embedded {
    flex: 1; display: none; flex-direction: column; overflow: hidden; background: var(--bg-panel);
}
.ai-panel-embedded.open { display: flex; }

.ai-panel-toolbar {
    display: flex; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.btn-error-check-inline {
    flex: 1; background: var(--error); color: #fff; border: none; padding: 10px 14px; border-radius: 8px;
    font-weight: 600; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px;
    font-size: 0.85rem; transition: opacity 0.2s; font-family: 'Poppins', sans-serif;
}
.btn-error-check-inline:hover { opacity: 0.85; }
.clear-chat-inline {
    background: transparent; border: 1px solid var(--border); color: var(--text-dim);
    border-radius: 8px; width: 42px; cursor: pointer; transition: all 0.2s; font-size: 1rem;
}
.clear-chat-inline:hover { background: var(--border); color: var(--error); }

#chatMessages {
    flex: 1; overflow-y: auto; padding: 20px 22px;
    display: flex; flex-direction: column; gap: 14px;
}
#chatMessages::-webkit-scrollbar { width: 6px; }
#chatMessages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.quick-prompts {
    display: flex; flex-wrap: wrap; gap: 8px;
    padding: 4px 0 8px 0; border-bottom: 1px solid var(--border); margin-bottom: 4px;
}
.quick-prompt-btn {
    padding: 6px 14px; border-radius: 20px; border: 1px solid var(--border);
    background: var(--bg-dark); color: var(--text-main);
    font-size: 0.75rem; font-weight: 500; cursor: pointer; transition: all 0.2s;
    font-family: 'Poppins', sans-serif; white-space: nowrap;
}
.quick-prompt-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: scale(1.02); }
.quick-prompt-btn i { margin-right: 4px; font-size: 0.7rem; }

.chat-msg {
    max-width: 88%; padding: 14px 18px; border-radius: 18px;
    font-size: 0.92rem; line-height: 1.6; word-wrap: break-word;
    animation: fadeInMsg 0.25s ease;
}
.chat-msg.user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.chat-msg.bot {
    align-self: flex-start; background: var(--bg-dark); color: var(--text-main);
    border-bottom-left-radius: 4px; border: 1px solid var(--border);
}

.chat-msg.bot pre {
    background: #1e1e2e !important; padding: 14px 18px !important;
    border-radius: 10px !important; overflow-x: auto !important;
    margin: 8px 0 !important; border: 1px solid var(--border); font-size: 0.82rem !important;
}
.chat-msg.bot pre code {
    font-family: 'JetBrains Mono', monospace !important; font-size: 0.82rem !important;
    background: transparent !important; padding: 0 !important; color: #f8f8f2 !important;
}
.chat-msg.bot .hljs-keyword { color: #ff79c6; }
.chat-msg.bot .hljs-built_in { color: #8be9fd; }
.chat-msg.bot .hljs-string { color: #f1fa8c; }
.chat-msg.bot .hljs-number { color: #bd93f9; }
.chat-msg.bot .hljs-comment { color: #6272a4; font-style: italic; }
.chat-msg.bot .hljs-function { color: #50fa7b; }
.chat-msg.bot .hljs-title { color: #50fa7b; }
.chat-msg.bot .hljs-params { color: #f8f8f2; }
.chat-msg.bot p { margin: 4px 0; }
.chat-msg .msg-timestamp { font-size: 0.6rem; opacity: 0.4; margin-top: 6px; display: block; }

.typing-indicator {
    display: none; align-self: flex-start;
    background: var(--bg-dark); border: 1px solid var(--border);
    padding: 14px 20px; border-radius: 18px; border-bottom-left-radius: 4px; gap: 5px;
}
.typing-indicator span {
    width: 9px; height: 9px; background: var(--text-dim);
    border-radius: 50%; display: inline-block; animation: typingDot 1.2s infinite ease-in-out;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-7px); opacity: 1; }
}
@keyframes fadeInMsg {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-input-area {
    padding: 14px 20px; border-top: 1px solid var(--border);
    display: flex; gap: 12px; flex-shrink: 0; background: var(--bg-panel);
}
.chat-input-area textarea {
    flex: 1; padding: 12px 16px; border-radius: 14px; border: 1px solid var(--border);
    background: var(--bg-dark); color: var(--text-main); font-family: 'Poppins', sans-serif;
    font-size: 0.9rem; resize: none; min-height: 48px; max-height: 120px; transition: border-color 0.2s;
}
.chat-input-area textarea:focus { border-color: var(--accent); }
.chat-input-area button {
    padding: 12px 24px; border-radius: 14px; border: none;
    background: var(--accent); color: #fff; font-weight: 600; cursor: pointer;
    transition: all 0.2s; white-space: nowrap; font-size: 0.9rem; display: flex; align-items: center; gap: 8px;
}
.chat-input-area button:hover { background: var(--accent-hover); transform: scale(1.02); }
.chat-input-area button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.copy-code-btn {
    margin-top: 8px; padding: 6px 14px; border-radius: 8px; border: none;
    background: var(--accent); color: #fff; font-weight: 600; font-size: 0.75rem;
    cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px;
}
.copy-code-btn:hover { background: var(--accent-hover); transform: scale(1.02); }

.notification-toast {
    position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 9999;
    padding: 14px 28px; border-radius: 14px; background: var(--success); color: var(--bg-dark);
    font-weight: 600; font-size: 0.95rem; box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    animation: fadeInMsg 0.3s ease; transition: opacity 0.3s ease;
}
.notification-toast.error { background: var(--error); color: #fff; }

@media (max-width: 768px) {
    .editor-terminal-block { min-width: 200px; }
    #canvas-panel { min-width: 200px; }
    .chat-msg { max-width: 92%; font-size: 0.85rem; padding: 12px 14px; }
    .quick-prompts { gap: 6px; }
    .quick-prompt-btn { font-size: 0.7rem; padding: 4px 10px; }
}
@media (max-width: 480px) {
    .chat-input-area { padding: 10px 14px; gap: 8px; }
    .chat-input-area textarea { font-size: 0.8rem; padding: 10px 12px; min-height: 40px; }
    .chat-input-area button { padding: 10px 16px; font-size: 0.8rem; }
    #chatMessages { padding: 14px 16px; gap: 10px; }
}

/* ===================== API ANAHTARI (AI Asistan üstünde) ===================== */
.ai-apikey-bar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 16px; border-bottom: 1px solid var(--border); gap: 8px;
    background: var(--sidebar-bg); flex-shrink: 0;
}
.api-status {
    font-size: 0.72rem; font-weight: 600; white-space: nowrap;
}
.api-key-btn {
    background: var(--border); border: none; color: var(--text-main);
    padding: 6px 12px; border-radius: 8px; cursor: pointer;
    font-size: 0.75rem; font-weight: 600; display: flex; align-items: center; gap: 6px;
    transition: all 0.2s; white-space: nowrap; font-family: 'Poppins', sans-serif;
}
.api-key-btn:hover { background: var(--accent); color: #fff; }

/* ===================== API KEY MODAL ===================== */
.modal-overlay {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.65); backdrop-filter: blur(4px);
    display: none; align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-box {
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: 18px; padding: 32px 28px; width: 90%; max-width: 420px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5);
    animation: fadeInMsg 0.2s ease;
}
.modal-header {
    display: flex; align-items: center; gap: 12px; margin-bottom: 14px;
}
.modal-header i { font-size: 1.4rem; color: var(--accent); }
.modal-header h2 { margin: 0; font-size: 1.15rem; color: var(--text-main); }
.modal-desc { font-size: 0.85rem; color: var(--text-dim); margin: 0 0 16px; line-height: 1.5; }
.modal-input {
    width: 100%; padding: 12px 14px; border-radius: 10px;
    border: 1px solid var(--border); background: var(--bg-dark); color: var(--text-main);
    font-family: 'JetBrains Mono', monospace; font-size: 0.88rem;
    margin-bottom: 12px; transition: border-color 0.2s;
}
.modal-input:focus { border-color: var(--accent); outline: none; }
.modal-hint {
    font-size: 0.78rem; color: var(--text-dim); margin-bottom: 20px;
    display: flex; align-items: center; gap: 6px;
}
.modal-hint a { color: var(--accent); text-decoration: none; }
.modal-hint a:hover { text-decoration: underline; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }
.modal-btn-cancel {
    background: transparent; border: 1px solid var(--border); color: var(--text-dim);
    padding: 10px 20px; border-radius: 10px; cursor: pointer; font-size: 0.88rem;
    transition: all 0.2s; font-family: 'Poppins', sans-serif;
}
.modal-btn-cancel:hover { background: var(--border); color: var(--text-main); }
.modal-btn-save {
    background: var(--accent); border: none; color: #fff;
    padding: 10px 22px; border-radius: 10px; cursor: pointer; font-size: 0.88rem;
    font-weight: 600; display: flex; align-items: center; gap: 8px;
    transition: all 0.2s; font-family: 'Poppins', sans-serif;
}
.modal-btn-save:hover { background: var(--accent-hover); transform: scale(1.02); }

/* ===================== GÖREV BANNER (Header) ===================== */
.btn-tasks {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff; border: none; box-shadow: 0 2px 8px rgba(189,147,249,0.35);
}
.btn-tasks:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(189,147,249,0.5); background: linear-gradient(135deg, var(--accent), var(--accent-hover)); }
.task-banner-badge {
    background: rgba(0,0,0,0.25); padding: 2px 8px; border-radius: 20px;
    font-size: 0.72rem; font-weight: 700;
}

/* ===================== GÖREV AŞAMALARI MODALI ===================== */
.task-stages-overlay { z-index: 2100; }
.task-stages-box {
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: 18px; padding: 26px 20px 22px 26px; width: 92%; max-width: 620px;
    max-height: 90vh; overflow-y: auto; overflow-x: hidden;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5);
    animation: fadeInMsg 0.2s ease;
    scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.task-stages-box::-webkit-scrollbar { width: 7px; }
.task-stages-box::-webkit-scrollbar-track { background: transparent; }
.task-stages-box::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
.task-stages-box::-webkit-scrollbar-thumb:hover { background: var(--accent); }
.task-stages-box > * { padding-right: 6px; }
.task-stages-header {
    display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px;
}
.task-stages-title {
    font-size: 1.15rem; font-weight: 700; color: var(--text-main);
    display: flex; align-items: center; gap: 10px;
}
.task-stages-title i { color: #ffd166; }
.modal-close-btn {
    background: transparent; border: 1px solid var(--border); color: var(--text-dim);
    width: 34px; height: 34px; border-radius: 10px; cursor: pointer; transition: all 0.2s;
}
.modal-close-btn:hover { background: var(--border); color: var(--error); }

.task-stages-progress { margin-bottom: 18px; }

.task-stages-grid {
    display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px;
}
.task-stage-card {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; border-radius: 12px;
    background: var(--bg-dark); border: 1px solid var(--border);
    cursor: pointer; transition: all 0.15s; text-align: left;
    font-family: 'Poppins', sans-serif; color: var(--text-main); width: 100%;
}
.task-stage-card:hover { border-color: var(--accent); transform: translateX(2px); }
.task-stage-card.done { border-color: var(--success); background: rgba(80,250,123,0.07); }
.task-stage-num {
    width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%;
    background: var(--border); color: var(--text-main); font-size: 0.8rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.task-stage-card.done .task-stage-num { background: var(--success); color: var(--bg-dark); }
.task-stage-icon { font-size: 1.3rem; flex-shrink: 0; }
.task-stage-info { flex: 1; min-width: 0; }
.task-stage-title { font-size: 0.9rem; font-weight: 700; margin-bottom: 2px; }
.task-stage-card.done .task-stage-title { color: var(--success); }
.task-stage-desc { font-size: 0.75rem; color: var(--text-dim); line-height: 1.4; }
.task-stage-arrow { color: var(--text-dim); flex-shrink: 0; font-size: 0.85rem; }

.task-reset-btn {
    width: 100%; background: transparent; border: 1px solid var(--border);
    color: var(--text-dim); padding: 9px; border-radius: 8px; cursor: pointer;
    font-size: 0.78rem; font-weight: 600; display: flex; align-items: center;
    justify-content: center; gap: 6px; transition: all 0.2s;
    font-family: 'Poppins', sans-serif;
}
.task-reset-btn:hover { background: var(--border); color: var(--error); }

/* ===================== GÖREV REHBERİ (Adım Adım Popup — sürüklenebilir, arka planı kilitlemez) ===================== */
.task-guide-overlay {
    position: fixed; inset: 0; z-index: 2200;
    display: none;
    pointer-events: none; /* editörle çalışmaya devam edebilmek için arka planı bloklamaz */
}
.task-guide-overlay.open { display: block; }
.guide-popup {
    position: fixed; top: 8vh; left: 50%; transform: translateX(-50%);
    pointer-events: auto; /* sadece popup'ın kendisi tıklama/sürükleme alır */
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: 16px; width: 92%; max-width: 460px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.55);
    animation: fadeInMsg 0.2s ease; overflow: hidden;
}
.guide-popup.dragging { box-shadow: 0 28px 70px rgba(0,0,0,0.65); transition: none; user-select: none; }
.guide-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; border-bottom: 1px solid var(--border); background: var(--sidebar-bg);
    cursor: grab; touch-action: none;
}
.guide-header:active { cursor: grabbing; }
.guide-drag-grip { color: var(--text-dim); font-size: 0.8rem; margin-right: 2px; }
.guide-header-title {
    display: flex; align-items: center; gap: 10px; font-weight: 700;
    color: var(--text-main); font-size: 0.92rem;
}
.guide-header-title i { color: var(--accent); }
#guideStepIndicator { color: var(--text-dim); font-weight: 600; }
.guide-header-actions { display: flex; gap: 6px; }
.guide-icon-btn {
    background: transparent; border: 1px solid var(--border); color: var(--text-dim);
    width: 30px; height: 30px; border-radius: 8px; cursor: pointer; transition: all 0.2s;
    font-size: 0.8rem;
}
.guide-icon-btn:hover { background: var(--border); color: var(--text-main); }

.guide-preview-line {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 18px; background: #1a1b26; border-bottom: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace; font-size: 0.82rem; color: #6272a4;
}
.guide-preview-num {
    color: #ff79c6; font-weight: 700; min-width: 14px;
}
.guide-preview-code { color: #f8f8f2; opacity: 0.75; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.guide-task-box { padding: 14px 18px 4px; }
.guide-task-title {
    font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-dim); font-weight: 700; margin-bottom: 8px;
    display: flex; align-items: center; gap: 6px;
}
.guide-task-icon { font-size: 0.95rem; }
.guide-step-label {
    font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 10px;
}

.guide-code-wrap { padding: 0 18px; }
.guide-code-wrap pre {
    background: #1e1e2e !important; padding: 14px 16px !important;
    border-radius: 10px !important; overflow-x: auto !important;
    margin: 0 !important; border: 1px solid var(--border); font-size: 0.85rem !important;
}
.guide-code-wrap pre code {
    font-family: 'JetBrains Mono', monospace !important; font-size: 0.85rem !important;
    background: transparent !important; padding: 0 !important; color: #f8f8f2 !important;
    white-space: pre;
}
.guide-code-wrap .hljs-keyword { color: #ff79c6; }
.guide-code-wrap .hljs-built_in { color: #8be9fd; }
.guide-code-wrap .hljs-string { color: #f1fa8c; }
.guide-code-wrap .hljs-number { color: #bd93f9; }
.guide-code-wrap .hljs-comment { color: #6272a4; font-style: italic; }
.guide-code-wrap .hljs-function { color: #50fa7b; }
.guide-code-wrap .hljs-title { color: #50fa7b; }
.guide-code-wrap .hljs-params { color: #f8f8f2; }

.guide-explain {
    padding: 12px 18px; margin: 14px 18px 0; border-radius: 10px;
    background: var(--bg-dark); border: 1px solid var(--border);
    font-size: 0.82rem; color: var(--text-dim); line-height: 1.5;
    width: auto;
}

.guide-actions {
    display: flex; gap: 10px; padding: 16px 18px 18px;
}
.guide-btn-copy {
    flex: 1; background: var(--success); color: var(--bg-dark); border: none;
    padding: 11px 14px; border-radius: 10px; font-weight: 700; cursor: pointer;
    font-size: 0.85rem; display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: all 0.2s; font-family: 'Poppins', sans-serif;
}
.guide-btn-copy:hover { opacity: 0.88; transform: translateY(-1px); }
.guide-btn-next {
    flex: 1; background: var(--accent); color: #fff; border: none;
    padding: 11px 14px; border-radius: 10px; font-weight: 700; cursor: pointer;
    font-size: 0.85rem; display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: all 0.2s; font-family: 'Poppins', sans-serif;
}
.guide-btn-next:hover { background: var(--accent-hover); transform: translateY(-1px); }
.guide-btn-next.guide-btn-finish { background: var(--success); color: var(--bg-dark); }

@media (max-width: 480px) {
    .guide-popup { max-width: 94%; }
    .guide-actions { flex-direction: column; }
}

/* ===================== GÖREV TOAST ===================== */
.task-toast {
    position: fixed; bottom: 28px; right: 28px; z-index: 9999;
    background: var(--bg-panel); border: 1px solid var(--success);
    border-radius: 16px; padding: 16px 20px;
    display: flex; align-items: center; gap: 14px;
    box-shadow: 0 12px 36px rgba(0,0,0,0.45);
    transform: translateX(120%); transition: transform 0.35s cubic-bezier(.4,0,.2,1);
    min-width: 240px; max-width: 320px;
}
.task-toast.show { transform: translateX(0); }
.task-toast-icon { font-size: 2rem; line-height: 1; }
.task-toast-title { font-size: 0.72rem; color: var(--success); font-weight: 700; margin-bottom: 2px; }
.task-toast-name { font-size: 0.9rem; font-weight: 700; color: var(--text-main); }
.task-toast-motivation { font-size: 0.76rem; color: var(--accent); font-weight: 600; margin-top: 4px; }

/* Language toggle */
#lang-toggle { min-width: 64px; justify-content: center; }
#lang-label { font-weight: 700; font-size: 0.8rem; letter-spacing: 0.5px; }