Remove Tetris animation from login page

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/pages/LoginPage.tsx

@@ -1,4 +1,4 @@
-import { useState, useRef, useEffect } from 'react'
+import { useState } from 'react'
 import { Navigate, useNavigate } from 'react-router-dom'
 import {
   Hotel, Eye, EyeOff, Sun, Moon, AlertCircle,
@@ -14,165 +14,6 @@ const DEMO_EMAILS = [
   'admin@hotelsync.io',
 ]
 
-// ── Tetris overlay ─────────────────────────────────────────────────────────────
-
-// All 7 tetrominoes with all rotations, each cell = [row, col] offset
-const TETROMINOES: { cells: [number,number][][]; color: string }[] = [
-  { color: '#06b6d4', cells: [[[0,0],[0,1],[0,2],[0,3]], [[0,0],[1,0],[2,0],[3,0]]] },                         // I
-  { color: '#eab308', cells: [[[0,0],[0,1],[1,0],[1,1]]] },                                                    // O
-  { color: '#a855f7', cells: [[[0,1],[1,0],[1,1],[1,2]], [[0,0],[1,0],[1,1],[2,0]], [[0,0],[0,1],[0,2],[1,1]], [[0,1],[1,0],[1,1],[2,1]]] }, // T
-  { color: '#22c55e', cells: [[[0,1],[0,2],[1,0],[1,1]], [[0,0],[1,0],[1,1],[2,1]]] },                         // S
-  { color: '#ef4444', cells: [[[0,0],[0,1],[1,1],[1,2]], [[0,1],[1,0],[1,1],[2,0]]] },                         // Z
-  { color: '#3b82f6', cells: [[[0,0],[1,0],[1,1],[1,2]], [[0,0],[0,1],[1,0],[2,0]], [[0,0],[0,1],[0,2],[1,2]], [[0,1],[1,1],[2,0],[2,1]]] }, // J
-  { color: '#f97316', cells: [[[0,2],[1,0],[1,1],[1,2]], [[0,0],[1,0],[2,0],[2,1]], [[0,0],[0,1],[0,2],[1,0]], [[0,0],[0,1],[1,1],[2,1]]] }, // L
-]
-
-function TetrisOverlay() {
-  const canvasRef = useRef<HTMLCanvasElement>(null)
-
-  useEffect(() => {
-    let rafId = 0
-
-    const delay = setTimeout(() => {
-      const canvas = canvasRef.current
-      if (!canvas) return
-      const parent = canvas.parentElement
-      if (!parent) return
-
-      const W = parent.clientWidth
-      const H = parent.clientHeight
-      if (!W || !H) return
-      canvas.width  = W
-      canvas.height = H
-
-      const CELL = 32
-      const COLS = Math.floor(W / CELL)
-      const ROWS = Math.ceil(H / CELL)
-      // offset to center the grid
-      const OX = Math.floor((W - COLS * CELL) / 2)
-
-      // settled[row][col] = border color | null
-      const settled: (string | null)[][] = Array.from({ length: ROWS + 6 }, () => new Array(COLS).fill(null))
-
-      const ctx = canvas.getContext('2d')!
-
-      // Draw one tetromino cell: white fill, colored border
-      const drawCell = (col: number, rowPx: number, color: string) => {
-        const x = OX + col * CELL + 1
-        const y = rowPx + 1
-        const s = CELL - 2
-        ctx.beginPath()
-        ctx.roundRect(x, y, s, s, 3)
-        ctx.fillStyle = 'rgba(255,255,255,0.88)'
-        ctx.fill()
-        ctx.strokeStyle = color
-        ctx.lineWidth = 2.5
-        ctx.stroke()
-      }
-
-      interface Piece {
-        cells: [number,number][]
-        color: string
-        col: number   // grid-col of leftmost cell
-        yPx: number   // pixel Y of top row
-        vy: number
-      }
-
-      const falling: Piece[] = []
-      let spawnIn = 300
-      let last = performance.now()
-
-      const maxRow  = (cells: [number,number][]) => Math.max(...cells.map(c => c[0]))
-      const maxCol  = (cells: [number,number][]) => Math.max(...cells.map(c => c[1]))
-
-      const collides = (cells: [number,number][], col: number, gridRow: number) => {
-        for (const [r, c] of cells) {
-          const gr = gridRow + r
-          const gc = col + c
-          if (gr >= ROWS || gc < 0 || gc >= COLS) return true
-          if (gr >= 0 && settled[gr][gc] !== null) return true
-        }
-        return false
-      }
-
-      const settle = (p: Piece, gridRow: number) => {
-        for (const [r, c] of p.cells) {
-          const gr = gridRow + r
-          const gc = p.col + c
-          if (gr >= 0 && gr < ROWS && gc >= 0 && gc < COLS)
-            settled[gr][gc] = p.color
-        }
-      }
-
-      const tick = (now: number) => {
-        const dt = Math.min(now - last, 50)
-        last = now
-        spawnIn -= dt
-        ctx.clearRect(0, 0, W, H)
-
-        // Spawn new piece
-        if (spawnIn <= 0 && falling.length < 3) {
-          const tIdx = Math.floor(Math.random() * TETROMINOES.length)
-          const t    = TETROMINOES[tIdx]
-          const rIdx = Math.floor(Math.random() * t.cells.length)
-          const cells = t.cells[rIdx]
-          const mxc   = maxCol(cells)
-          const maxStartCol = COLS - mxc - 1
-          if (maxStartCol >= 0) {
-            const col = Math.floor(Math.random() * (maxStartCol + 1))
-            if (!collides(cells, col, 0)) {
-              falling.push({
-                cells,
-                color: t.color,
-                col,
-                yPx: -(maxRow(cells) + 1) * CELL,
-                vy: 1.2 + Math.random() * 0.8,
-              })
-            }
-          }
-          spawnIn = 700 + Math.random() * 500
-        }
-
-        // Draw settled cells
-        for (let r = 0; r < ROWS; r++)
-          for (let c = 0; c < COLS; c++)
-            if (settled[r][c]) drawCell(c, r * CELL, settled[r][c]!)
-
-        // Update + draw falling pieces
-        for (let i = falling.length - 1; i >= 0; i--) {
-          const p = falling[i]
-          p.yPx += p.vy * dt / 16
-          const gridRow = Math.floor(p.yPx / CELL)
-
-          if (collides(p.cells, p.col, gridRow + 1)) {
-            const snapRow = Math.max(0, gridRow)
-            settle(p, snapRow)
-            falling.splice(i, 1)
-          } else {
-            for (const [r, c] of p.cells)
-              drawCell(p.col + c, p.yPx + r * CELL, p.color)
-          }
-        }
-
-        rafId = requestAnimationFrame(tick)
-      }
-
-      rafId = requestAnimationFrame(tick)
-    }, 5000)
-
-    return () => {
-      clearTimeout(delay)
-      cancelAnimationFrame(rafId)
-    }
-  }, [])
-
-  return (
-    <canvas
-      ref={canvasRef}
-      className="absolute inset-0 pointer-events-none z-10"
-    />
-  )
-}
 
 type LegalType = 'ooo' | 'ip' | 'ao' | 'pao' | 'other'
 
@@ -636,16 +477,15 @@ export function LoginPage() {
   return (
     <div className="min-h-screen bg-gradient-to-br from-brand-50 via-white to-slate-100 dark:from-slate-900 dark:via-slate-900 dark:to-brand-950 flex">
       {/* Left panel — branding */}
-      <div className="hidden lg:flex flex-col justify-between w-1/2 bg-brand-600 dark:bg-brand-800 p-12 relative overflow-hidden">
-        <TetrisOverlay />
-        <div className="relative z-20 flex items-center gap-3">
+      <div className="hidden lg:flex flex-col justify-between w-1/2 bg-brand-600 dark:bg-brand-800 p-12">
+        <div className="flex items-center gap-3">
           <div className="w-10 h-10 rounded-xl bg-white/20 flex items-center justify-center">
             <Hotel size={22} className="text-white" />
           </div>
           <span className="text-2xl font-bold text-white">HotelSync</span>
         </div>
 
-        <div className="relative z-20">
+        <div>
           <h1 className="text-4xl font-bold text-white leading-tight mb-4">
             Современная PMS система<br />для вашего отеля
           </h1>
@@ -684,7 +524,7 @@ export function LoginPage() {
           )}
         </div>
 
-        <p className="relative z-20 text-brand-200 text-sm">© 2026 HotelSync · SaaS PMS Platform</p>
+        <p className="text-brand-200 text-sm">© 2026 HotelSync · SaaS PMS Platform</p>
       </div>
 
       {/* Right panel */}