uis-cloud-computing/7project/frontend/src/ui.css

:root {
  --bg: #f7f7fb;
  --panel: #ffffff;
  --text: #9aa3b2;
  --muted: #6b7280;
  --primary: #6f49fe;
  --primary-600: #5a37fb;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.08);

  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
}

* { box-sizing: border-box; }

html, body, #root { height: 100%; }

body { background: var(--bg); margin: 0; display: block; }

/* Dark theme variables */
body[data-theme="dark"] {
  --bg: #161a2b;
  --panel: #283046;
  --text: #283046;
  --muted: #cbd5e1;
  --primary: #8b7bff;
  --primary-600: #7b69ff;
  --border: #283046;
}

/* Layout */
.app-layout { display: grid; grid-template-columns: 260px minmax(0,1fr); height: 100vh; }
.sidebar { background: #15172a; color: #e5e7eb; display: flex; flex-direction: column; padding: 20px 12px; }
.sidebar .logo { color: #fff; font-weight: 700; font-size: 18px; padding: 12px 14px; display: flex; align-items: center; gap: 10px; }
.nav { margin-top: 12px; display: grid; gap: 4px; }
.nav a, .nav button { color: #cbd5e1; text-align: left; background: transparent; border: 0; padding: 10px 12px; border-radius: 8px; cursor: pointer; }
.nav a.active, .nav a:hover, .nav button:hover { background: rgba(255,255,255,0.08); color: #fff; }

.content { display: flex; flex-direction: column; overflow-y: auto; min-width: 0; width: 100%; }
.topbar { height: 64px; display: flex; flex-shrink: 0; align-items: center; justify-content: space-between; padding: 0 24px; background: var(--panel); border-bottom: 1px solid var(--border); }
.topbar .user { color: var(--muted); }
.page { padding: 24px; }

/* Cards */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.card h3 { margin: 0 0 12px; }

/* Forms */
/* Common field styles (no custom arrow here) */
.input, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background-color: var(--panel);
  color: var(--muted);
}

/* Select-only: show custom dropdown arrow */
select.input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;

  padding-right: 32px; /* room for the arrow */
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  cursor: pointer;
}

.pie-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .pie-grid {
    grid-template-columns: 1fr;
  }
}

/* Make charts scale nicely within the cards */
.pie-card canvas, .pie-card svg {
  max-width: 100%;
  height: auto;
  display: block;
}

.input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-color: var(--primary);
}
.form-row { display: grid; gap: 8px; grid-template-columns: repeat(4, minmax(0,1fr)); }
.form-row > * { min-width: 140px; }
.form-row > .btn {
  justify-self: start;
}
.actions { display: flex; align-items: center; gap: 8px; }

/* Buttons */
.btn { border: 1px solid var(--border); background: #fff; color: var(--text); padding: 10px 14px; border-radius: 10px; cursor: pointer; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-600); }
.btn.ghost { background: transparent; color: var(--muted); }
.btn, .input, select, textarea, .nav a, .nav button, .segmented button {
  transition: all 0.2s ease-in-out;
}
.btn.small {
  padding: 4px 10px;
  font-size: 0.875rem; /* 14px */
}

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px; border-bottom: 1px solid var(--border); }
.table th { text-align: left; color: var(--muted); font-weight: 600; }
.table td.amount { text-align: right; font-variant-numeric: tabular-nums; }
.table-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px; /* Adds some space above the table */
}

/* Segmented control */
.segmented { display: inline-flex; background: #f1f5f9; border-radius: 10px; padding: 4px; border: 1px solid var(--border); }
.segmented button { border: 0; background: transparent; padding: 8px 12px; border-radius: 8px; color: var(--muted); cursor: pointer; }
.segmented button.active { background: #fff; color: var(--text); box-shadow: var(--shadow); }

/* Auth layout */
body.auth-page #root {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
}

/* Utility */
.muted { color: var(--muted); }
.space-y > * + * { margin-top: 12px; }

/* Modal mock bank */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--panel);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 400px;
}

.connection-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}


/* Responsive enhancements */

/* Off-canvas sidebar + hamburger for mobile */
@media (max-width: 900px) {
  .app-layout {
    grid-template-columns: 1fr;
    min-height: 100dvh;
    position: relative;
  }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 80vw;
    max-width: 320px;
    transform: translateX(-100%);
    transition: transform 200ms ease;
    z-index: 1000;
    overflow-y: auto;
  }
  .app-layout.sidebar-open .sidebar {
    transform: translateX(0);
  }
  .hamburger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-right: 8px;
  }
  .topbar { position: sticky; top: 0; z-index: 500; }
}

@media (min-width: 901px) {
  .hamburger { display: none; }
}

/* Backdrop when sidebar is open */
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 900;
}

/* Responsive table: convert to card list on small screens */
.table.responsive { width: 100%; }
@media (max-width: 700px) {
  .table.responsive thead { display: none; }
  .table.responsive tbody tr {
    display: block;
    border: 1px solid var(--border, #2a2f45);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--panel);
  }
  .table.responsive tbody td {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left !important; /* override any right align */
  }
  .table.responsive tbody td:last-child { border-bottom: 0; }
  .table.responsive tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--muted);
  }
  .table.responsive .actions { width: 100%; justify-content: flex-end; }
  .table.responsive .amount { font-weight: 600; }
}

/* Filters and controls wrapping */
@media (max-width: 900px) {
  .form-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .form-row { grid-template-columns: 1fr; }
}

.table-controls { gap: 12px; }
@media (max-width: 700px) {
  .table-controls { flex-direction: column; align-items: stretch; }
  .table-controls .actions { width: 100%; }
  .table-controls .actions .btn { flex: 1 0 auto; }
}

/* Touch-friendly sizes */
.btn, .input, select.input { min-height: 40px; }
.btn.small { min-height: 36px; }

/* Connection rows on mobile */
@media (max-width: 700px) {
  .connection-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .connection-row .btn { width: 100%; }
}

/* Charts should scale to container */
.card canvas, .card svg { max-width: 100%; height: auto; display: block; }


/* Horizontal scroll container for wide charts */
.chart-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch; /* momentum scroll on iOS */
}
.chart-inner { min-width: 900px; }