/* ==========================================================================
   CN Nyumba Rental Manager — shared styles
   ========================================================================== */

/* ---- Design tokens ---- */
:root {
  --sidebar-w: 264px;
  --topbar-h: 68px;

  --bg-page:        #f2f5f4;
  --bg-surface:     #ffffff;
  --bg-sidebar:     #12181a;
  --bg-sidebar-alt: #182022;

  --green-900: #0f4d2c;
  --green-700: #157a3d;
  --green-600: #1a9149;
  --green-500: #1fa855;
  --green-400: #2ec46a;
  --green-100: #e3f7ea;

  --amber-500: #d99b2b;
  --teal-500:  #1c8f8f;
  --slate-500: #5b6b6f;

  --text-primary:   #16211e;
  --text-secondary: #62726f;
  --text-inverse:   #f5f9f7;
  --text-muted-inv: #9db3ac;

  --border: #e3e9e6;
  --danger: #d15a4a;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --shadow-card: 0 1px 2px rgba(15, 30, 25, 0.06), 0 8px 24px -12px rgba(15, 30, 25, 0.18);
  --shadow-pop:  0 12px 32px -8px rgba(15, 30, 25, 0.28);

  --font-display: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Segoe UI', system-ui, sans-serif;

  --ease: cubic-bezier(.4,0,.2,1);
}

/* ---- Reset ---- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

:focus-visible {
  outline: 2px solid var(--green-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   APP SHELL
   ========================================================================== */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
  background: linear-gradient(180deg, var(--bg-sidebar) 0%, var(--bg-sidebar-alt) 100%);
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
  transition: transform 0.25s var(--ease);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  display: grid; place-items: center;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-display); font-weight: 800; font-size: 16px; letter-spacing: -0.01em; }
.brand-name em { font-style: normal; color: var(--green-400); }
.brand-tag { font-size: 11px; color: var(--text-muted-inv); text-transform: uppercase; letter-spacing: 0.08em; }

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.user-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(46,196,106,0.15);
  color: var(--green-400);
  display: grid; place-items: center;
  font-size: 20px;
  flex-shrink: 0;
}
.sidebar-user-meta { display: flex; flex-direction: column; min-width: 0; }
.sidebar-user-name { font-weight: 600; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-status { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--text-muted-inv); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green-400); box-shadow: 0 0 0 3px rgba(46,196,106,0.18); }

.sidebar-nav { padding: 10px 12px 24px; flex: 1; }
.nav-group { margin-bottom: 2px; }

.nav-link, .nav-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: none;
  color: var(--text-muted-inv);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.nav-link:hover, .nav-toggle:hover { background: rgba(255,255,255,0.05); color: var(--text-inverse); }
.nav-link.is-active { background: var(--green-600); color: #fff; }
.nav-link .bi, .nav-toggle .bi:first-child { font-size: 15px; width: 18px; text-align: center; flex-shrink: 0; }

.nav-toggle { justify-content: space-between; }
.nav-toggle .nav-toggle-left { display: flex; align-items: center; gap: 12px; }
.nav-toggle .chevron { font-size: 13px; transition: transform 0.2s var(--ease); }
.nav-group.is-open .chevron { transform: rotate(90deg); }

.nav-submenu {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s var(--ease);
  padding-left: 30px;
}
.nav-group.is-open .nav-submenu { max-height: 240px; }
.nav-submenu a {
  display: block;
  padding: 8px 10px;
  font-size: 12.8px;
  color: var(--text-muted-inv);
  border-radius: var(--radius-sm);
}
.nav-submenu a:hover { color: var(--text-inverse); background: rgba(255,255,255,0.04); }

.sidebar-footer {
  padding: 16px 20px 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.logout-link { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted-inv); }
.logout-link:hover { color: #fff; }

/* ---- Main column ---- */
.main-col { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 30;
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.sidebar-toggle {
  display: none;
  border: none; background: none;
  font-size: 20px;
  color: var(--text-secondary);
  padding: 6px;
  border-radius: var(--radius-sm);
}
.sidebar-toggle:hover { background: var(--green-100); color: var(--green-700); }
.breadcrumb { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.breadcrumb .current { color: var(--text-primary); font-weight: 600; }

.topbar-right { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  position: relative;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  display: grid; place-items: center;
  color: var(--text-secondary);
  font-size: 16px;
}
.icon-btn:hover { background: var(--green-100); color: var(--green-700); border-color: transparent; }
.icon-btn .badge {
  position: absolute; top: -3px; right: -3px;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  min-width: 16px; height: 16px;
  border-radius: 999px;
  display: grid; place-items: center;
  padding: 0 3px;
  border: 2px solid var(--bg-surface);
}
.topbar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 6px 6px 12px;
  border-left: 1px solid var(--border);
  margin-left: 6px;
}
.topbar-user .user-avatar { width: 34px; height: 34px; font-size: 16px; background: var(--green-100); color: var(--green-700); }
.topbar-user-name { font-size: 13px; font-weight: 600; }
.topbar-user-role { font-size: 11px; color: var(--text-secondary); }

/* ---- Content ---- */
.content { padding: 28px 28px 48px; flex: 1; }
.page-head { margin-bottom: 22px; }
.page-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-subtitle { color: var(--text-secondary); font-size: 13.5px; margin-top: 4px; }

/* ---- Stat grid ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 32px;
}
.stat-card {
  position: relative;
  border-radius: var(--radius-md);
  padding: 20px 20px 0;
  color: #fff;
  overflow: hidden;
  background: linear-gradient(135deg, var(--green-500) 0%, var(--green-700) 100%);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 148px;
}
.stat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--accent, var(--green-400));
}
.stat-card--people   { --accent: var(--teal-500); }
.stat-card--finance  { --accent: var(--amber-500); }
.stat-card--ops      { --accent: #cfe8d8; }

.stat-card__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.stat-card__value { font-family: var(--font-display); font-size: 30px; font-weight: 800; line-height: 1; display: block; }
.stat-card__label { font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.88); margin-top: 6px; display: block; }
.stat-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.14);
  display: grid; place-items: center;
  font-size: 20px;
  flex-shrink: 0;
}
.stat-card__more {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  margin: 14px -20px 0;
  padding: 10px 20px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.92);
  background: rgba(0,0,0,0.12);
  border-top: 1px solid rgba(255,255,255,0.12);
  transition: background 0.15s var(--ease);
}
.stat-card__more:hover { background: rgba(0,0,0,0.2); }

/* ---- Chart panels ---- */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.chart-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.chart-panel__head { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.chart-panel__head .bi { color: var(--green-600); font-size: 16px; }
.chart-panel__title { font-size: 13.5px; font-weight: 700; }
.chart-panel canvas { max-height: 220px; }

/* ==========================================================================
   LOGIN PAGE
   ========================================================================== */
.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}
.login-visual {
  background:
    radial-gradient(circle at 20% 20%, rgba(46,196,106,0.25), transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(20,120,70,0.35), transparent 50%),
    linear-gradient(160deg, var(--bg-sidebar) 0%, var(--bg-sidebar-alt) 100%);
  color: var(--text-inverse);
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.login-visual__top { display: flex; align-items: center; gap: 12px; }
.login-visual__body { max-width: 420px; }
.login-visual__eyebrow {
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green-400); font-weight: 700; margin-bottom: 14px; display: block;
}
.login-visual__heading {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 800; line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.login-visual__text { color: var(--text-muted-inv); font-size: 14.5px; line-height: 1.6; }
.login-visual__stats { display: flex; gap: 28px; margin-top: 32px; }
.login-visual__stat b { display: block; font-family: var(--font-display); font-size: 22px; font-weight: 800; }
.login-visual__stat span { font-size: 12px; color: var(--text-muted-inv); }
.login-visual__foot { font-size: 12px; color: var(--text-muted-inv); }

/* ---- Animated house scene ---- */
.house-scene { display: block; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.35)); }
.house-scene .win {
  fill: #ffe9a8;
  animation: winGlow 3.2s ease-in-out infinite;
}
.house-scene .house { transform-origin: center bottom; animation: houseRise 0.9s cubic-bezier(.2,.8,.2,1) both; }
.house-scene .house--1 { animation-delay: 0.1s; }
.house-scene .house--2 { animation-delay: 0.3s; }
.house-scene .house--3 { animation-delay: 0.5s; }
.house-scene .house--1 .win { animation-delay: 0.4s; }
.house-scene .house--2 .win:nth-of-type(4) { animation-delay: 0.8s; }
.house-scene .house--2 .win:nth-of-type(5) { animation-delay: 1.4s; }
.house-scene .house--2 .win:nth-of-type(6) { animation-delay: 2.0s; }
.house-scene .house--3 .win { animation-delay: 1.1s; }
.house-scene .pin { transform-origin: 310px 135px; animation: pinFloat 3s ease-in-out infinite; }

@keyframes houseRise {
  0% { transform: translateY(40px) scale(0.96); opacity: 0; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}
@keyframes winGlow {
  0%, 100% { fill: #cfe6d8; }
  50% { fill: #ffe9a8; }
}
@keyframes pinFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@media (prefers-reduced-motion: reduce) {
  .house-scene .house, .house-scene .win, .house-scene .pin { animation: none; }
}

.login-panel {
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.login-card { width: 100%; max-width: 380px; }
.login-card__head { margin-bottom: 28px; }
.login-card__title { font-family: var(--font-display); font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.login-card__title.is-center { text-align: center; }
.login-card__sub { color: var(--text-secondary); font-size: 13.5px; }

.field-group { margin-bottom: 16px; }
.field-label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); }
.field-input-wrap { position: relative; display: flex; align-items: center; }
.field-input-wrap .bi { position: absolute; left: 14px; color: var(--text-secondary); font-size: 15px; }
.field-input {
  width: 100%;
  padding: 11px 14px 11px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  background: #fbfcfb;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.field-input:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(31,168,85,0.15);
  background: #fff;
}
.field-toggle {
  position: absolute; right: 10px;
  border: none; background: none;
  color: var(--text-secondary);
  font-size: 15px;
  padding: 6px;
  border-radius: 6px;
}
.field-toggle:hover { color: var(--green-600); }

.field-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; font-size: 12.5px; }
.field-remember { display: flex; align-items: center; gap: 7px; color: var(--text-secondary); }
.field-remember input { accent-color: var(--green-600); }
.field-forgot { color: var(--green-700); font-weight: 600; }
.field-forgot:hover { text-decoration: underline; }

.btn-primary {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: 0 8px 18px -8px rgba(21,122,61,0.55);
  transition: filter 0.15s var(--ease), transform 0.1s var(--ease);
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary[disabled] { opacity: 0.75; cursor: progress; }

.login-error {
  display: none;
  align-items: center;
  gap: 8px;
  background: #fbebe8;
  color: var(--danger);
  border: 1px solid #f2cfc8;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  margin-bottom: 16px;
}
.login-error.is-visible { display: flex; }

.login-card__foot { margin-top: 22px; text-align: center; font-size: 12.5px; color: var(--text-secondary); }

/* ---- Mobile / responsive ---- */
@media (max-width: 1080px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .login-visual__stats { flex-wrap: wrap; row-gap: 16px; }
}

@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-visual { display: none; }
  .login-card__mobile-brand { display: block !important; }
  .login-panel {
    background: linear-gradient(160deg, #0f4d33 0%, #08301f 100%);
    padding: 24px 20px;
    min-height: 100vh;
  }
  .login-card {
    background: #fff;
    border-radius: 20px;
    padding: 28px 22px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
    max-width: 400px;
  }
  .login-card__title {
    font-size: 20px;
  }
}

@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-w);
    transform: translateX(-100%);
    box-shadow: var(--shadow-pop);
  }
  .sidebar.is-open { transform: translateX(0); }
  .sidebar-toggle { display: inline-grid; place-items: center; }
  .chart-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .stat-grid { grid-template-columns: 1fr; }
  .content { padding: 20px 16px 40px; }
  .topbar { padding: 0 16px; }
  .topbar-user-name, .topbar-user-role { display: none; }
}

.scrim {
  display: none;
  position: fixed; inset: 0;
  background: rgba(10,16,14,0.45);
  z-index: 35;
}
.scrim.is-visible { display: block; }