/* ============================================================
   Rental Portal — Professional, Clean, Modern Stylesheet
   ============================================================ */

:root {
  --color-primary: #1E3A5F;   /* Deep navy */
  --color-primary-light: #2A4F7E;
  --color-accent: #2A9D8F;    /* Teal accent */
  --color-accent-hover: #238B7E;
  --color-bg: #F8F9FB;        /* Off-white page bg */
  --color-surface: #FFFFFF;   /* Card / form bg */
  --color-border: #E2E8F0;
  --color-text: #1A202C;
  --color-text-muted: #718096;
  --color-success: #2A9D8F;
  --color-warning: #E9C46A;
  --color-danger: #E76F51;
  --color-info: #457B9D;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Layout ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 680px; margin: 0 auto; padding: 0 1.5rem; }

/* ---- Header ---- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  text-decoration: none;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.site-header nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.site-header nav a:hover { color: var(--color-primary); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-light); }
.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover { background: var(--color-accent-hover); }
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.82rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; }

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem;
}
.card-lg { padding: 2.5rem; }

/* ---- Forms ---- */
.form-group { margin-bottom: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}
.form-label.required::after {
  content: ' *';
  color: var(--color-danger);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.925rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.12);
}
.form-input::placeholder,
.form-textarea::placeholder { color: #A0AEC0; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
}
.form-error {
  font-size: 0.8rem;
  color: var(--color-danger);
  margin-top: 0.3rem;
}
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
}
.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

/* ---- Alerts ---- */
.alert {
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.alert-success { background: #D8F3DC; color: #1B4332; border: 1px solid #B7E4C7; }
.alert-warning { background: #FFF3CD; color: #664D03; border: 1px solid #FFE69C; }
.alert-danger  { background: #F8D7DA; color: #58151C; border: 1px solid #F1AEB5; }
.alert-info    { background: #D1ECF1; color: #0C5460; border: 1px solid #BEE5EB; }

/* ---- Sections ---- */
.page-header {
  text-align: center;
  padding: 3rem 0 2rem;
}
.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.page-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}
.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}

/* ---- Landing page ---- */
.hero {
  background: var(--color-primary);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.15;
  pointer-events: none;
  background-image: var(--hero-bg);
  background-size: cover;
  background-position: center;
}
.hero h1 { font-size: 2.4rem; font-weight: 700; margin-bottom: 0.75rem; }
.hero p { font-size: 1.1rem; opacity: 0.85; max-width: 580px; margin: 0 auto 2rem; }
.hero ul, .hero ol { text-align: left; max-width: 580px; margin: 0 auto 1.5rem; }
.hero ul li, .hero ol li { margin-bottom: 0.4rem; }
.property-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.property-gallery img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.cta-section {
  text-align: center;
  padding: 2.5rem 0;
  border-top: 1px solid var(--color-border);
}

/* ---- Login ---- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 128px);
  padding: 2rem 0;
}

/* ---- Status page ---- */
.status-card {
  text-align: center;
  padding: 2.5rem;
}
.status-score {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.status-score.high { color: var(--color-success); }
.status-score.mid  { color: var(--color-warning); }
.status-score.low  { color: var(--color-danger); }
.status-stage {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 1.5rem;
}
.status-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
  text-align: left;
}
.detail-item label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  font-weight: 600;
}
.detail-item p { margin-top: 0.2rem; font-weight: 500; }

/* ---- Messages ---- */
.message-thread { display: flex; flex-direction: column; gap: 1rem; }
.message-bubble {
  max-width: 72%;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.925rem;
  line-height: 1.5;
}
.message-bubble.landlord {
  background: var(--color-primary);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.message-bubble.applicant {
  background: var(--color-border);
  color: var(--color-text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.message-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  text-align: right;
}

/* ---- Footer ---- */
.site-footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--color-border);
  margin-top: 4rem;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 1.6rem; }
  .hero h1 { font-size: 1.8rem; }
  .card { padding: 1.25rem; }
}