/* ============================================================
   Meeting Room Management – Modern Responsive Stylesheet
   Replaces both style.css and RMstyle.css
   ============================================================ */

/* ---------- Google Font ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  --clr-primary:        #C09C75;   /* deep blue */
  --clr-primary-light:  #C09C75;   /* sky tint */
  --clr-primary-dark:   #C09C75;
  --clr-accent:         #C09C75;   /* sky-500 */
  --clr-free:           #D1FAE5;   /* emerald tint  */
  --clr-free-text:      #065F46;
  --clr-booked:         #FEE2E2;   /* rose tint */
  --clr-booked-text:    #991B1B;
  --clr-surface:        #FFFFFF;
  --clr-bg:             #F1F5F9;
  --clr-border:         #E2E8F0;
  --clr-muted:          #64748B;
  --clr-danger:         #DC2626;
  --clr-text:           #0F172A;

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow:    0 4px 12px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.12);

  --font: 'Inter', system-ui, sans-serif;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---------- App Shell ---------- */
.mrm-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

/* ---------- Header / Navbar ---------- */
.mrm-header {
  background: var(--clr-primary);
  color: #C09C75;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.mrm-header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: .75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.mrm-logo {
  height: 52px;
  width: auto;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 2px 6px;
}

.mrm-brand {
  flex: 1;
  min-width: 0;
}

.mrm-brand-name {
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mrm-brand-page {
  font-size: .8rem;
  opacity: .8;
  white-space: nowrap;
}

/* ---------- Nav tabs ---------- */
.mrm-nav {
  background: var(--clr-primary-dark);
  border-bottom: 2px solid var(--clr-accent);
}

.mrm-nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.mrm-nav-inner::-webkit-scrollbar { display: none; }

.mrm-nav-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .65rem 1.1rem;
  color: rgba(255,255,255,.75);
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
}

.mrm-nav-link:hover,
.mrm-nav-link.active {
  color: #fff;
  border-bottom-color: var(--clr-accent);
}

/* ---------- Page Body ---------- */
.mrm-page {
  padding: 1.5rem 0;
}

/* ---------- Section Heading ---------- */
.mrm-section-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ---------- Cards ---------- */
.mrm-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.mrm-card-header {
  background: var(--clr-primary-light);
  border-bottom: 1px solid var(--clr-border);
  padding: .9rem 1.25rem;
  font-weight: 600;
  font-size: .95rem;
  color: var(--clr-primary-dark);
}

.mrm-card-body {
  padding: 1.25rem;
}

/* ---------- Date Navigation ---------- */
.mrm-date-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.mrm-date-nav .mrm-input-group {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex: 1;
  min-width: 220px;
}

.mrm-date-nav label {
  font-size: .875rem;
  font-weight: 500;
  color: var(--clr-muted);
  white-space: nowrap;
}

/* ---------- Inputs & Controls ---------- */
.mrm-input,
.mrm-select {
  font-family: var(--font);
  font-size: .875rem;
  color: var(--clr-text);
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: .45rem .75rem;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}

.mrm-input:focus,
.mrm-select:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,.18);
}

/* ---------- Buttons ---------- */
.mrm-btn {
  font-family: var(--font);
  font-size: .875rem;
  font-weight: 600;
  padding: .5rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  text-decoration: none;
  transition: background .15s, border-color .15s, box-shadow .15s, transform .1s;
  white-space: nowrap;
  line-height: 1.3;
}

.mrm-btn:active { transform: scale(.97); }

.mrm-btn-primary {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}
.mrm-btn-primary:hover { background: var(--clr-primary-dark); border-color: var(--clr-primary-dark); }

.mrm-btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.mrm-btn-outline:hover { background: var(--clr-primary-light); }

.mrm-btn-ghost {
  background: transparent;
  color: var(--clr-muted);
  border-color: var(--clr-border);
}
.mrm-btn-ghost:hover { background: var(--clr-bg); color: var(--clr-text); }

.mrm-btn-danger {
  background: transparent;
  color: var(--clr-danger);
  border-color: #FCA5A5;
}
.mrm-btn-danger:hover { background: #FEE2E2; }

.mrm-btn-sm {
  font-size: .78rem;
  padding: .3rem .7rem;
}

/* ---------- Booking Table ---------- */
.mrm-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border);
}

.mrm-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--clr-surface);
  font-size: .85rem;
  min-width: 600px;
}

.mrm-table thead th {
  background: var(--clr-primary);
  color: #fff;
  font-weight: 600;
  padding: .75rem 1rem;
  text-align: left;
  white-space: nowrap;
  border: none;
  font-size: .8rem;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.mrm-table thead th:first-child { width: 120px; }

.mrm-table tbody tr:nth-child(even) { background: #F8FAFC; }
.mrm-table tbody tr:hover { background: var(--clr-primary-light); transition: background .15s; }

.mrm-table tbody th {
  padding: .75rem 1rem;
  font-weight: 600;
  font-size: .8rem;
  color: var(--clr-primary-dark);
  white-space: nowrap;
  border-right: 2px solid var(--clr-primary-light);
  background: #EFF6FF;
  vertical-align: middle;
}

.mrm-table tbody td {
  padding: .5rem;
  border: 1px solid var(--clr-border);
  vertical-align: top;
  min-width: 200px;
}

/* ---------- Booking Cells ---------- */
.mrm-cell-free {
  background: var(--clr-free);
  color: var(--clr-free-text);
  border-radius: var(--radius-sm);
  padding: .6rem .9rem;
  font-size: .82rem;
  font-weight: 600;
  text-align: center;
  letter-spacing: .02em;
}

/* Slot already passed (today only) */
.mrm-cell-past {
  background: #F1F5F9;
  color: #94A3B8;
  border-radius: var(--radius-sm);
  padding: .6rem .9rem;
  font-size: .8rem;
  font-weight: 500;
  text-align: center;
  letter-spacing: .02em;
  border: 1px dashed #CBD5E1;
}

.mrm-cell-booked {
  background: var(--clr-booked);
  border-radius: var(--radius-sm);
  padding: .65rem .9rem;
}

.mrm-cell-subject {
  font-weight: 700;
  font-size: .85rem;
  color: var(--clr-booked-text);
  margin-bottom: .2rem;
  line-height: 1.3;
}

.mrm-cell-meta {
  font-size: .75rem;
  color: #7F1D1D;
  margin-bottom: .5rem;
}

.mrm-cell-actions {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  margin-top: .5rem;
}

/* ---------- Alert / Status ---------- */
.mrm-alert {
  border-radius: var(--radius);
  padding: .9rem 1.25rem;
  font-size: .9rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}

.mrm-alert-info   { background: #EFF6FF; color: #1E40AF; border: 1px solid #BFDBFE; }
.mrm-alert-danger { background: #FEF2F2; color: #991B1B; border: 1px solid #FCA5A5; }
.mrm-alert-warn   { background: #FFFBEB; color: #92400E; border: 1px solid #FDE68A; }

/* ---------- Form Layout ---------- */
.mrm-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.mrm-form-group { display: flex; flex-direction: column; gap: .35rem; }
.mrm-form-group.full { grid-column: 1 / -1; }

.mrm-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.mrm-form-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--clr-border);
}

/* ---------- Meeting Room Panel view ---------- */
.mrm-room-controls {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  box-shadow: var(--shadow-sm);
}

.mrm-room-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--clr-primary-light);
}

.mrm-slot-group { margin-bottom: 1.25rem; }

.mrm-slot-group-header {
  background: var(--clr-primary);
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .55rem 1rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.mrm-slot-list {
  border: 1px solid var(--clr-border);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  overflow: hidden;
  background: var(--clr-surface);
}

.mrm-slot-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--clr-border);
}

.mrm-slot-item:last-child { border-bottom: none; }

.mrm-slot-time {
  font-size: .78rem;
  font-weight: 700;
  color: var(--clr-primary-dark);
  white-space: nowrap;
  min-width: 100px;
  padding-top: .1rem;
}

.mrm-slot-content { flex: 1; min-width: 0; }

/* ---------- Month View ---------- */
.mrm-month-controls {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  box-shadow: var(--shadow-sm);
}

.mrm-month-heading {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 1rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .mrm-header-inner { gap: .6rem; }
  .mrm-logo { height: 40px; }
  .mrm-brand-name { font-size: .9rem; }
  .mrm-nav-link { padding: .55rem .8rem; font-size: .8rem; }
  .mrm-date-nav { padding: .75rem 1rem; }
  .mrm-table thead th { padding: .55rem .65rem; }
  .mrm-table tbody th,
  .mrm-table tbody td { padding: .45rem .5rem; }
  .mrm-card-body { padding: 1rem; }
  .mrm-slot-item { flex-direction: column; gap: .4rem; }
  .mrm-slot-time { min-width: unset; }
}

@media (max-width: 400px) {
  .mrm-form-grid { grid-template-columns: 1fr; }
}