/* ============================================================
   ThesisGrader — Main Stylesheet
   JRMSU-TC College of Computing Studies
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=DM+Serif+Display:ital@0;1&display=swap');

:root {
  --green-deep:   #1b4332;
  --green-dark:   #2d6a4f;
  --green-mid:    #40916c;
  --green-light:  #74c69d;
  --green-pale:   #d8f3dc;
  --green-bg:     #f0f7f2;
  --gold:         #d4a017;
  --gold-light:   #f6e9c3;
  --navy:         #1b2d3e;
  --slate:        #4a5568;
  --muted:        #718096;
  --border:       #e2e8f0;
  --white:        #ffffff;
  --sidebar-w:    260px;
  --topbar-h:     64px;
  --radius:       10px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:       0 4px 12px rgba(0,0,0,0.08);
  --shadow-md:    0 8px 24px rgba(0,0,0,0.10);
  --transition:   all 0.22s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--green-bg);
  color: var(--navy);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================
   SIDEBAR
   ============================ */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--green-deep);
  display: flex; flex-direction: column;
  z-index: 1000;
  transition: var(--transition);
  overflow: hidden;
}
.sidebar-brand {
  padding: 20px 22px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.sidebar-brand .brand-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: inherit;
}
.sidebar-brand .logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--green-light), var(--green-mid));
  border-radius: 10px;
  display: grid; place-items: center;
  font-size: 20px; color: #fff;
  flex-shrink: 0;
}
.sidebar-brand .brand-text .app-name {
  font-size: 16px; font-weight: 800; color: #fff;
  letter-spacing: -0.3px; line-height: 1.2;
}
.sidebar-brand .brand-text .app-sub {
  font-size: 10px; color: var(--green-light); opacity: 0.85;
  font-weight: 500; letter-spacing: 0.5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user {
  padding: 16px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.sidebar-user .user-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--green-mid); color: #fff;
  display: grid; place-items: center; font-weight: 700;
  font-size: 14px; flex-shrink: 0;
  border: 2px solid var(--green-light);
}
.sidebar-user .user-info .user-name {
  font-size: 13px; font-weight: 700; color: #fff; line-height: 1.3;
}
.sidebar-user .user-info .user-role {
  font-size: 10px; color: var(--green-light); text-transform: uppercase;
  letter-spacing: 1px; font-weight: 600;
}
.sidebar-nav {
  flex: 1; overflow-y: auto; padding: 12px 0;
}
.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
.nav-section-label {
  padding: 12px 22px 4px;
  font-size: 10px; font-weight: 700;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase; letter-spacing: 1.5px;
}
.sidebar-nav .nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 22px; color: rgba(255,255,255,0.7);
  text-decoration: none; font-size: 13.5px; font-weight: 500;
  border-radius: 0; position: relative;
  transition: var(--transition);
  margin: 1px 10px; border-radius: 8px;
}
.sidebar-nav .nav-link i {
  font-size: 16px; flex-shrink: 0; width: 20px; text-align: center;
}
.sidebar-nav .nav-link .nav-badge {
  margin-left: auto; background: rgba(255,255,255,0.15);
  color: #fff; font-size: 10px; padding: 2px 7px;
  border-radius: 10px; font-weight: 700;
}
.sidebar-nav .nav-link:hover {
  background: rgba(255,255,255,0.08); color: #fff;
}
.sidebar-nav .nav-link.active {
  background: linear-gradient(135deg, var(--green-mid), var(--green-light));
  color: #fff; font-weight: 700;
  box-shadow: 0 4px 12px rgba(116,198,157,0.3);
}
.sidebar-nav .nav-link.active .nav-badge {
  background: rgba(255,255,255,0.25);
}
.sidebar-footer {
  padding: 14px 22px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.sidebar-footer a {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,0.5); text-decoration: none;
  font-size: 13px; transition: var(--transition);
}
.sidebar-footer a:hover { color: #fff; }

/* ============================
   MAIN LAYOUT
   ============================ */
.main-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex; flex-direction: column;
}
.topbar {
  height: var(--topbar-h);
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 900;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}
.topbar-title { font-size: 17px; font-weight: 700; color: var(--navy); flex: 1; }
.topbar-title span { font-weight: 300; color: var(--muted); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.btn-icon {
  width: 36px; height: 36px;
  background: var(--green-bg); border: 1px solid var(--border);
  border-radius: 8px; display: grid; place-items: center;
  color: var(--slate); cursor: pointer; transition: var(--transition);
  position: relative; text-decoration: none; font-size: 15px;
}
.btn-icon:hover { background: var(--green-pale); border-color: var(--green-light); color: var(--green-deep); }
.btn-icon .notif-dot {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px; background: #e53e3e;
  border-radius: 50%; border: 2px solid #fff;
}
.page-content { flex: 1; padding: 28px; }

/* ============================
   CARDS
   ============================ */
.card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 18px 22px; background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.card-header .card-title {
  font-size: 15px; font-weight: 700; color: var(--navy); margin: 0;
}
.card-header .card-subtitle {
  font-size: 12px; color: var(--muted); margin: 2px 0 0;
}
.card-body { padding: 22px; }

/* Stat Cards */
.stat-card {
  background: #fff; border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px; display: flex; align-items: flex-start; gap: 16px;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card .stat-icon {
  width: 50px; height: 50px; border-radius: 12px;
  display: grid; place-items: center;
  font-size: 22px; flex-shrink: 0;
}
.stat-card .stat-value { font-size: 28px; font-weight: 800; color: var(--navy); line-height: 1; }
.stat-card .stat-label { font-size: 12px; color: var(--muted); font-weight: 500; margin-top: 4px; }
.stat-card .stat-change { font-size: 12px; font-weight: 600; margin-top: 6px; }

/* Color variants for stat icons */
.icon-green  { background: var(--green-pale); color: var(--green-deep); }
.icon-blue   { background: #ebf8ff; color: #2b6cb0; }
.icon-orange { background: #fff5eb; color: #c05621; }
.icon-purple { background: #f5f3ff; color: #6b46c1; }
.icon-gold   { background: var(--gold-light); color: #744210; }
.icon-red    { background: #fff5f5; color: #c53030; }

/* ============================
   TABLES
   ============================ */
.table-wrapper { overflow-x: auto; border-radius: var(--radius); }
.tg-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tg-table thead th {
  padding: 12px 16px;
  background: var(--green-bg); color: var(--green-deep);
  font-weight: 700; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.8px; border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.tg-table tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tg-table tbody tr:last-child td { border-bottom: none; }
.tg-table tbody tr:hover { background: var(--green-bg); }
.tg-table .thesis-title { font-weight: 600; color: var(--navy); line-height: 1.4; }
.tg-table .thesis-code { font-size: 11px; color: var(--muted); font-family: monospace; }

/* ============================
   BUTTONS
   ============================ */
.btn-primary-tg {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  color: #fff; border: none; padding: 9px 20px;
  border-radius: 8px; font-size: 13.5px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  text-decoration: none; display: inline-flex; align-items: center; gap: 7px;
  box-shadow: 0 2px 8px rgba(45,106,79,0.25);
}
.btn-primary-tg:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(45,106,79,0.4); color: #fff;
}
.btn-outline-tg {
  background: transparent; color: var(--green-dark);
  border: 1.5px solid var(--green-dark); padding: 8px 18px;
  border-radius: 8px; font-size: 13.5px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  text-decoration: none; display: inline-flex; align-items: center; gap: 7px;
}
.btn-outline-tg:hover { background: var(--green-pale); color: var(--green-deep); }

.btn-sm-tg { padding: 5px 12px; font-size: 12px; border-radius: 6px; }

/* ============================
   FORMS
   ============================ */
.form-label { font-size: 12.5px; font-weight: 600; color: var(--slate); margin-bottom: 5px; }
.form-control, .form-select {
  border: 1.5px solid var(--border); border-radius: 8px;
  padding: 9px 13px; font-size: 13.5px; color: var(--navy);
  font-family: inherit; transition: var(--transition); width: 100%;
  background: #fff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--green-mid); box-shadow: 0 0 0 3px rgba(64,145,108,0.12);
  outline: none;
}
.form-control::placeholder { color: #b0b7c3; }
textarea.form-control { resize: vertical; min-height: 90px; }
.input-group { display: flex; gap: 0; }
.input-group .form-control { border-radius: 8px 0 0 8px; }
.input-group .input-append {
  background: var(--green-bg); border: 1.5px solid var(--border);
  border-left: none; padding: 9px 13px; border-radius: 0 8px 8px 0;
  color: var(--muted); display: grid; place-items: center;
}
.form-hint { font-size: 11.5px; color: var(--muted); margin-top: 4px; }

/* ============================
   AUTH PAGES
   ============================ */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--green-deep) 0%, #2d6a4f 60%, #40916c 100%);
  position: relative; overflow: hidden;
}
.auth-page::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.auth-card {
  background: #fff; border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  width: 440px; max-width: 96vw;
  overflow: hidden; position: relative; z-index: 1;
  animation: slideUp 0.4s ease;
}
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
.auth-header {
  background: linear-gradient(135deg, var(--green-deep), var(--green-dark));
  padding: 30px 36px 26px; text-align: center;
}
.auth-header .auth-logo { font-size: 36px; margin-bottom: 10px; }
.auth-header h1 { color: #fff; font-size: 24px; font-weight: 800; margin: 0 0 4px; letter-spacing: -0.5px; }
.auth-header p { color: var(--green-light); font-size: 12px; opacity: 0.9; margin: 0; }
.auth-body { padding: 32px 36px; }
.auth-divider { text-align: center; margin: 10px 0 20px; font-size: 12px; color: var(--muted); }
.auth-footer { padding: 18px 36px 28px; text-align: center; }
.auth-footer p { font-size: 12.5px; color: var(--muted); margin: 0; }
.auth-footer a { color: var(--green-dark); font-weight: 600; text-decoration: none; }

/* ============================
   BADGES & PILLS
   ============================ */
.badge { font-size: 11px; font-weight: 700; padding: 4px 9px; border-radius: 5px; }
.role-badge {
  display: inline-block; font-size: 10px; font-weight: 700;
  padding: 3px 8px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.5px;
}
.role-admin    { background: #fff0f0; color: #c53030; }
.role-chairman { background: var(--gold-light); color: #744210; }  /* legacy */
.role-faculty  { background: var(--green-pale); color: var(--green-deep); } /* legacy */
.role-staff    { background: var(--gold-light); color: #744210; }
.role-panelist { background: #ebf8ff; color: #2b6cb0; }
.role-student  { background: #f5f3ff; color: #553c9a; }

/* ============================
   RUBRIC / GRADING FORM
   ============================ */
.rubric-table { width: 100%; border-collapse: collapse; }
.rubric-table th, .rubric-table td { padding: 13px 16px; border-bottom: 1px solid var(--border); }
.rubric-table thead { background: var(--green-bg); }
.rubric-table thead th { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: var(--green-deep); }
.score-input {
  width: 80px; text-align: center; border-radius: 8px;
  border: 1.5px solid var(--border); padding: 7px; font-size: 14px;
  font-weight: 700; color: var(--navy); transition: var(--transition);
}
.score-input:focus { border-color: var(--green-mid); box-shadow: 0 0 0 3px rgba(64,145,108,0.12); outline: none; }
.score-range { font-size: 11px; color: var(--muted); }
.total-score-display {
  text-align: center; padding: 20px;
  background: linear-gradient(135deg, var(--green-deep), var(--green-dark));
  border-radius: 12px; color: #fff;
}
.total-score-display .score-big { font-size: 48px; font-weight: 800; line-height: 1; }
.total-score-display .score-label { font-size: 12px; opacity: 0.8; margin-top: 6px; }
.score-bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin-top: 4px; }
.score-bar-fill { height: 100%; background: linear-gradient(90deg, var(--green-mid), var(--green-light)); border-radius: 3px; transition: width 0.5s ease; }

/* ============================
   ALERTS
   ============================ */
.alert-tg {
  padding: 12px 16px; border-radius: 8px; font-size: 13.5px;
  display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px;
}
.alert-success { background: #f0fff4; border: 1px solid #9ae6b4; color: #276749; }
.alert-danger   { background: #fff5f5; border: 1px solid #fed7d7; color: #c53030; }
.alert-warning  { background: #fffaf0; border: 1px solid #fbd38d; color: #7b341e; }
.alert-info     { background: #ebf8ff; border: 1px solid #bee3f8; color: #2a69ac; }

/* ============================
   EMPTY STATE
   ============================ */
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state .empty-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-size: 16px; color: var(--slate); font-weight: 700; margin-bottom: 6px; }
.empty-state p { font-size: 13.5px; }

/* ============================
   PAGINATION
   ============================ */
.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 20px; }
.page-item a, .page-item span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 7px; font-size: 13px; font-weight: 600;
  text-decoration: none; transition: var(--transition); border: 1px solid var(--border);
  color: var(--slate); background: #fff;
}
.page-item.active span { background: var(--green-mid); color: #fff; border-color: var(--green-mid); }
.page-item a:hover { background: var(--green-pale); border-color: var(--green-light); color: var(--green-deep); }

/* ============================
   MODAL OVERLAY
   ============================ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal-box {
  background: #fff; border-radius: 14px; width: 560px; max-width: 95vw;
  max-height: 90vh; overflow-y: auto;
  transform: translateY(20px); transition: transform 0.3s ease;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-overlay.show .modal-box { transform: translateY(0); }
.modal-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 16px; font-weight: 700; color: var(--navy); }
.modal-close { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--muted); padding: 4px; }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ============================
   MISC
   ============================ */
.section-title { font-size: 20px; font-weight: 800; color: var(--navy); margin-bottom: 4px; }
.section-sub { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; gap: 16px; flex-wrap: wrap; }
.breadcrumb-tg { font-size: 12px; color: var(--muted); }
.breadcrumb-tg a { color: var(--green-dark); text-decoration: none; }
.divider { height: 1px; background: var(--border); margin: 20px 0; }
.text-green { color: var(--green-dark); }
.text-muted { color: var(--muted); }
.fw-700 { font-weight: 700; }
.gap-2 { gap: 8px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.w-100 { width: 100%; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .page-content { padding: 16px; }
}

/* Toast Notifications */
#toast-container { position: fixed; top: 76px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast-msg {
  background: #fff; border-radius: 10px; padding: 14px 18px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15); font-size: 13.5px;
  display: flex; align-items: center; gap: 12px; min-width: 280px;
  border-left: 4px solid var(--green-mid);
  animation: toastIn 0.3s ease;
}
.toast-msg.error { border-left-color: #e53e3e; }
.toast-msg.warning { border-left-color: var(--gold); }
@keyframes toastIn { from { opacity:0; transform:translateX(30px); } to { opacity:1; transform:translateX(0); } }