/* ===== MATRIX THEME ===== */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap');

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

:root {
  --green:      #00ff41;
  --green-dim:  #00c832;
  --green-dk:   #007a1f;
  --green-glow: rgba(0,255,65,.18);
  --green-glow2:rgba(0,255,65,.07);
  --black:      #000000;
  --bg:         #020a02;
  --bg2:        #050f05;
  --bg3:        #071207;
  --border:     rgba(0,255,65,.22);
  --border-hot: rgba(0,255,65,.6);
  --danger:     #ff2222;
  --danger-dim: rgba(255,34,34,.15);
  --shadow:     0 0 18px rgba(0,255,65,.12);
  --shadow-hot: 0 0 28px rgba(0,255,65,.35);
  --radius:     4px;
  --font:       'Share Tech Mono', 'Courier New', monospace;
  --font-title: 'Orbitron', monospace;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--green-dk); border-radius:3px; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--green);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── MATRIX RAIN CANVAS ── */
#matrix-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: .13;
}

/* All content above canvas */
header, .container, .login-wrap, #app { position: relative; z-index: 1; }

/* ── SCANLINE OVERLAY ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,.08) 2px,
    rgba(0,0,0,.08) 4px
  );
  pointer-events: none;
  z-index: 2;
}

/* ── HEADER ── */
.site-header {
  background: rgba(0,5,0,.92);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  box-shadow: 0 0 20px rgba(0,255,65,.1);
  backdrop-filter: blur(4px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .logo {
  font-family: var(--font-title);
  font-size: .85rem;
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 10px var(--green);
  letter-spacing: .1em;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.logo-bracket { color: var(--green-dk); }
.site-header nav a {
  color: var(--green-dim);
  text-decoration: none;
  font-size: .8rem;
  margin-left: 1rem;
  padding: .3rem .7rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  letter-spacing: .05em;
  transition: all .2s;
}
.site-header nav a:hover {
  border-color: var(--border-hot);
  color: var(--green);
  text-shadow: 0 0 8px var(--green);
  background: var(--green-glow2);
}

/* ── CONTAINER ── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1rem;
}
.container.wide { max-width: 1280px; }

/* ── CARD ── */
.card {
  background: rgba(2,10,2,.88);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(2px);
  transition: border-color .3s, box-shadow .3s;
}
.card:hover {
  border-color: rgba(0,255,65,.38);
  box-shadow: var(--shadow-hot);
}
.card-title {
  font-family: var(--font-title);
  font-size: .78rem;
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 8px var(--green);
  margin-bottom: 1.25rem;
  padding-bottom: .65rem;
  border-bottom: 1px solid var(--border);
  letter-spacing: .12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── LOGIN ── */
.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 56px);
  padding: 2rem 1rem;
}
.login-box {
  background: rgba(0,8,0,.92);
  border: 1px solid var(--border-hot);
  border-radius: var(--radius);
  box-shadow: 0 0 60px rgba(0,255,65,.15), inset 0 0 40px rgba(0,255,65,.03);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 420px;
  text-align: center;
}
.login-icon {
  font-size: 2.5rem;
  margin-bottom: .75rem;
  filter: drop-shadow(0 0 12px var(--green));
}
.login-box h1 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--green);
  text-shadow: 0 0 12px var(--green);
  letter-spacing: .15em;
  margin-bottom: .3rem;
}
.login-box p {
  color: var(--green-dk);
  font-size: .82rem;
  margin-bottom: 1.75rem;
  letter-spacing: .03em;
}
.login-box .subtitle-blink::after {
  content: '_';
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity:0; } }

/* ── FORM ── */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-size: .78rem;
  color: var(--green-dk);
  margin-bottom: .4rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .65rem .9rem;
  background: rgba(0,20,0,.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--green);
  font-family: var(--font);
  font-size: .9rem;
  letter-spacing: .04em;
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none;
}
.form-group select option { background: #020a02; color: var(--green); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 12px rgba(0,255,65,.25), inset 0 0 8px rgba(0,255,65,.05);
}
.form-group input[readonly] {
  background: rgba(0,10,0,.5);
  color: var(--green-dk);
  border-color: rgba(0,255,65,.1);
  cursor: not-allowed;
}
.form-group input::placeholder { color: rgba(0,255,65,.25); }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media(max-width:580px){ .form-row { grid-template-columns: 1fr; } }

/* ── HORARIOS ── */
.schedule-grid { display: grid; gap: .5rem; }
.schedule-day {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  gap: .75rem;
  background: rgba(0,15,0,.6);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .5rem .75rem;
  transition: border-color .2s;
}
.schedule-day:hover { border-color: var(--border-hot); }
.schedule-day label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  color: var(--green-dim);
  cursor: pointer;
  letter-spacing: .05em;
}
.schedule-day label input[type=checkbox] {
  width: 14px; height: 14px;
  accent-color: var(--green);
  cursor: pointer;
}
.schedule-times {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.schedule-times input[type=time] {
  width: 120px;
  padding: .3rem .5rem;
  background: rgba(0,20,0,.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--green);
  font-family: var(--font);
  font-size: .82rem;
}
.schedule-times span { color: var(--green-dk); font-size: .8rem; }
.schedule-times.disabled { opacity: .3; pointer-events: none; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.3rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-title);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  text-transform: uppercase;
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: rgba(0,255,65,.08);
  border-color: var(--green);
  color: var(--green);
  text-shadow: 0 0 8px var(--green);
  box-shadow: 0 0 12px rgba(0,255,65,.1);
}
.btn-primary:hover {
  background: rgba(0,255,65,.18);
  box-shadow: 0 0 20px rgba(0,255,65,.3);
  border-color: var(--green);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--green-dk);
}
.btn-secondary:hover {
  border-color: var(--green-dim);
  color: var(--green);
  background: var(--green-glow2);
}

.btn-danger {
  background: var(--danger-dim);
  border-color: var(--danger);
  color: var(--danger);
}
.btn-danger:hover {
  background: rgba(255,34,34,.25);
  box-shadow: 0 0 12px rgba(255,34,34,.2);
}

.btn-sm { padding: .3rem .65rem; font-size: .65rem; }
.btn-block { width: 100%; justify-content: center; }

/* ── ALERTS ── */
.alert {
  padding: .7rem 1rem;
  border-radius: var(--radius);
  font-size: .82rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  letter-spacing: .03em;
  border-left: 3px solid;
}
.alert-success {
  background: rgba(0,255,65,.06);
  color: var(--green);
  border-left-color: var(--green);
}
.alert-error {
  background: var(--danger-dim);
  color: var(--danger);
  border-left-color: var(--danger);
}
.alert-info {
  background: rgba(0,100,200,.1);
  color: #4af;
  border-left-color: #4af;
}

/* ── BADGE ── */
.badge {
  display: inline-block;
  padding: .18rem .55rem;
  border-radius: 2px;
  font-size: .68rem;
  letter-spacing: .06em;
  font-family: var(--font-title);
  text-transform: uppercase;
}
.badge-green  { background: rgba(0,255,65,.1); color: var(--green); border:1px solid rgba(0,255,65,.3); }
.badge-gray   { background: rgba(0,255,65,.03); color: var(--green-dk); border:1px solid var(--border); }
.badge-orange { background: rgba(255,160,0,.1); color: #fa0; border:1px solid rgba(255,160,0,.3); }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .83rem; }
thead th {
  background: rgba(0,255,65,.06);
  color: var(--green);
  padding: .65rem .85rem;
  text-align: left;
  font-family: var(--font-title);
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-hot);
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid rgba(0,255,65,.07); transition: background .15s; }
tbody tr:hover { background: rgba(0,255,65,.04); }
tbody td { padding: .55rem .85rem; color: var(--green-dim); }
tbody td strong { color: var(--green); }
tbody td code {
  background: rgba(0,255,65,.08);
  padding: .1rem .4rem;
  border-radius: 2px;
  font-size: .8rem;
  color: var(--green);
}

/* ── SEARCH BAR ── */
.search-bar {
  display: flex;
  gap: .65rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.search-bar input, .search-bar select {
  padding: .5rem .75rem;
  background: rgba(0,20,0,.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--green);
  font-family: var(--font);
  font-size: .83rem;
}
.search-bar input { flex: 1; min-width: 180px; }
.search-bar input:focus, .search-bar select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 10px rgba(0,255,65,.2);
}
.search-bar select option { background: #020a02; }

/* ── MODAL ── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.82);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(3px);
}
.modal-overlay.open { display: flex; }
.modal {
  background: rgba(2,8,2,.97);
  border: 1px solid var(--border-hot);
  border-radius: var(--radius);
  box-shadow: 0 0 60px rgba(0,255,65,.2);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 {
  font-family: var(--font-title);
  font-size: .8rem;
  color: var(--green);
  text-shadow: 0 0 8px var(--green);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.modal-close {
  background: none; border: none;
  font-size: 1.3rem; cursor: pointer;
  color: var(--green-dk); line-height: 1;
  transition: color .2s;
}
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 1.5rem; }
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; gap: .75rem; justify-content: flex-end;
}

/* ── STATS ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-box {
  background: rgba(2,10,2,.88);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all .3s;
}
.stat-box:hover {
  border-color: var(--border-hot);
  box-shadow: var(--shadow-hot);
}
.stat-box .stat-num {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 900;
  color: var(--green);
  text-shadow: 0 0 16px var(--green);
  line-height: 1;
}
.stat-box .stat-label {
  font-size: .72rem;
  color: var(--green-dk);
  margin-top: .3rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ── PROFILE HEADER ── */
.profile-header {
  background: rgba(0,12,0,.9);
  border: 1px solid var(--border-hot);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: 0 0 30px rgba(0,255,65,.08);
}
.profile-avatar {
  width: 60px; height: 60px;
  background: rgba(0,255,65,.06);
  border: 1px solid var(--border-hot);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  filter: drop-shadow(0 0 8px var(--green));
  flex-shrink: 0;
}
.profile-header h1 {
  font-family: var(--font-title);
  font-size: 1rem;
  color: var(--green);
  text-shadow: 0 0 10px var(--green);
  letter-spacing: .08em;
  margin-bottom: .25rem;
}
.profile-header p { font-size: .8rem; color: var(--green-dk); letter-spacing: .04em; }

/* ── MISC ── */
.text-muted { color: var(--green-dk); font-size: .82rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.flex-end { display: flex; justify-content: flex-end; gap: .75rem; }
hr.sep { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }

/* ── GLITCH ANIMATION ── */
@keyframes glitch {
  0%,100% { text-shadow: 0 0 10px var(--green); transform: translate(0); }
  20% { text-shadow: -2px 0 #ff0080, 2px 0 #00ffff; transform: translate(-1px,0); }
  40% { text-shadow: 2px 0 #ff0080, -2px 0 #00ffff; transform: translate(1px,0); }
  60% { text-shadow: 0 0 10px var(--green); transform: translate(0); }
}
.glitch:hover { animation: glitch .4s steps(2) infinite; }

/* ── TAG DAYS ── */
.tag-dia {
  display: inline-block;
  background: rgba(0,255,65,.08);
  color: var(--green);
  border: 1px solid rgba(0,255,65,.2);
  border-radius: 2px;
  padding: 1px 5px;
  font-size: .7rem;
  margin: 1px;
  letter-spacing: .03em;
}
.horario-cell { font-size: .78rem; line-height: 1.8; }

/* ── LOGIN OVERLAY (admin) ── */
#login-overlay {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

/* ── TERMINAL TYPING EFFECT ── */
.terminal-line {
  font-size: .78rem;
  color: var(--green-dk);
  letter-spacing: .04em;
  padding: .2rem 0;
}
.terminal-line::before { content: '> '; color: var(--green); }