/* ============================================================
   DANI SPARK — Netflix-inspired CSS
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
  --bg-primary:    #0F172A;
  --bg-secondary:  #111827;
  --bg-card:       #1E293B;
  --bg-elevated:   #293548;
  --accent:        #2563EB;
  --accent-hover:  #1D4ED8;
  --accent-cyan:   #06B6D4;
  --accent-purple: #9333EA;
  --text-primary:  #F1F5F9;
  --text-secondary:#94A3B8;
  --text-muted:    #64748B;
  --border:        #1E3A5F;
  --success:       #10B981;
  --warning:       #F59E0B;
  --danger:        #EF4444;
  --radius:        8px;
  --radius-lg:     12px;
  --radius-xl:     20px;
  --shadow:        0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.7);
  --transition:    all 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--text-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 68px;
  background-color: rgba(15,23,42,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.navbar-brand { display: flex; align-items: center; text-decoration: none; }

.navbar-logo {
  font-size: 1.75rem; font-weight: 900; color: var(--accent);
  letter-spacing: -1px; text-transform: uppercase;
}

.navbar-nav { display: flex; align-items: center; gap: 12px; }

.nav-user {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 6px 12px; border-radius: var(--radius); transition: var(--transition);
  color: var(--text-primary); user-select: none;
}
.nav-user:hover { background-color: var(--bg-card); color: var(--text-primary); }

.nav-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background-color: var(--bg-elevated);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; border: 2px solid var(--accent);
}

.nav-username { font-size: 0.9rem; font-weight: 500; }

.nav-admin-badge {
  background: var(--accent); color: white;
  font-size: 0.62rem; font-weight: 700;
  padding: 2px 7px; border-radius: 4px; text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; gap: 8px; }

/* Notification bell */
.nav-notif-wrapper { position: relative; }

.nav-notif-btn {
  position: relative; display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%; cursor: pointer;
  font-size: 1.1rem; transition: var(--transition);
  background: var(--bg-elevated);
}
.nav-notif-btn:hover { background: var(--bg-card); }

.nav-notif-badge {
  position: absolute; top: -3px; right: -3px;
  min-width: 17px; height: 17px; border-radius: 50%;
  background: var(--accent); color: white;
  font-size: 0.6rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  padding: 0 3px; border: 2px solid var(--bg-primary);
}

.nav-notif-panel {
  display: none;
  position: absolute; top: calc(100% + 8px); right: 0;
  width: 310px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(0,0,0,0.5);
  z-index: 1100;
  overflow: hidden;
  animation: fadeInDown 0.15s ease;
}
.nav-notif-wrapper:hover .nav-notif-panel { display: block; }

.nav-notif-header {
  padding: 10px 14px; font-size: 0.75rem; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.nav-notif-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; font-size: 0.85rem;
}

.nav-notif-footer {
  padding: 9px 14px; border-top: 1px solid var(--border);
  text-align: center; font-size: 0.82rem;
}
.nav-notif-footer a { color: var(--accent); font-weight: 600; }

/* Profile dropdown */
.nav-profile-dropdown { position: relative; }

.nav-profile-menu {
  display: none;
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 190px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(0,0,0,0.5);
  z-index: 1100;
  overflow: hidden;
  animation: fadeInDown 0.15s ease;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-profile-dropdown:hover .nav-profile-menu { display: block; }

.nav-profile-menu-divider {
  height: 1px; background: var(--border); margin: 4px 0;
}

.nav-profile-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px; font-size: 0.88rem;
  color: var(--text-primary); text-decoration: none;
  background: none; border: none; width: 100%;
  text-align: left; cursor: pointer;
  transition: background 0.15s;
}

.nav-profile-item:hover { background: var(--bg-elevated); color: var(--text-primary); }

.nav-profile-item.danger { color: #f87171; }
.nav-profile-item.danger:hover { background: rgba(239,68,68,0.12); color: #f87171; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 7px; padding: 10px 24px; border: none; border-radius: var(--radius);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); text-decoration: none;
  white-space: nowrap; user-select: none;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background-color: var(--accent); color: white; }
.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover); color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(37,99,235,0.4);
}

.btn-secondary {
  background-color: transparent; color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-card); border-color: var(--text-secondary); color: white;
}

.btn-danger { background-color: var(--danger); color: white; }
.btn-danger:hover:not(:disabled) { background-color: #c0392b; transform: translateY(-1px); }

.btn-warning { background-color: var(--warning); color: white; }
.btn-warning:hover:not(:disabled) { background-color: #e67e22; transform: translateY(-1px); }

.btn-ghost {
  background-color: transparent; color: var(--text-secondary);
  border: none; padding: 8px 14px;
}
.btn-ghost:hover { color: var(--text-primary); background-color: rgba(255,255,255,0.08); }

.btn-sm  { padding: 6px 14px; font-size: 0.82rem; }
.btn-lg  { padding: 14px 32px; font-size: 1.05rem; }
.btn-block { width: 100%; }

.btn-group { display: flex; gap: 10px; flex-wrap: wrap; }

/* ============================================================
   LAYOUT
   ============================================================ */
.page-wrapper { padding-top: 68px; min-height: 100vh; }

.container    { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 480px;  margin: 0 auto; padding: 0 24px; }
.container-md { max-width: 700px;  margin: 0 auto; padding: 0 24px; }

/* ============================================================
   AUTH PAGES (login / register)
   ============================================================ */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 88px 20px 40px;
  background: radial-gradient(ellipse at 50% 0%,rgba(37,99,235,0.07) 0%,transparent 60%),
              var(--bg-primary);
}

.auth-card {
  background-color: rgba(0,0,0,0.78); backdrop-filter: blur(12px);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  padding: 48px 44px; width: 100%; max-width: 480px;
  box-shadow: var(--shadow-lg);
}

.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo .logo-text { font-size: 2rem; font-weight: 900; color: var(--accent); letter-spacing: -1px; }

.auth-title    { font-size: 1.75rem; font-weight: 700; margin-bottom: 6px; text-align: center; }
.auth-subtitle { color: var(--text-secondary); text-align: center; margin-bottom: 28px; font-size: 0.95rem; }

/* ---- Form Elements ---- */
.form-group { margin-bottom: 20px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-label {
  display: block; font-size: 0.8rem; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 7px;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.form-input {
  width: 100%; padding: 13px 15px;
  background-color: var(--bg-elevated); border: 1.5px solid var(--border);
  border-radius: var(--radius); color: var(--text-primary);
  font-size: 1rem; transition: var(--transition); outline: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus {
  border-color: var(--accent); background-color: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.form-input.error { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(231,76,60,0.15); }

.input-group { position: relative; display: flex; }
.input-group .form-input { flex: 1; border-radius: var(--radius) 0 0 var(--radius); }
.input-group .input-addon {
  padding: 13px 14px;
  background-color: var(--bg-elevated); border: 1.5px solid var(--border);
  border-left: none; border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-secondary); cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; font-size: 0.9rem;
}
.input-group .input-addon:hover { background-color: var(--bg-card); color: var(--text-primary); }

.form-hint  { font-size: 0.78rem; color: var(--text-muted); margin-top: 5px; }

.form-error { font-size: 0.8rem; color: var(--danger); margin-top: 5px; display: none; }
.form-error.visible { display: block; }

/* ---- Password Strength ---- */
.password-strength { margin-top: 8px; }

.strength-bar {
  height: 4px; border-radius: 2px; background: var(--border);
  overflow: hidden; margin-bottom: 4px;
}
.strength-fill {
  height: 100%; border-radius: 2px;
  transition: width 0.3s ease, background-color 0.3s ease; width: 0%;
}
.strength-text { font-size: 0.76rem; color: var(--text-muted); }

/* ---- Avatar Picker ---- */
.avatar-section { margin-bottom: 22px; }
.avatar-section .form-label { margin-bottom: 12px; }

.avatar-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 9px; }

.avatar-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 9px 5px; border-radius: var(--radius);
  border: 2px solid var(--border); cursor: pointer;
  transition: var(--transition); background-color: var(--bg-elevated);
}
.avatar-item:hover {
  border-color: var(--text-secondary); background-color: var(--bg-card);
  transform: translateY(-2px);
}
.avatar-item.selected {
  border-color: var(--accent); background-color: rgba(37,99,235,0.12);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
}

.avatar-emoji { font-size: 1.5rem; line-height: 1; }
.avatar-label { font-size: 0.62rem; color: var(--text-muted); text-align: center; }
.avatar-item.selected .avatar-label { color: var(--accent); }

/* ---- Generated Password Display ---- */
.generated-password {
  font-family: 'Courier New', monospace;
  background: var(--bg-secondary); border: 1px solid var(--success);
  color: var(--success); padding: 9px 13px; border-radius: var(--radius);
  font-size: 0.82rem; word-break: break-all; margin-top: 8px; display: none;
}
.generated-password.visible { display: block; }

/* ---- Alerts ---- */
.alert {
  padding: 13px 16px; border-radius: var(--radius); margin-bottom: 18px;
  font-size: 0.9rem; display: flex; align-items: flex-start; gap: 10px;
}
.alert-error   { background:rgba(231,76,60,0.14);  border:1px solid rgba(231,76,60,0.35);  color:#ff6b6b; }
.alert-success { background:rgba(46,204,113,0.14); border:1px solid rgba(46,204,113,0.35); color:#55efc4; }
.alert-warning { background:rgba(243,156,18,0.14); border:1px solid rgba(243,156,18,0.35); color:#ffeaa7; }
.alert-icon { flex-shrink: 0; }

/* ---- Divider & Footer ---- */
.auth-divider { display:flex; align-items:center; gap:14px; margin: 22px 0; }
.auth-divider::before, .auth-divider::after { content:''; flex:1; height:1px; background:var(--border); }
.auth-divider span { color:var(--text-muted); font-size:0.82rem; }

.auth-footer { text-align:center; margin-top:20px; color:var(--text-secondary); font-size:0.9rem; }
.auth-footer a { color:var(--accent); font-weight:600; }
.auth-footer a:hover { text-decoration:underline; }

/* ============================================================
   HOME PAGE — HERO
   ============================================================ */
.hero {
  min-height: calc(100vh - 68px);
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 40px 20px;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(37,99,235,0.07) 0%, transparent 65%),
    var(--bg-primary);
}

.hero-content { max-width: 680px; }

.hero-badge {
  display: inline-block;
  background: rgba(37,99,235,0.14); border: 1px solid rgba(37,99,235,0.3);
  color: var(--accent); font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px;
  padding: 6px 16px; border-radius: 20px; margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 900; line-height: 1.15;
  margin-bottom: 18px; letter-spacing: -0.5px;
}
.hero-title .highlight { color: var(--accent); }

.hero-subtitle {
  font-size: 1.1rem; color: var(--text-secondary);
  margin-bottom: 36px; line-height: 1.75;
}

.hero-avatar {
  width: 88px; height: 88px; border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
  border: 3px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem; margin: 0 auto 28px;
  box-shadow: 0 0 30px rgba(37,99,235,0.28);
}

/* ============================================================
   WELCOME PAGE
   ============================================================ */
.welcome-page {
  min-height: calc(100vh - 68px);
  display: flex; align-items: center; justify-content: center;
  padding: 40px 20px;
  background: radial-gradient(ellipse at 50% 30%, rgba(37,99,235,0.11) 0%, transparent 65%),
              var(--bg-primary);
}

.welcome-card { text-align: center; max-width: 500px; width: 100%; }

.welcome-avatar {
  width: 100px; height: 100px; border-radius: 50%;
  background: var(--bg-card); border: 3px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem; margin: 0 auto 22px;
  box-shadow: 0 0 40px rgba(37,99,235,0.25), 0 0 80px rgba(37,99,235,0.1);
  animation: welcomePulse 0.7s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes welcomePulse {
  from { transform: scale(0.4); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.welcome-greeting {
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 3px; color: var(--accent); margin-bottom: 8px;
  animation: fadeUp 0.4s ease 0.25s both;
}
.welcome-title {
  font-size: clamp(2rem, 5vw, 2.9rem); font-weight: 900;
  margin-bottom: 14px; animation: fadeUp 0.4s ease 0.4s both;
}
.welcome-message {
  color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7;
  margin-bottom: 36px; animation: fadeUp 0.4s ease 0.55s both;
}
.welcome-actions {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  animation: fadeUp 0.4s ease 0.7s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   ADMIN PAGE
   ============================================================ */
.admin-header { margin-bottom: 28px; }
.admin-title  { font-size: 1.75rem; font-weight: 800; margin-bottom: 6px; }
.admin-subtitle { color: var(--text-secondary); font-size: 0.95rem; }

.admin-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 28px; }

.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px; text-align: center;
  transition: var(--transition);
}
.stat-card:hover { border-color: rgba(37,99,235,0.4); transform: translateY(-2px); }

.stat-number { font-size: 2.1rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label  { font-size: 0.75rem; color: var(--text-muted); margin-top: 5px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ---- User Cards ---- */
.users-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; }

.user-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.user-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--border); transition: var(--transition);
}
.user-card:hover {
  border-color: rgba(37,99,235,0.28); transform: translateY(-3px); box-shadow: var(--shadow);
}
.user-card:hover::before,
.user-card.admin-card::before { background: var(--accent); }

.user-card-avatar {
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--bg-elevated); border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; margin-bottom: 13px;
}
.user-card.admin-card .user-card-avatar { border-color: var(--accent); }

.user-card-name     { font-size: 1rem; font-weight: 700; margin-bottom: 3px; }
.user-card-username { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 10px; font-family: 'Courier New', monospace; }

.user-card-role {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 14px;
}
.role-admin { background:rgba(37,99,235,0.18); color:var(--accent); border:1px solid rgba(37,99,235,0.3); }
.role-user  { background:rgba(179,179,179,0.12); color:var(--text-secondary); border:1px solid var(--border); }

.user-card-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.78);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000; backdrop-filter: blur(5px); padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.modal-overlay.visible { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 32px; max-width: 420px; width: 100%;
  transform: scale(0.94); transition: transform 0.2s ease;
}
.modal-overlay.visible .modal { transform: scale(1); }

.modal-title    { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.modal-subtitle { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; }
.modal-actions  { display: flex; gap: 10px; justify-content: flex-end; margin-top: 22px; }

/* ============================================================
   LOADING
   ============================================================ */
.loading-spinner {
  display: inline-block; width: 20px; height: 20px;
  border: 2.5px solid rgba(255,255,255,0.25); border-top-color: white;
  border-radius: 50%; animation: spin 0.65s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; backdrop-filter: blur(4px);
}
.loading-content { text-align: center; }
.loading-content .loading-spinner { width: 40px; height: 40px; border-width: 3px; display: block; margin: 0 auto 14px; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); }
.empty-state-icon  { font-size: 3.5rem; margin-bottom: 14px; }
.empty-state-title { font-size: 1.15rem; font-weight: 600; margin-bottom: 6px; }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center  { text-align: center; }
.text-muted   { color: var(--text-muted); }
.text-accent  { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.hidden       { display: none !important; }
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .navbar { padding: 0 18px; }
  .auth-card { padding: 30px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .avatar-grid { grid-template-columns: repeat(4, 1fr); }
  .users-grid  { grid-template-columns: 1fr; }
  .btn-group   { flex-direction: column; align-items: stretch; }
  .hero-title  { font-size: 2rem; }
}

@media (max-width: 480px) {
  .avatar-grid  { grid-template-columns: repeat(3, 1fr); }
  .navbar-logo  { font-size: 1.35rem; }
  .admin-stats  { grid-template-columns: repeat(2, 1fr); }
  .modal-actions { flex-direction: column-reverse; }
}