/* ===================================================
   Sports Prediction — Modern Dark Theme Design System
   =================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Variables ── */
:root {
  --bg-base:         #080c18;
  --bg-surface:      #0f1629;
  --bg-elevated:     #151d35;

  --glass-bg:        rgba(255,255,255,0.04);
  --glass-border:    rgba(255,255,255,0.09);
  --glass-bg-hover:  rgba(255,255,255,0.08);

  --primary:         #7c6bff;
  --primary-end:     #a855f7;
  --primary-glow:    rgba(124,107,255,0.35);

  --accent:          #f59e0b;
  --accent-glow:     rgba(245,158,11,0.35);

  --success:         #10b981;
  --info:            #38bdf8;
  --warning:         #f59e0b;
  --danger:          #f43f5e;

  --text-primary:    #f1f5f9;
  --text-muted:      #94a3b8;
  --text-secondary:  #cbd5e1;

  --border:          rgba(255,255,255,0.09);
  --radius:          12px;
  --radius-sm:       8px;
  --radius-lg:       18px;

  --shadow:          0 4px 24px rgba(0,0,0,0.5);
  --shadow-glow:     0 0 32px var(--primary-glow);

  --transition:      all 0.25s cubic-bezier(0.4,0,0.2,1);

  /* ── Override Bootstrap variables ── */
  --bs-body-color:          #f1f5f9;
  --bs-body-bg:             #080c18;
  --bs-secondary-color:     #cbd5e1;
  --bs-tertiary-color:      #94a3b8;
  --bs-emphasis-color:      #f1f5f9;
  --bs-heading-color:       #f1f5f9;
  --bs-link-color:          #7c6bff;
  --bs-link-hover-color:    #a78bfa;
  --bs-border-color:        rgba(255,255,255,0.09);
  --bs-card-bg:             rgba(255,255,255,0.04);
  --bs-card-border-color:   rgba(255,255,255,0.09);
  --bs-table-color:         #f1f5f9;
  --bs-table-bg:            transparent;
  --bs-table-striped-color: #f1f5f9;
}

/* ── Base ── */
html { font-size: 14px; }

@media (min-width: 768px) { html { font-size: 16px; } }

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-base);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(124,107,255,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(168,85,247,0.10) 0%, transparent 55%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  line-height: 1.6;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 700; }

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Navbar ── */
.navbar {
  background: rgba(8,12,24,0.85) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.6rem 0;
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 2px 30px rgba(0,0,0,0.4);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-primary) !important;
  letter-spacing: -0.3px;
}

.navbar-brand:hover { color: var(--primary) !important; }

.navbar .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.45rem 0.85rem !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: var(--text-primary) !important;
  background: var(--glass-bg-hover);
}

.navbar .dropdown-menu {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  padding: 0.5rem;
  margin-top: 0.5rem;
}

.navbar .dropdown-item {
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0.85rem;
}

.navbar .dropdown-item:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
}

.navbar .dropdown-divider { border-color: var(--glass-border); }

.navbar-toggler { border-color: var(--glass-border); }
.navbar-toggler-icon {
  filter: invert(1);
}

/* ── Glass Card ── */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  transition: var(--transition);
}

.card:hover { border-color: rgba(124,107,255,0.25); }

.card-header {
  background: rgba(255,255,255,0.04) !important;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text-primary) !important;
  font-weight: 600;
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0 !important;
}

.card-footer {
  background: rgba(255,255,255,0.03) !important;
  border-top: 1px solid var(--glass-border);
  border-radius: 0 0 calc(var(--radius) - 1px) calc(var(--radius) - 1px) !important;
}

/* ── Buttons ── */
.btn {
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-end) 100%);
  border: none;
  box-shadow: 0 4px 15px var(--primary-glow);
  color: #fff;
}

.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(135deg, #8b7dff 0%, #bb66ff 100%);
  box-shadow: 0 6px 25px var(--primary-glow);
  transform: translateY(-2px);
  color: #fff;
}

.btn-outline-primary {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary-glow);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline-warning {
  border: 1.5px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline-warning:hover {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-outline-success {
  border: 1.5px solid var(--success);
  color: var(--success);
  background: transparent;
}

.btn-outline-success:hover {
  background: rgba(16,185,129,0.15);
  color: var(--success);
  border-color: var(--success);
  transform: translateY(-2px);
}

.btn-outline-danger {
  border: 1.5px solid var(--danger);
  color: var(--danger);
  background: transparent;
}

.btn-outline-danger:hover {
  background: rgba(244,63,94,0.15);
  color: var(--danger);
  border-color: var(--danger);
  transform: translateY(-2px);
}

.btn:focus, .btn:active:focus,
.form-control:focus, .form-check-input:focus,
.form-select:focus {
  box-shadow: 0 0 0 3px var(--primary-glow) !important;
  outline: none;
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #34d399);
  border: none;
  color: #fff;
  box-shadow: 0 4px 15px rgba(16,185,129,0.3);
}
.btn-success:hover, .btn-success:focus {
  background: linear-gradient(135deg, #059669, #10b981);
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 6px 25px rgba(16,185,129,0.4);
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  border: none;
  color: #1a1a1a;
  box-shadow: 0 4px 15px rgba(245,158,11,0.3);
  font-weight: 700;
}
.btn-warning:hover, .btn-warning:focus {
  background: linear-gradient(135deg, #d97706, #f59e0b);
  transform: translateY(-2px);
  color: #1a1a1a;
  box-shadow: 0 6px 25px rgba(245,158,11,0.4);
}

.btn-secondary {
  background: rgba(100,116,139,0.25);
  border: 1.5px solid rgba(100,116,139,0.4);
  color: var(--text-secondary);
}
.btn-secondary:hover {
  background: rgba(100,116,139,0.35);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-outline-secondary {
  border: 1.5px solid rgba(100,116,139,0.5);
  color: var(--text-secondary);
  background: transparent;
}
.btn-outline-secondary:hover {
  background: rgba(100,116,139,0.15);
  color: var(--text-primary);
  border-color: rgba(100,116,139,0.7);
  transform: translateY(-2px);
}

/* ── Code elements ── */
code {
  background: rgba(124,107,255,0.15);
  color: var(--primary);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-size: 0.875em;
}

/* ── Select option (native) ── */
select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* ── HR divider ── */
hr { border-color: rgba(255,255,255,0.1); }

/* ── number input arrow color ── */
input[type=number] { color-scheme: dark; }

/* ── Forms ── */
.form-control, .form-select {
  background: rgba(255,255,255,0.05);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  background: rgba(255,255,255,0.08);
  border-color: var(--primary);
  color: var(--text-primary);
}

.form-control::placeholder { color: var(--text-muted); }

.input-group-text {
  background: rgba(255,255,255,0.06);
  border: 1.5px solid var(--glass-border);
  color: var(--text-muted);
}

.form-label {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.4rem;
}

.form-check-input {
  background-color: rgba(255,255,255,0.08);
  border-color: var(--glass-border);
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.form-check-label { color: var(--text-secondary); }

/* ── Disabled / Readonly inputs ── */
.form-control:disabled,
.form-control[readonly] {
  background: rgba(255,255,255,0.03) !important;
  color: var(--text-secondary) !important;
  border-color: rgba(255,255,255,0.06) !important;
  opacity: 0.7;
}

/* ── Browser Autofill override ── */
.form-control:-webkit-autofill,
.form-control:-webkit-autofill:hover,
.form-control:-webkit-autofill:focus,
.form-control:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 1000px #0f1629 inset !important;
  -webkit-text-fill-color: var(--text-primary) !important;
  caret-color: var(--text-primary);
  transition: background-color 5000s ease-in-out 0s;
}

/* ── Form helper text ── */
.form-text { color: var(--text-muted) !important; font-size: 0.8rem; }

/* ── Tables ── */
.table {
  color: var(--text-primary);
  --bs-table-bg: transparent;
  --bs-table-hover-bg: rgba(255,255,255,0.04);
  --bs-table-striped-bg: rgba(255,255,255,0.02);
  margin-bottom: 0;
}

.table thead th {
  background: rgba(124,107,255,0.12) !important;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.9rem 0.85rem;
}

.table tbody td {
  border-color: var(--glass-border);
  vertical-align: middle;
  padding: 0.85rem;
  font-size: 0.9rem;
}

.table-hover tbody tr:hover {
  background: var(--glass-bg-hover) !important;
  color: var(--text-primary);
}

.table-warning {
  --bs-table-bg: rgba(245,158,11,0.08) !important;
  --bs-table-hover-bg: rgba(245,158,11,0.12) !important;
  color: var(--text-primary) !important;
}

.table-dark {
  --bs-table-bg: rgba(124,107,255,0.12) !important;
  color: var(--text-secondary) !important;
}

/* ── Badges ── */
.badge {
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.02em;
  border-radius: 6px;
  padding: 0.35em 0.65em;
}

.badge.bg-primary { background: linear-gradient(135deg, var(--primary), var(--primary-end)) !important; }
.badge.bg-success { background: rgba(16,185,129,0.2) !important; color: #34d399 !important; border: 1px solid rgba(16,185,129,0.3); }
.badge.bg-warning { background: rgba(245,158,11,0.2) !important; color: #fbbf24 !important; border: 1px solid rgba(245,158,11,0.3); }
.badge.bg-danger  { background: rgba(244,63,94,0.2)  !important; color: #fb7185 !important; border: 1px solid rgba(244,63,94,0.3);  }
.badge.bg-info    { background: rgba(56,189,248,0.2) !important; color: #7dd3fc !important; border: 1px solid rgba(56,189,248,0.3); }
.badge.bg-secondary { background: rgba(100,116,139,0.25) !important; color: #94a3b8 !important; border: 1px solid rgba(100,116,139,0.3); }
.badge.bg-dark    { background: rgba(255,255,255,0.08) !important; color: var(--text-secondary) !important; border: 1px solid var(--glass-border); }

/* ── Alerts ── */
.alert {
  border-radius: var(--radius);
  border: 1px solid;
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.alert-success { background: rgba(16,185,129,0.12); border-color: rgba(16,185,129,0.3); color: #6ee7b7; }
.alert-danger  { background: rgba(244,63,94,0.12);  border-color: rgba(244,63,94,0.3);  color: #fda4af; }
.alert-warning { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.3); color: #fde68a; }
.alert-info    { background: rgba(56,189,248,0.12); border-color: rgba(56,189,248,0.3); color: #bae6fd; }

.btn-close { filter: invert(1) opacity(0.6); }
.btn-close:hover { filter: invert(1) opacity(1); }

/* ── Progress Bar ── */
.progress {
  background: rgba(255,255,255,0.08);
  border-radius: 50px;
  height: 8px;
  overflow: hidden;
}

.progress-bar {
  border-radius: 50px;
  background: linear-gradient(90deg, var(--primary), var(--primary-end));
}

.progress-bar.bg-success { background: linear-gradient(90deg, #10b981, #34d399) !important; }
.progress-bar.bg-info    { background: linear-gradient(90deg, #38bdf8, #7dd3fc) !important; }

/* ── Footer ── */
.footer {
  margin-top: auto;
  background: rgba(0,0,0,0.3);
  border-top: 1px solid var(--glass-border) !important;
  color: var(--text-muted);
  font-size: 0.85rem;
  backdrop-filter: blur(10px);
}

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

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
  50%       { box-shadow: 0 0 40px var(--primary-glow), 0 0 60px rgba(168,85,247,0.2); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.anim-fade-up { animation: fadeInUp 0.5s ease both; }

/* ── Utility Classes ── */
.glass-card {
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.glow-card {
  box-shadow: 0 0 0 1px var(--glass-border), var(--shadow-glow);
}

.glow-card-gold {
  box-shadow: 0 0 0 1px rgba(245,158,11,0.3), 0 0 30px var(--accent-glow);
}

.card-lift { transition: var(--transition); }
.card-lift:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.5); }

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.text-primary   { color: var(--primary)   !important; }
.text-success   { color: var(--success)   !important; }
.text-warning   { color: var(--warning)   !important; }
.text-danger    { color: var(--danger)    !important; }
.text-info      { color: var(--info)      !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted     { color: var(--text-muted) !important; }

/* ── Dropdown override ── */
.dropdown-item-text .badge.bg-danger {
  background: rgba(244,63,94,0.25) !important;
  color: #fb7185 !important;
  border: 1px solid rgba(244,63,94,0.3);
}

/* ── Validation ── */
.text-danger { color: #fb7185 !important; }
.field-validation-error { color: #fb7185; font-size: 0.8rem; }
.validation-summary-errors { display: block; }
.input-validation-error {
  border-color: var(--danger) !important;
}

/* ── Container spacing ── */
.container { padding-top: 1.5rem; }

/* ── Auth layout body ── */
body.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 70% 60% at 10% 20%, rgba(124,107,255,0.2) 0%, transparent 55%),
    radial-gradient(ellipse 50% 50% at 90% 80%, rgba(168,85,247,0.15) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(56,189,248,0.05) 0%, transparent 60%);
  background-color: var(--bg-base);
}

/* ── Responsive ── */
@media (max-width: 576px) {
  .stat-number { font-size: 1.5rem; }
  .card-body { padding: 1rem; }
}