/* ============================================
   POLYBOTICS — Neo-Brutalist Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* --- Design Tokens --- */
:root {
  --bg: #FFFDF7;
  --bg-alt: #FFF5E1;
  --primary: #FF6B35;
  --accent: #4ECDC4;
  --red-alliance: #FF3366;
  --blue-alliance: #3366FF;
  --black: #1A1A1A;
  --yellow: #FFE66D;
  --green: #2ECC71;
  --white: #FFFFFF;
  --gray: #888888;
  --gray-light: #E0E0E0;

  --border: 3px solid var(--black);
  --border-thick: 4px solid var(--black);
  --shadow: 6px 6px 0px var(--black);
  --shadow-sm: 4px 4px 0px var(--black);
  --shadow-hover: 8px 8px 0px var(--black);

  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius: 0px;
  --transition: all 0.15s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-heading);
  background-color: var(--bg);
  color: var(--black);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* --- Utility --- */
.hidden { display: none !important; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Screen Sections --- */
.screen {
  min-height: 100vh;
  padding-top: 80px;
  padding-bottom: 60px;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--yellow);
  border-bottom: var(--border-thick);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.navbar-brand .dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border: 2px solid var(--black);
}

.navbar-back {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  padding: 6px 14px;
  cursor: pointer;
  text-transform: uppercase;
  transition: var(--transition);
}

.navbar-back:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow);
}

.navbar-back:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--black);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 12px 24px;
  border: var(--border);
  box-shadow: var(--shadow);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--black);
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}

.btn:active {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0px var(--black);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-accent {
  background: var(--accent);
  color: var(--black);
}

.btn-red {
  background: var(--red-alliance);
  color: var(--white);
}

.btn-blue {
  background: var(--blue-alliance);
  color: var(--white);
}

.btn-sm {
  font-size: 0.75rem;
  padding: 8px 14px;
  box-shadow: var(--shadow-sm);
}

.btn-sm:hover {
  box-shadow: var(--shadow);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: var(--shadow) !important;
}

/* ============================================
   INPUTS
   ============================================ */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.input {
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 14px 18px;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  background: var(--white);
  color: var(--black);
  outline: none;
  transition: var(--transition);
  width: 100%;
}

.input:focus {
  box-shadow: var(--shadow);
  transform: translate(-1px, -1px);
  border-color: var(--primary);
}

.input::placeholder {
  color: var(--gray);
  opacity: 0.7;
}

select.input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231A1A1A' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--white);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: var(--transition);
}

.card-hover:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hover);
  cursor: pointer;
}

.card-hover:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--black);
}

/* ============================================
   LANDING SCREEN
   ============================================ */
#screen-landing {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.landing-content {
  max-width: 600px;
  width: 100%;
}

.landing-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  text-transform: uppercase;
  margin-bottom: 8px;
  position: relative;
}

.landing-title .highlight {
  background: var(--yellow);
  padding: 0 12px;
  border: var(--border);
  display: inline-block;
  transform: rotate(-1deg);
}

.landing-subtitle {
  font-family: var(--font-mono);
  font-size: 1rem;
  margin-bottom: 40px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.landing-badge {
  display: inline-block;
  background: var(--accent);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 20px;
  transform: rotate(1deg);
}

.api-key-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
}

.api-key-form .input {
  font-size: 0.9rem;
  text-align: center;
}

.api-key-help {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gray);
  margin-top: 4px;
}

.api-key-help a {
  color: var(--primary);
  font-weight: 700;
}

.api-key-error {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--red-alliance);
  font-weight: 700;
  min-height: 1.2em;
}

/* ============================================
   EVENTS SCREEN
   ============================================ */
.events-header {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.events-header .input-group {
  flex: 0 0 auto;
}

.events-header .input-group:last-child {
  flex: 1;
  min-width: 200px;
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.event-card {
  position: relative;
  overflow: hidden;
}

.event-card .accent-strip {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
}

.event-card .accent-strip.orange { background: var(--primary); }
.event-card .accent-strip.teal { background: var(--accent); }
.event-card .accent-strip.yellow { background: var(--yellow); }

.event-card-title {
  font-size: 1.1rem;
  margin-bottom: 6px;
  margin-top: 8px;
}

.event-card-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.event-week-badge {
  display: inline-block;
  background: var(--bg-alt);
  border: 2px solid var(--black);
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-top: 8px;
}

/* ============================================
   MATCHES SCREEN
   ============================================ */
.matches-event-title {
  font-size: 1.8rem;
  margin-bottom: 4px;
}

.matches-event-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 24px;
}

/* Comp level tabs */
.comp-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

.comp-tab {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 10px 20px;
  text-transform: uppercase;
  cursor: pointer;
  background: var(--white);
  border: none;
  border-right: var(--border);
  transition: var(--transition);
  white-space: nowrap;
}

.comp-tab:last-child {
  border-right: none;
}

.comp-tab:hover {
  background: var(--bg-alt);
}

.comp-tab.active {
  background: var(--yellow);
}

.matches-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ============================================
   MATCH / PREDICTION CARD
   ============================================ */
.match-card {
  position: relative;
  padding: 0;
  overflow: hidden;
}

.match-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-alt);
  border-bottom: var(--border);
}

.match-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

.match-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 2px solid var(--black);
}

.match-status.upcoming { background: var(--yellow); }
.match-status.live { background: var(--green); color: var(--white); animation: pulse 1.5s infinite; }
.match-status.completed { background: var(--gray-light); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.match-card-body {
  padding: 20px;
}

/* Alliance columns */
.alliance-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: stretch;
}

.alliance-col {
  padding: 16px;
  border: var(--border);
}

.alliance-col.red {
  background: rgba(255, 51, 102, 0.08);
  border-color: var(--red-alliance);
}

.alliance-col.blue {
  background: rgba(51, 102, 255, 0.08);
  border-color: var(--blue-alliance);
}

.alliance-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.alliance-label.red { color: var(--red-alliance); }
.alliance-label.blue { color: var(--blue-alliance); }

.alliance-teams {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.team-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.team-opr {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gray);
}

/* VS divider */
.vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray);
}

/* Probability bar */
.prob-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: var(--border);
}

.prob-bar-container {
  display: flex;
  height: 48px;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 8px;
}

.prob-bar-red {
  background: var(--red-alliance);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
  min-width: 40px;
}

.prob-bar-blue {
  background: var(--blue-alliance);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
  min-width: 40px;
}

.prob-bar-red span,
.prob-bar-blue span {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.prob-labels {
  display: flex;
  justify-content: space-between;
}

.prob-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Score prediction */
.score-prediction {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.score-box {
  padding: 12px;
  border: var(--border);
  text-align: center;
}

.score-box.red { background: rgba(255, 51, 102, 0.08); }
.score-box.blue { background: rgba(51, 102, 255, 0.08); }

.score-box-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 4px;
}

.score-box-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
}

.score-box.red .score-box-value { color: var(--red-alliance); }
.score-box.blue .score-box-value { color: var(--blue-alliance); }

/* Actual result overlay for completed matches */
.actual-result {
  margin-top: 16px;
  padding: 12px;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.actual-result.correct {
  background: var(--green);
  color: var(--white);
}

.actual-result.incorrect {
  background: var(--red-alliance);
  color: var(--white);
}

.actual-result-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* ============================================
   STATS BREAKDOWN
   ============================================ */
.stats-toggle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--primary);
  margin-top: 12px;
  display: inline-block;
  border-bottom: 2px dashed var(--primary);
  padding-bottom: 1px;
}

.stats-breakdown {
  margin-top: 12px;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease;
}

.stats-breakdown.open {
  max-height: 600px;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.stats-table th,
.stats-table td {
  padding: 8px 12px;
  border: 2px solid var(--black);
  text-align: center;
}

.stats-table th {
  background: var(--bg-alt);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.stats-table tr:nth-child(even) {
  background: var(--bg);
}

/* ============================================
   LOADING / SPINNER
   ============================================ */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
  gap: 16px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: var(--border-thick);
  box-shadow: var(--shadow-sm);
  animation: spin 0.8s steps(4) infinite;
  background: var(--yellow);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.empty-state-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gray);
  text-transform: uppercase;
}

/* ============================================
   ACCURACY BANNER
   ============================================ */
.accuracy-banner {
  background: var(--accent);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  padding: 12px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.accuracy-banner-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.accuracy-banner-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .alliance-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .vs-divider {
    display: none;
  }

  .events-header {
    flex-direction: column;
  }

  .events-grid {
    grid-template-columns: 1fr;
  }

  .landing-title {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }

  .comp-tabs {
    flex-wrap: nowrap;
  }

  .score-prediction {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 10px 16px;
  }

  .navbar-brand {
    font-size: 1.1rem;
  }

  .container {
    padding: 0 16px;
  }

  .screen {
    padding-top: 70px;
  }
}