/* ============================================
   Theme MATRIX : Cybersecurite / Lazarus
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;700&family=Inter:wght@400;600;700&display=swap');

:root {
  --color-bg: #000000;
  --color-bg-alt: #0a0f0a;
  --color-bg-card: rgba(0, 20, 0, 0.6);
  --color-green: #00ff41;
  --color-green-dim: #00cc33;
  --color-green-glow: rgba(0, 255, 65, 0.4);
  --color-green-subtle: rgba(0, 255, 65, 0.08);
  --color-red: #ff3333;
  --color-red-glow: rgba(255, 51, 51, 0.4);
  --color-cyan: #00e5ff;
  --color-cyan-glow: rgba(0, 229, 255, 0.3);
  --color-yellow: #ffd600;
  --color-text: #c0d0c0;
  --color-text-bright: #e0ffe0;
  --color-muted: #4a6a4a;
  --color-border: #0a3a0a;
  --font-mono: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --font-sans: 'Inter', 'Segoe UI', Arial, sans-serif;
}

/* ===================== KEYFRAMES ===================== */

@keyframes matrixGlow {
  0%, 100% { text-shadow: 0 0 10px var(--color-green-glow), 0 0 20px var(--color-green-glow); }
  50%      { text-shadow: 0 0 20px var(--color-green), 0 0 40px var(--color-green-glow), 0 0 60px rgba(0,255,65,0.15); }
}

@keyframes glitchColor {
  0%   { text-shadow: 2px 0 #ff0000, -2px 0 #00ffff; }
  25%  { text-shadow: -2px 0 #ff0000, 2px 0 #00ffff; }
  50%  { text-shadow: 2px 2px #ff0000, -2px -2px #00ffff; }
  75%  { text-shadow: -1px 2px #ff0000, 1px -2px #00ffff; }
  100% { text-shadow: 2px 0 #ff0000, -2px 0 #00ffff; }
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

@keyframes scanline {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 5px var(--color-green-glow), inset 0 0 5px rgba(0,255,65,0.05); }
  50%      { box-shadow: 0 0 20px var(--color-green-glow), 0 0 40px rgba(0,255,65,0.1), inset 0 0 10px rgba(0,255,65,0.08); }
}

@keyframes redPulse {
  0%, 100% { text-shadow: 0 0 10px var(--color-red-glow); }
  50%      { text-shadow: 0 0 30px var(--color-red), 0 0 60px var(--color-red-glow); }
}

/* ===================== BASE ===================== */

.reveal {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
}

/* Scanlines CRT */
.reveal::after {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent, transparent 2px,
    rgba(0, 255, 65, 0.018) 2px,
    rgba(0, 255, 65, 0.018) 4px
  );
}

/* Barre de scan lumineuse */
.reveal::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 6px;
  background: linear-gradient(180deg, transparent, rgba(0,255,65,0.25), transparent);
  z-index: 9998;
  pointer-events: none;
  animation: scanline 8s linear infinite;
  opacity: 0.4;
}

.reveal .slides { text-align: left; }

/* ===================== TITRES + GLOW ===================== */

.reveal h1, .reveal h2, .reveal h3 {
  color: var(--color-green);
  font-family: var(--font-mono);
  text-transform: none;
  letter-spacing: -0.02em;
}

.reveal h1 {
  font-size: 2.2em;
  border-bottom: 2px solid var(--color-green);
  border-image: linear-gradient(90deg, var(--color-green), transparent) 1;
  padding-bottom: 0.3em;
  margin-bottom: 0.6em;
  animation: matrixGlow 3s ease-in-out infinite;
}

.reveal h2 {
  font-size: 1.6em;
  margin-bottom: 0.5em;
  text-shadow: 0 0 10px var(--color-green-glow);
}

.reveal h3 {
  font-size: 1.2em;
  color: var(--color-cyan);
  text-shadow: 0 0 8px var(--color-cyan-glow);
}

/* ===================== TEXTE ===================== */

.reveal p, .reveal li {
  font-size: 0.85em;
  line-height: 1.7;
  color: var(--color-text);
}

.reveal ul, .reveal ol { margin-left: 1em; }
.reveal li { margin-bottom: 0.4em; }

/* Puces style terminal > */
.reveal ul > li {
  list-style: none;
  padding-left: 1.2em;
  position: relative;
}
.reveal ul > li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--color-green);
  font-family: var(--font-mono);
  font-weight: bold;
  text-shadow: 0 0 4px var(--color-green-glow);
}

.reveal strong {
  color: var(--color-green);
  text-shadow: 0 0 6px var(--color-green-glow);
}

.reveal em {
  color: var(--color-cyan);
  font-style: italic;
  text-shadow: 0 0 4px var(--color-cyan-glow);
}

/* ===================== LIENS ===================== */

.reveal a {
  color: var(--color-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-shadow: 0 0 4px var(--color-cyan-glow);
}
.reveal a:hover {
  color: var(--color-green);
  text-shadow: 0 0 10px var(--color-green-glow);
}

/* ===================== CODE ===================== */

.reveal code {
  font-family: var(--font-mono);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  font-size: 0.85em;
  color: var(--color-green);
  text-shadow: 0 0 4px var(--color-green-glow);
}

.reveal pre {
  background: var(--color-bg-card);
  border: 1px solid var(--color-green);
  border-radius: 6px;
  padding: 1em;
  width: 100%; box-sizing: border-box;
  box-shadow: 0 0 15px rgba(0,255,65,0.1), inset 0 0 30px rgba(0,0,0,0.5);
}

.reveal pre code {
  background: transparent; border: none;
  padding: 0; font-size: 0.75em; line-height: 1.6;
}

/* ===================== SLIDE TITRE ===================== */

.reveal .title-slide { text-align: center; }

.reveal .title-slide h1 {
  border-bottom: none; border-image: none;
  font-size: 2.6em; margin-bottom: 0.3em;
  animation: matrixGlow 2s ease-in-out infinite;
}

/* Glitch au hover */
.reveal .title-slide h1:hover {
  animation: glitchColor 0.3s steps(4) infinite, matrixGlow 2s ease-in-out infinite;
}

.reveal .title-slide .subtitle {
  color: var(--color-cyan);
  font-size: 1.1em;
  font-family: var(--font-mono);
  margin-bottom: 1.5em;
  text-shadow: 0 0 10px var(--color-cyan-glow);
}

/* Curseur clignotant */
.reveal .title-slide .subtitle::after {
  content: '_';
  animation: blink 1s step-end infinite;
  color: var(--color-green);
  margin-left: 2px;
}

.reveal .title-slide .authors {
  color: var(--color-muted);
  font-size: 0.9em;
  margin-top: 1em;
}

.reveal .title-slide .date {
  color: var(--color-muted);
  font-size: 0.75em;
  margin-top: 0.5em;
  font-family: var(--font-mono);
}

/* ===================== UTILITAIRES ===================== */

.reveal .alert {
  color: var(--color-red);
  font-weight: bold;
  animation: redPulse 2s ease-in-out infinite;
}

.reveal .big-number {
  font-size: 3em;
  font-family: var(--font-mono);
  color: var(--color-red);
  font-weight: bold;
  text-align: center;
  margin: 0.5em 0;
  text-shadow: 0 0 20px var(--color-red-glow), 0 0 40px rgba(255,51,51,0.15);
}

.reveal .source {
  font-size: 0.6em;
  color: var(--color-muted);
  font-style: italic;
  margin-top: 1em;
}

/* ===================== TIMELINE ===================== */

.reveal .timeline {
  list-style: none;
  margin: 0; padding: 0;
  position: relative;
}

.reveal .timeline::before {
  content: '';
  position: absolute; left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--color-green), var(--color-red));
  box-shadow: 0 0 8px var(--color-green-glow);
}

.reveal .timeline li {
  padding-left: 30px; position: relative;
  margin-bottom: 0.6em; font-size: 0.8em;
  list-style: none;
}

.reveal .timeline li::before {
  content: '';
  position: absolute; left: 3px; top: 0.45em;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-green);
  box-shadow: 0 0 6px var(--color-green-glow);
}

/* Dernier point = rouge pulsant */
.reveal .timeline li:last-child::before {
  border-color: var(--color-red);
  box-shadow: 0 0 10px var(--color-red-glow), 0 0 20px rgba(255,51,51,0.2);
  background: rgba(255,51,51,0.2);
}

.reveal .timeline .year {
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-weight: bold;
  margin-right: 0.5em;
  text-shadow: 0 0 4px var(--color-cyan-glow);
}

/* ===================== DIAGRAMMES ===================== */

.reveal .diagram {
  display: flex; align-items: center;
  justify-content: center;
  gap: 0.5em; margin: 1.5em 0; flex-wrap: wrap;
}

.reveal .diagram .box {
  background: var(--color-bg-card);
  border: 2px solid var(--color-green);
  border-radius: 6px;
  padding: 0.6em 1em;
  font-family: var(--font-mono); font-size: 0.7em;
  color: var(--color-green);
  text-align: center; min-width: 100px;
  box-shadow: 0 0 10px var(--color-green-glow), inset 0 0 15px rgba(0,255,65,0.03);
  transition: all 0.3s ease;
}

.reveal .diagram .box:hover {
  box-shadow: 0 0 25px var(--color-green-glow), 0 0 50px rgba(0,255,65,0.15);
  transform: scale(1.05);
}

.reveal .diagram .box.red {
  border-color: var(--color-red); color: var(--color-red);
  box-shadow: 0 0 10px var(--color-red-glow);
}
.reveal .diagram .box.red:hover {
  box-shadow: 0 0 25px var(--color-red-glow), 0 0 50px rgba(255,51,51,0.15);
}

.reveal .diagram .box.cyan {
  border-color: var(--color-cyan); color: var(--color-cyan);
  box-shadow: 0 0 10px var(--color-cyan-glow);
}

.reveal .diagram .arrow {
  color: var(--color-green-dim);
  font-size: 1.5em;
  font-family: var(--font-mono);
  text-shadow: 0 0 8px var(--color-green-glow);
  animation: matrixGlow 2s ease-in-out infinite;
}

/* ===================== LAYOUT ===================== */

.reveal .two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2em; align-items: start;
}

/* ===================== SOMMAIRE ===================== */

.reveal .toc ol {
  list-style: none;
  counter-reset: toc-counter;
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding-left: 0;
}

.reveal .toc ol li {
  counter-increment: toc-counter;
  margin-bottom: 0.5em;
  color: var(--color-text);
  padding-left: 2.5em;
  position: relative;
}

.reveal .toc ol li::before {
  content: '[' counter(toc-counter, decimal-leading-zero) ']';
  color: var(--color-green);
  position: absolute; left: 0;
  text-shadow: 0 0 4px var(--color-green-glow);
}

/* ===================== PROGRESS / SLIDE NUMBER ===================== */

.reveal .progress { color: var(--color-green); height: 3px; }
.reveal .progress span {
  background: var(--color-green);
  box-shadow: 0 0 10px var(--color-green), 0 0 20px var(--color-green-glow);
}

.reveal .slide-number {
  font-family: var(--font-mono);
  font-size: 0.6em;
  color: var(--color-green-dim);
  background: transparent;
  text-shadow: 0 0 4px var(--color-green-glow);
}

/* ===================== FRAGMENTS ===================== */

.reveal .fragment { transition: all 0.4s ease; }
.reveal .fragment.visible { animation: fadeInUp 0.5s ease forwards; }
.reveal .fragment.highlight-green.visible { color: var(--color-green); }
.reveal .fragment.highlight-red.visible { color: var(--color-red); }

/* ===================== TABLE ===================== */

.reveal table { border-collapse: collapse; width: 100%; font-size: 0.75em; }

.reveal table th {
  background: var(--color-bg-card);
  color: var(--color-green);
  font-family: var(--font-mono);
  padding: 0.5em 0.8em;
  border-bottom: 2px solid var(--color-green);
  text-align: left;
  text-shadow: 0 0 4px var(--color-green-glow);
}

.reveal table td {
  padding: 0.4em 0.8em;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.reveal table tr:hover td {
  background: var(--color-bg-card);
  color: var(--color-text-bright);
}

/* ===================== SLIDE FINALE ===================== */

.reveal .end-slide { text-align: center; }
.reveal .end-slide h1 {
  border-bottom: none; border-image: none;
  font-size: 3em;
  animation: matrixGlow 1.5s ease-in-out infinite;
}

/* ===================== GLOW CARD ===================== */

.reveal .glow-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-green);
  border-radius: 8px;
  padding: 1.2em 1.5em; margin: 1em 0;
  box-shadow: 0 0 15px var(--color-green-glow), inset 0 0 30px rgba(0,0,0,0.5);
  animation: pulseGlow 4s ease-in-out infinite;
}

.reveal .glow-card.red {
  border-color: var(--color-red);
  box-shadow: 0 0 15px var(--color-red-glow), inset 0 0 30px rgba(0,0,0,0.5);
}
.reveal .glow-card h3 { margin-top: 0; }

/* ===================== DATA BACKGROUND ===================== */

.reveal .data-bg { position: relative; overflow: hidden; }
.reveal .data-bg::before {
  content: '01001100 01000001 01011010 01000001 01010010 01010101 01010011 00100000 01000010 01011001 01000010 01001001 01010100 00100000 00110001 00101110 00110101 01000010 ';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  font-family: var(--font-mono); font-size: 0.5em;
  color: rgba(0,255,65,0.04);
  word-break: break-all; line-height: 1.8;
  z-index: 0; pointer-events: none; overflow: hidden;
}
.reveal .data-bg > * { position: relative; z-index: 1; }

/* ===================== TERMINAL PROMPT ===================== */

.reveal .terminal-line {
  font-family: var(--font-mono);
  font-size: 0.8em;
  color: var(--color-green);
  margin: 0.3em 0;
}
.reveal .terminal-line::before {
  content: 'root@lazarus:~$ ';
  color: var(--color-muted);
}
.reveal .terminal-line::after {
  content: '_';
  animation: blink 1s step-end infinite;
}

/* ===================== TAGS ===================== */

.reveal .tag {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.65em;
  padding: 0.2em 0.6em; border-radius: 3px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-green);
  color: var(--color-green); margin: 0.15em;
  text-shadow: 0 0 4px var(--color-green-glow);
}
.reveal .tag.red { border-color: var(--color-red); color: var(--color-red); }
.reveal .tag.cyan { border-color: var(--color-cyan); color: var(--color-cyan); }

/* ===================== SEPARATEUR ===================== */

.reveal .matrix-hr {
  border: none; height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-green), transparent);
  box-shadow: 0 0 10px var(--color-green-glow);
  margin: 1.5em 0;
}

/* ===================== CITATION ===================== */

.reveal .matrix-quote {
  border-left: 3px solid var(--color-green);
  padding: 0.8em 1.2em; margin: 1em 0;
  background: var(--color-bg-card);
  font-style: italic; color: var(--color-text-bright);
  box-shadow: inset 3px 0 15px rgba(0,255,65,0.05);
}

/* ===================== STATUS DOT ===================== */

.reveal .status-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 6px var(--color-green);
  animation: blink 1.5s step-end infinite;
  margin-right: 6px; vertical-align: middle;
}
.reveal .status-dot.red {
  background: var(--color-red);
  box-shadow: 0 0 6px var(--color-red);
}

/* ===================== SECTIONS FADE ===================== */

.reveal section { animation: fadeInUp 0.6s ease forwards; }

/* ===================== RESPONSIVE ===================== */

@media (max-width: 800px) {
  .reveal .two-cols { grid-template-columns: 1fr; gap: 1em; }
  .reveal h1 { font-size: 1.6em; }
  .reveal .big-number { font-size: 2em; }
  .reveal .diagram { flex-direction: column; }
}