/* =========================================================
   VISTA REVERSE-TIME ENGINE™ — FINAL UI STYLESHEET
   Tailored to current index.html
   Holographic • Glassy • Neon • Diagnostic
   ========================================================= */

/* ---------- ROOT VARIABLES ---------- */

:root {
  --vista-bg: #050608;
  --vista-bg-soft: #080910;

  --vista-gold: #c9a56a;
  --vista-gold-soft: rgba(201, 165, 106, 0.7);

  --vista-teal: #8ad6ff;
  --vista-teal-soft: rgba(138, 214, 255, 0.7);

  --vista-danger: #ff4b5c;

  --vista-white: #f6f7fb;
  --vista-muted: rgba(237, 241, 255, 0.7);

  --radius-lg: 18px;
  --radius-xl: 24px;

  --blur-strong: 22px;

  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.9);
  --shadow-glow-gold: 0 0 32px rgba(201, 165, 106, 0.45);
  --shadow-glow-teal: 0 0 32px rgba(138, 214, 255, 0.4);

  --transition-fast: 160ms ease-out;
  --transition-normal: 230ms ease-out;

  --font-main: "Tajawal", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

/* ---------- RESET ---------- */

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

/* ---------- BODY & GLOBAL BACKGROUND ---------- */

body {
  font-family: var(--font-main);
  background:
    radial-gradient(circle at top left, #191b2b 0, #050608 46%, #020307 100%);
  color: var(--vista-white);
  -webkit-font-smoothing: antialiased;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

/* ---------- HOLOGRAPHIC GRID / NOISE LAYER ---------- */

.background-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(
      rgba(255, 255, 255, 0.03) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.03) 1px,
      transparent 1px
    );
  background-size: 40px 40px, 40px 40px;
  mix-blend-mode: soft-light;
  opacity: 0.35;
}

.background-overlay::before {
  content: "";
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(circle at 10% 0, rgba(201, 165, 106, 0.18), transparent 55%),
    radial-gradient(circle at 90% 100%, rgba(138, 214, 255, 0.16), transparent 55%);
  mix-blend-mode: screen;
  opacity: 0.7;
  animation: glowDrift 26s ease-in-out infinite alternate;
}

@keyframes glowDrift {
  0% {
    transform: translate3d(-10px, 0, 0) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate3d(12px, 12px, 0) scale(1.03);
    opacity: 0.9;
  }
  100% {
    transform: translate3d(0, -12px, 0) scale(1.02);
    opacity: 0.7;
  }
}

/* ---------- APP WRAPPER ---------- */

#app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 960px;
  margin: 2.4rem 1.2rem;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

/* Each "step" is a full diagnostic screen */
.step {
  width: 100%;
  display: none;
}

.step.active {
  display: block;
}

/* ---------- LANGUAGE TOGGLE ---------- */

.language-toggle {
  position: fixed;
  top: 1.2rem;
  right: 1.4rem;
  z-index: 3;
  display: inline-flex;
  padding: 0.2rem;
  border-radius: 999px;
  background: rgba(4, 6, 14, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(18px) saturate(140%);
}

.language-toggle button {
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

/* EN looks slightly more active by default */
.language-toggle button:first-child {
  color: rgba(255, 255, 255, 0.82);
}

.language-toggle button.active {
  background: linear-gradient(130deg, var(--vista-gold), #e0c58b);
  color: #050608 !important;
  box-shadow:
    0 0 14px rgba(201, 165, 106, 0.85),
    0 6px 18px rgba(0, 0, 0, 0.85);
  transform: translateY(-1px);
}

/* ---------- GLASS CARD (CORE CONTAINER) ---------- */

.glass-card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 2.1rem 2.2rem 2.2rem;
  background:
    radial-gradient(circle at top left, rgba(201, 165, 106, 0.12), transparent 55%),
    radial-gradient(circle at bottom right, rgba(138, 214, 255, 0.16), transparent 55%),
    rgba(7, 8, 16, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-soft), 0 0 0 1px rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(var(--blur-strong)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-strong)) saturate(140%);
  overflow: hidden;
}

/* Larger variant used by results card */
.glass-card.large {
  padding: 2.3rem 2.4rem 2.4rem;
}

/* Holographic streak highlight — VISUAL ONLY */
.glass-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    linear-gradient(120deg, rgba(201, 165, 106, 0.18), transparent 55%),
    radial-gradient(circle at 80% 0, rgba(138, 214, 255, 0.18), transparent 60%);
  mix-blend-mode: screen;
  opacity: 0;
  transform: translate3d(-7%, -8%, 0);
  transition: opacity var(--transition-normal), transform 420ms ease-out;
  pointer-events: none; /* 👈 critical line */
}

.glass-card:hover::before {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* ---------- TYPOGRAPHY ---------- */

.card-header {
  margin-bottom: 1.4rem;
}

.system-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.75rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
  background: rgba(7, 8, 16, 0.95);
}

.system-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, var(--vista-gold), var(--vista-teal));
  box-shadow: 0 0 9px rgba(201, 165, 106, 0.8);
}

.title {
  margin: 0.9rem 0 0.25rem;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.96);
}

.step-title {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.93);
}

.subtitle {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--vista-muted);
}

.micro {
  margin-top: 0.9rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.52);
}

/* ---------- FORM ELEMENTS ---------- */

.form-group {
  margin-top: 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea {
  width: 100%;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(3, 5, 12, 0.98);
  padding: 0.7rem 0.95rem;
  font-size: 0.9rem;
  color: var(--vista-white);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
}

textarea {
  border-radius: 16px;
  min-height: 90px;
  resize: vertical;
}

/* Placeholder color */
input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

/* Focus state */
input:focus,
textarea:focus {
  border-color: rgba(138, 214, 255, 0.9);
  background: rgba(5, 8, 16, 0.98);
  box-shadow:
    0 0 0 1px rgba(138, 214, 255, 0.9),
    0 0 18px rgba(138, 214, 255, 0.55);
  transform: translateY(-1px);
}

/* ---------- BUTTONS ---------- */

.primary-btn {
  margin-top: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.8rem 1.8rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(130deg, var(--vista-gold), #e0c58b);
  color: #050608;
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.85),
    0 0 22px rgba(201, 165, 106, 0.85);
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

.primary-btn:hover:not(.disabled) {
  transform: translateY(-1px);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.95),
    0 0 30px rgba(201, 165, 106, 1);
}

/* Disabled state is handled by engine.js via .disabled class */
.primary-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

/* Next button (same base, but slightly more margin) */
.next-btn {
  margin-top: 1.6rem;
}

/* Restart button on results */
#restart-btn {
  margin-top: 1.9rem;
}

/* ---------- RESULTS SCREEN ---------- */

.results-block {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
}

.results-block h2 {
  margin: 0 0 0.5rem;
  font-size: 0.92rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
}

/* These containers are filled by JS (failures-list, plan-list, no-excuse-text) */
#failures-list,
#plan-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.88);
}

#failures-list > div,
#plan-list > div {
  position: relative;
  padding-left: 1.1rem;
}

#failures-list > div::before,
#plan-list > div::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, var(--vista-gold), var(--vista-teal));
  box-shadow: 0 0 10px rgba(201, 165, 106, 0.85);
}

#no-excuse-text {
  margin: 0.15rem 0 0;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 900px) {
  #app {
    margin: 2rem 1rem;
  }

  .glass-card,
  .glass-card.large {
    padding: 1.8rem 1.7rem 2rem;
  }
}

@media (max-width: 640px) {
  #app {
    margin: 1.6rem 0.9rem;
  }

  .glass-card,
  .glass-card.large {
    padding: 1.5rem 1.3rem 1.7rem;
    border-radius: var(--radius-lg);
  }

  .title {
    font-size: 1.3rem;
  }

  .language-toggle {
    top: 0.9rem;
    right: 0.8rem;
  }
}

/* =========================================================
   SAFETY PATCH — ENSURE INPUTS ARE CLICKABLE / TYPABLE
   ========================================================= */

/* Background & glow layers must never block clicks */
.background-overlay,
.background-overlay::before {
  pointer-events: none !important;
}

/* Holographic streak on the card is visual only */
.glass-card::before {
  pointer-events: none !important;
}

/* Ensure the actual card and its contents receive events */
.glass-card,
.step,
.step * {
  pointer-events: auto;
  z-index: 1;
}