/* =====================================================
   TIKSLI RIBA - Seasonal themes and holiday decorations
   ===================================================== */

/* =====================================================
   SEASONAL THEMES (override :root variables)
   ===================================================== */

/* Ziema - šaltesnės melsvos spalvos */
html[data-season="ziema"] {
  --color-primary: #1c3f67;
  --color-primary-dark: #102845;
  --color-primary-light: #3a6da1;
  --color-accent: #4f8fc4;
  --color-accent-light: #7ab5e1;
  --color-bg: #f4f7fb;
  --color-bg-alt: #eaf1f8;
  --color-text: #24384d;
  --color-text-light: #58708a;
  --color-text-muted: #7890a8;
  --color-border: #d8e3ee;
  --color-shadow: rgba(28, 63, 103, 0.08);
  --color-shadow-hover: rgba(28, 63, 103, 0.16);
}

/* Pavasaris - žali atspalviai, šviesesnis, aiškiai atpažįstami */
html[data-season="pavasaris"] {
  --color-primary: #217346;
  --color-primary-dark: #124d2d;
  --color-primary-light: #33945d;
  --color-accent: #46ad6d;
  --color-accent-light: #72ca92;
  --color-bg: #f2faf4;
  --color-bg-alt: #e7f6ec;
  --color-text: #1d4b31;
  --color-text-light: #4d7e60;
  --color-text-muted: #6f9c7f;
  --color-border: #c8e5d2;
  --color-shadow: rgba(33, 115, 70, 0.08);
  --color-shadow-hover: rgba(33, 115, 70, 0.16);
}

html[data-season="pavasaris"] body {
  background-color: var(--color-bg);
}

/* Vasara - šiltos spalvos, oranžiniai accent */
html[data-season="vasara"] {
  --color-primary: #6d4423;
  --color-primary-dark: #4d2f16;
  --color-primary-light: #93613a;
  --color-accent: #d48c47;
  --color-accent-light: #ecae67;
  --color-bg: #fdf9f2;
  --color-bg-alt: #f8f1e6;
  --color-text: #503b2b;
  --color-text-light: #7d6653;
  --color-text-muted: #a18973;
  --color-border: #eadfce;
  --color-shadow: rgba(109, 68, 35, 0.08);
  --color-shadow-hover: rgba(109, 68, 35, 0.15);
}

/* Ruduo - rudi, aukso atspalviai */
html[data-season="ruduo"] {
  --color-primary: #6a4520;
  --color-primary-dark: #4a2f16;
  --color-primary-light: #8f6434;
  --color-accent: #c58d43;
  --color-accent-light: #e3b063;
  --color-bg: #fcf8f2;
  --color-bg-alt: #f6eee2;
  --color-text: #4c3929;
  --color-text-light: #7b634f;
  --color-text-muted: #a1856d;
  --color-border: #e8dbc9;
  --color-shadow: rgba(106, 69, 32, 0.08);
  --color-shadow-hover: rgba(106, 69, 32, 0.15);
}

/* =====================================================
   GREETING BANNER (Lietuvos trispalvė)
   ===================================================== */
.greeting-banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  width: 100%;
  background: linear-gradient(
    to right,
    #FFB81C 0%,
    #FFB81C 33.33%,
    #006A44 33.33%,
    #006A44 66.66%,
    #C1272D 66.66%,
    #C1272D 100%
  );
  color: #1a1a1a;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  overflow: hidden;
}

.greeting-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), transparent 22%, transparent 78%, rgba(255, 255, 255, 0.1));
  pointer-events: none;
}

.greeting-banner__flag {
  display: flex;
  flex-direction: column;
  width: 52px;
  height: 34px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
  flex-shrink: 0;
}

.greeting-banner__stripe {
  flex: 1;
  min-height: 10px;
}

.greeting-banner__stripe--yellow {
  background: #FFB81C;
}

.greeting-banner__stripe--green {
  background: #006A44;
}

.greeting-banner__stripe--red {
  background: #C1272D;
}

.greeting-banner__text {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  color: #1a1a1a;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.42);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

@media (max-width: 480px) {
  .greeting-banner {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
  }
  .greeting-banner__text {
    font-size: 0.9rem;
  }
}

/* =====================================================
   SEASONAL DECORATIONS (z-index: 900, pointer-events: none)
   ===================================================== */
.seasonal-decorations {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 900;
  overflow: hidden;
}

.seasonal-decorations--kaledos {
  background:
    radial-gradient(circle at top right, rgba(133, 180, 255, 0.12), transparent 24%),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), transparent 20%);
}

.seasonal-decorations--velykos {
  background:
    radial-gradient(circle at top left, rgba(114, 202, 146, 0.1), transparent 22%),
    radial-gradient(circle at bottom right, rgba(122, 181, 225, 0.08), transparent 20%);
}

.seasonal-decorations--naujieji {
  background: radial-gradient(circle at center, rgba(255, 215, 0, 0.05), transparent 38%);
}

/* Christmas tree - top right corner */
.seasonal-decorations__tree {
  position: absolute;
  top: 80px;
  right: 28px;
  width: 58px;
  height: 76px;
  opacity: 0.92;
  animation: seasonal-fade-in 1s ease-out, seasonal-float 4s ease-in-out infinite 1s;
}

.seasonal-decorations__tree svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.18));
}

/* Snow effect - subtle falling */
.seasonal-decorations__snow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(2px 2px at 50px 160px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(2px 2px at 90px 40px, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(2px 2px at 130px 80px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(2px 2px at 200px 120px, rgba(255, 255, 255, 0.25), transparent);
  background-size: 250px 250px;
  animation: seasonal-snow 12s linear infinite;
  opacity: 0.68;
}

@keyframes seasonal-snow {
  0% { background-position: 0 0; }
  100% { background-position: 0 250px; }
}

/* Easter eggs - corners */
.seasonal-decorations__egg {
  position: absolute;
  width: 40px;
  height: 50px;
  opacity: 0.9;
  animation: seasonal-fade-in 1.2s ease-out, seasonal-float 5s ease-in-out infinite;
}

.seasonal-decorations__egg--1 {
  top: 100px;
  left: 15px;
  animation-delay: 0s;
}

.seasonal-decorations__egg--2 {
  top: 120px;
  right: 20px;
  animation-delay: 0.15s, 0.6s;
}

.seasonal-decorations__egg--3 {
  bottom: 120px;
  left: 25px;
  animation-delay: 0.3s, 1.2s;
}

.seasonal-decorations__egg svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.12));
}

/* New Year sparkles */
.seasonal-decorations__sparkle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.95) 0%, rgba(255, 215, 0, 0.45) 45%, transparent 72%);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(255, 215, 0, 0.45);
  animation: seasonal-sparkle 3s ease-in-out infinite;
}

.seasonal-decorations__sparkle--1 {
  top: 15%;
  left: 10%;
  animation-delay: 0s;
}

.seasonal-decorations__sparkle--2 {
  top: 25%;
  right: 15%;
  animation-delay: 0.5s;
}

.seasonal-decorations__sparkle--3 {
  bottom: 30%;
  left: 8%;
  animation-delay: 1s;
}

.seasonal-decorations__sparkle--4 {
  bottom: 20%;
  right: 12%;
  animation-delay: 1.5s;
}

@keyframes seasonal-sparkle {
  0%, 100% {
    opacity: 0.4;
    transform: scale(0.8);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.2);
  }
}

@keyframes seasonal-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes seasonal-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hide decorations on very small screens to avoid clutter */
@media (max-width: 480px) {
  .seasonal-decorations__tree {
    width: 35px;
    height: 45px;
    top: 70px;
    right: 10px;
  }
  .seasonal-decorations__egg {
    width: 28px;
    height: 35px;
  }
  .seasonal-decorations__egg--1 { left: 8px; }
  .seasonal-decorations__egg--2 { right: 8px; }
  .seasonal-decorations__egg--3 { left: 8px; bottom: 80px; }
  .seasonal-decorations__snow {
    opacity: 0.4;
  }
}