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

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

/* Ziema - šaltesnės melsvos spalvos */
html[data-season="ziema"] {
  --color-primary: #1a3a5c;
  --color-primary-dark: #0f2840;
  --color-primary-light: #2a5a8f;
  --color-accent: #3a7aa3;
  --color-accent-light: #5599c4;
  --color-bg: #f5f7fa;
  --color-bg-alt: #eef1f5;
  --color-text: #2a3d52;
  --color-text-light: #556a7f;
  --color-text-muted: #7a8fa3;
  --color-border: #dce2e9;
  --color-shadow: rgba(26, 58, 92, 0.06);
  --color-shadow-hover: rgba(26, 58, 92, 0.12);
}

/* Pavasaris - žali atspalviai, šviesesnis, aiškiai atpažįstami */
html[data-season="pavasaris"] {
  --color-primary: #1a6b3a;
  --color-primary-dark: #0f4d28;
  --color-primary-light: #2d8a4d;
  --color-accent: #2d9e52;
  --color-accent-light: #4bb872;
  --color-bg: #f2f9f4;
  --color-bg-alt: #e8f5ec;
  --color-text: #1e4a30;
  --color-text-light: #4a7a5a;
  --color-text-muted: #6a9a7a;
  --color-border: #c8e0d0;
  --color-shadow: rgba(26, 107, 58, 0.08);
  --color-shadow-hover: rgba(26, 107, 58, 0.15);
}

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

/* Vasara - šiltos spalvos, oranžiniai accent */
html[data-season="vasara"] {
  --color-primary: #5c3a1e;
  --color-primary-dark: #452a15;
  --color-primary-light: #7a4d2d;
  --color-accent: #c47a3d;
  --color-accent-light: #d99a5a;
  --color-bg: #fbf9f5;
  --color-bg-alt: #f7f3ed;
  --color-text: #4a382c;
  --color-text-light: #7a665a;
  --color-text-muted: #9a8a7a;
  --color-border: #e8e2dc;
  --color-shadow: rgba(92, 58, 30, 0.06);
  --color-shadow-hover: rgba(92, 58, 30, 0.12);
}

/* Ruduo - rudi, aukso atspalviai */
html[data-season="ruduo"] {
  --color-primary: #5c401e;
  --color-primary-dark: #453015;
  --color-primary-light: #7a552d;
  --color-accent: #b8863d;
  --color-accent-light: #c9a05a;
  --color-bg: #fbf9f5;
  --color-bg-alt: #f7f5f0;
  --color-text: #4a3c2c;
  --color-text-light: #7a6a5a;
  --color-text-muted: #9a8a7a;
  --color-border: #e5e0d8;
  --color-shadow: rgba(92, 64, 30, 0.06);
  --color-shadow-hover: rgba(92, 64, 30, 0.12);
}

/* =====================================================
   GREETING BANNER (Lietuvos trispalvė)
   ===================================================== */
.greeting-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.75rem 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 2px 8px rgba(0, 0, 0, 0.1);
}

.greeting-banner__flag {
  display: flex;
  flex-direction: column;
  width: 48px;
  height: 32px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  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: 600;
  font-size: 1rem;
  color: #1a1a1a;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.25);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
}

@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;
}

/* Christmas tree - top right corner */
.seasonal-decorations__tree {
  position: absolute;
  top: 80px;
  right: 20px;
  width: 50px;
  height: 65px;
  opacity: 0.85;
  animation: seasonal-fade-in 1s ease-out;
}

.seasonal-decorations__tree svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* 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: 0.6;
}

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

/* Easter eggs - corners */
.seasonal-decorations__egg {
  position: absolute;
  width: 36px;
  height: 45px;
  opacity: 0.8;
  animation: seasonal-fade-in 1.2s ease-out;
}

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

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

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

.seasonal-decorations__egg svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

/* New Year sparkles */
.seasonal-decorations__sparkle {
  position: absolute;
  width: 8px;
  height: 8px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 0%, rgba(255, 215, 0, 0.4) 50%, transparent 70%);
  border-radius: 50%;
  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-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 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;
  }
}