:root {
  --bg: #0f172a;
  --card: #1e293b;
  --muted: #94a3b8;
  --text: #f1f5f9;
  --accent: #0ea5e9;
  --accent-hover: #38bdf8;
  --success: #10b981;
  --error: #ef4444;
  --border: #334155;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --gradient: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 100%);
  --weather-gradient: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 50%, #8b5cf6 100%);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  direction: rtl;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 25%),
    radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 25%),
    radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 30%);
  background-attachment: fixed;
}

/* אנימציות רקע דינמיות */
.weather-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.weather-particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 15s infinite linear;
}

@keyframes float {
  0% {
    transform: translateY(100vh) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-100px) translateX(100px);
    opacity: 0;
  }
}

/* טופ בר משודרג עם אפקט זכוכית */
.topbar {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.85);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(15px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.topbar.scrolled {
  padding: 8px 16px;
  background: rgba(15, 23, 42, 0.95);
}

.topbar .brand {
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--weather-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
}

.topbar .brand::before {
  content: "🌤️";
  font-size: 1.8rem;
  animation: weatherRotate 8s infinite linear;
}

@keyframes weatherRotate {
  0%, 100% { transform: rotate(0deg) scale(1); }
  25% { transform: rotate(5deg) scale(1.1); }
  50% { transform: rotate(0deg) scale(1.05); }
  75% { transform: rotate(-5deg) scale(1.1); }
}

.topbar nav {
  display: flex;
  gap: 8px;
}

.topbar nav a {
  color: var(--muted);
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 10px;
  transition: all 0.3s ease;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.topbar nav a::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 100%;
  background: var(--weather-gradient);
  transition: width 0.3s ease;
  z-index: -1;
  border-radius: 10px;
}

.topbar nav a:hover {
  color: white;
  transform: translateY(-2px);
}

.topbar nav a:hover::before {
  width: 100%;
}

.topbar nav a.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.container {
  max-width: 900px;
  margin: 24px auto;
  padding: 0 16px;
}

/* כרטיסי אימות משודרגים */
.auth-card {
  max-width: 400px;
  margin: 48px auto;
  padding: 32px;
  background: var(--card);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--weather-gradient);
  opacity: 0.1;
  animation: rotate 10s linear infinite;
  z-index: -1;
}

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

.auth-card h2 {
  text-align: center;
  margin-bottom: 24px;
  color: var(--text);
  font-weight: 600;
  font-size: 1.8rem;
  background: var(--weather-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-card form {
  display: grid;
  gap: 16px;
}

.auth-card input {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.7);
  color: var(--text);
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.auth-card input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
  transform: translateY(-2px);
}

.auth-card button {
  padding: 14px;
  background: var(--weather-gradient);
  border: 0;
  border-radius: 12px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.auth-card button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.auth-card button:hover::before {
  left: 100%;
}

.auth-card button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(14, 165, 233, 0.3);
}

.success, .error {
  padding: 14px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-weight: 500;
  backdrop-filter: blur(5px);
  animation: slideIn 0.5s ease;
}

@keyframes slideIn {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.success {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.error {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* אזור יצירת פוסטים משודרג */
.composer {
  background: var(--card);
  padding: 24px;
  border-radius: 20px;
  margin-bottom: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.composer::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 4px;
  background: var(--weather-gradient);
}

.composer:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.composer textarea {
  width: 100%;
  min-height: 120px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.7);
  color: var(--text);
  font-size: 1rem;
  resize: vertical;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.composer textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

.composer .row {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  align-items: center;
}

.composer input[type="file"] {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.7);
  color: var(--text);
  transition: all 0.3s ease;
}

.composer input[type="file"]:focus {
  outline: none;
  border-color: var(--accent);
}

.composer button {
  padding: 12px 24px;
  background: var(--weather-gradient);
  border: 0;
  border-radius: 10px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.composer button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.composer button:hover::before {
  left: 100%;
}

.composer button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}

.composer.locked {
  opacity: 0.7;
}

.composer .overlay-msg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  z-index: 10;
  font-weight: 500;
  font-size: 1.1rem;
}

.composer .overlay-msg a {
  color: var(--accent);
  text-decoration: none;
  margin: 0 4px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.composer .overlay-msg a:hover {
  text-decoration: underline;
  color: var(--accent-hover);
}

/* פוסטים משודרגים עם אפקטים */
.post {
  background: var(--card);
  border-radius: 20px;
  padding: 24px;
  margin-bottom: 20px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.6s ease;
}

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

.post:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.post::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: var(--weather-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.post:hover::before {
  opacity: 1;
}

.post header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--glass-border);
}

.post header strong {
  color: var(--text);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.post header strong::before {
  content: '👤';
  font-size: 1.2rem;
}

.post header time {
  font-size: 0.9rem;
}

.post .content {
  white-space: pre-wrap;
  line-height: 1.7;
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.post .media {
  margin-top: 16px;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.post .media img, .post .media video {
  max-width: 100%;
  display: block;
  border-radius: 16px;
  transition: transform 0.3s ease;
}

.post .media:hover img, .post .media:hover video {
  transform: scale(1.02);
}

.post .actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
}

.post .actions button {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--glass-border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}

.post .actions button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}

.post .actions button:hover::before {
  left: 100%;
}

.post .actions button:hover {
  background: rgba(14, 165, 233, 0.1);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.post .actions button.liked {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
  color: #ef4444;
  animation: heartBeat 0.5s ease;
}

@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.2); }
  50% { transform: scale(0.95); }
  75% { transform: scale(1.1); }
}

.post .comments {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 20px;
  margin-top: 20px;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.post .comments.hidden {
  display: none;
}

.comment {
  padding: 14px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.3s ease;
  border-radius: 10px;
  margin-bottom: 8px;
}

.comment:hover {
  background: rgba(255, 255, 255, 0.05);
}

.comment:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

.comment .author {
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.comment .author::before {
  content: '💬';
  font-size: 0.9rem;
}

.comment .content {
  font-size: 1rem;
  line-height: 1.6;
}

.comment .time {
  font-size: 0.85rem;
  color: var(--muted);
}

.comment-form {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.comment-form input {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.7);
  color: var(--text);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.comment-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

.comment-form button {
  padding: 12px 20px;
  background: var(--weather-gradient);
  border: 0;
  border-radius: 10px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.comment-form button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.comment-form button:hover::before {
  left: 100%;
}

.comment-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(14, 165, 233, 0.3);
}

/* פאג'ינציה משודרגת */
.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: 40px 0;
  flex-wrap: wrap;
}

.pagination a {
  padding: 10px 16px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(5px);
}

.pagination a:hover {
  background: rgba(14, 165, 233, 0.1);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.pagination a.active {
  background: var(--weather-gradient);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(14, 165, 233, 0.3);
}

/* אנימציות נוספות */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.weather-icon {
  font-size: 1.2rem;
  margin-left: 4px;
  animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* אפקטים מיוחדים */
.heart-effect {
  position: absolute;
  pointer-events: none;
  z-index: 1000;
  font-size: 24px;
  animation: heartFloat 1s ease-out forwards;
}

@keyframes heartFloat {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(0, -50px) scale(1.5);
  }
}

/* עיצוב רספונסיבי */
@media (max-width: 768px) {
  .topbar {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }
  
  .topbar nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .container {
    padding: 0 12px;
  }
  
  .composer .row {
    flex-direction: column;
  }
  
  .composer button {
    width: 100%;
  }
  
  .post .actions {
    flex-wrap: wrap;
  }
  
  .comment-form {
    flex-direction: column;
  }
  
  .post header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* אפקטים נוספים */
.rain-effect {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.raindrop {
  position: absolute;
  width: 2px;
  height: 15px;
  background: linear-gradient(to bottom, rgba(14, 165, 233, 0.5), transparent);
  animation: rainFall linear infinite;
}

@keyframes rainFall {
  0% {
    transform: translateY(-100px);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0;
  }
}