:root {
  --sdai-primary: #e63946;
  --sdai-primary-dark: #c1121f;
  --sdai-secondary: #1d3557;
  --sdai-accent: #457b9d;
  --sdai-bg: #ffffff;
  --sdai-muted: #6b7280;
  --sdai-border: #e5e7eb;
  --sdai-shadow: 0 18px 50px rgba(9, 30, 66, 0.18);
}

.sdai-root {
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  direction: rtl;
  z-index: 999999;
}

.sdai-floating {
  position: fixed;
  bottom: 22px;
}

.sdai-position-left {
  left: 22px;
}

.sdai-position-right {
  right: 22px;
}

.sdai-shortcode {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.sdai-toggle {
  position: relative;
  width: 62px;
  height: 62px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--sdai-primary), var(--sdai-secondary));
  box-shadow: 0 12px 30px rgba(230,57,70,.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s ease, box-shadow .25s ease;
}

.sdai-toggle:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 18px 35px rgba(230,57,70,.45);
}

.sdai-toggle-icon {
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
}

.sdai-toggle-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 999px;
  border: 2px solid rgba(230,57,70,.25);
  animation: sdaiPulse 2s infinite;
}

@keyframes sdaiPulse {
  0% { transform: scale(.95); opacity: .8; }
  70% { transform: scale(1.12); opacity: 0; }
  100% { transform: scale(1.12); opacity: 0; }
}

.sdai-panel {
  position: absolute;
  bottom: 78px;
  width: min(380px, calc(100vw - 28px));
  height: min(640px, calc(100vh - 120px));
  background: var(--sdai-bg);
  border: 1px solid rgba(229,231,235,.9);
  border-radius: 22px;
  box-shadow: var(--sdai-shadow);
  display: none;
  overflow: hidden;
}

.sdai-position-left .sdai-panel { left: 0; }
.sdai-position-right .sdai-panel { right: 0; }
.sdai-root.sdai-open .sdai-panel { display: flex; flex-direction: column; }
.sdai-shortcode .sdai-panel { position: relative; bottom: auto; left: auto; right: auto; display: flex; flex-direction: column; width: 100%; height: 620px; }
.sdai-shortcode .sdai-toggle { display: none; }

.sdai-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--sdai-secondary), var(--sdai-primary));
}

.sdai-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
}

.sdai-header p {
  margin: 2px 0 0;
  font-size: 12px;
  opacity: .9;
}

.sdai-header-badge {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: rgba(255,255,255,.16);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.sdai-close {
  margin-inline-start: auto;
  border: 0;
  background: rgba(255,255,255,.16);
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 24px;
  cursor: pointer;
}

.sdai-messages {
  flex: 1;
  overflow-y: auto;
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  padding: 16px;
}

.sdai-message {
  max-width: 88%;
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  line-height: 1.7;
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

.sdai-message-user {
  margin-right: auto;
  margin-left: 0;
  color: #fff;
  border-bottom-right-radius: 5px;
  background: linear-gradient(135deg, var(--sdai-primary), #f06572);
}

.sdai-message-assistant {
  color: #111827;
  border: 1px solid var(--sdai-border);
  border-bottom-left-radius: 5px;
  background: #fff;
}

.sdai-message-typing {
  width: fit-content;
}

.sdai-typing-dots {
  display: inline-flex;
  gap: 5px;
}

.sdai-typing-dots span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--sdai-accent);
  animation: sdaiDot 1.1s infinite ease-in-out;
}

.sdai-typing-dots span:nth-child(2) { animation-delay: .15s; }
.sdai-typing-dots span:nth-child(3) { animation-delay: .3s; }

@keyframes sdaiDot {
  0%, 80%, 100% { transform: scale(.8); opacity: .5; }
  40% { transform: scale(1.2); opacity: 1; }
}

.sdai-suggestions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 16px 0;
  background: #fff;
}

.sdai-suggestion {
  border: 1px solid rgba(69,123,157,.22);
  background: rgba(69,123,157,.08);
  color: var(--sdai-secondary);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  cursor: pointer;
}

.sdai-form {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 14px 16px 16px;
  background: #fff;
  border-top: 1px solid var(--sdai-border);
}

.sdai-input {
  flex: 1;
  min-height: 44px;
  max-height: 120px;
  resize: none;
  border: 1px solid var(--sdai-border);
  border-radius: 16px;
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1.5;
  outline: none;
}

.sdai-input:focus {
  border-color: var(--sdai-primary);
  box-shadow: 0 0 0 3px rgba(230,57,70,.12);
}

.sdai-send {
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--sdai-secondary), var(--sdai-primary));
}

@media (max-width: 640px) {
  .sdai-position-left,
  .sdai-position-right {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .sdai-position-left .sdai-panel,
  .sdai-position-right .sdai-panel {
    left: 0;
    right: 0;
    width: 100%;
    height: min(72vh, 620px);
  }
}