/* ===== SHARED STYLES — DealClaw Design System ===== */
/* Extracted from index.html for multi-page consistency */

/* ===== LIGHT THEME (DEFAULT) ===== */
:root {
  --primary: #1B2A4A;
  --accent: #E04A2F;
  --accent-hover: #C73D24;
  --accent-light: #FFF1EE;
  --bg: #FAFBFC;
  --card-bg: #FFFFFF;
  --text: #333333;
  --text-light: #6B7280;
  --border: #E5E7EB;
  --gradient-start: #1B2A4A;
  --gradient-end: #2D4A7A;
  --nav-bg: rgba(255,255,255,0.92);
  --hero-gradient: linear-gradient(180deg, #F0F4FF 0%, var(--bg) 100%);
  --success: #10B981;
  --warning: #F59E0B;
}

/* ===== DARK THEME ===== */
html.dark {
  --primary: #E0E7FF;
  --accent: #F06040;
  --accent-hover: #D94E30;
  --accent-light: #1C1917;
  --bg: #0F172A;
  --card-bg: #1E293B;
  --text: #E2E8F0;
  --text-light: #94A3B8;
  --border: #334155;
  --gradient-start: #0F172A;
  --gradient-end: #1E293B;
  --nav-bg: rgba(15,23,42,0.92);
  --hero-gradient: linear-gradient(180deg, #1E293B 0%, var(--bg) 100%);
}

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

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ===== NAVBAR ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-size: 1.4rem; font-weight: 800; color: var(--primary);
  letter-spacing: -0.5px; text-decoration: none;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a {
  color: var(--text-light); text-decoration: none; font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-cta {
  background: var(--accent) !important; color: white !important;
  padding: 0.5rem 1.2rem; border-radius: 8px;
  font-weight: 600 !important; transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent-hover) !important; }
.nav-secondary {
  background: transparent !important; color: var(--accent) !important;
  border: 1px solid var(--accent) !important;
  padding: 0.45rem 1.1rem; border-radius: 8px;
  font-weight: 600 !important; transition: all 0.2s !important;
}
.nav-secondary:hover {
  background: var(--accent) !important; color: white !important;
}

/* Nav Controls */
.nav-controls {
  display: flex; align-items: center; gap: 0.75rem;
}
.lang-switcher { position: relative; }
.lang-btn {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  padding: 0.35rem 0.7rem; font-size: 0.8rem; font-weight: 600;
  color: var(--text); cursor: pointer; font-family: inherit;
  transition: border-color 0.2s;
}
.lang-btn:hover { border-color: var(--accent); }
.lang-dropdown {
  display: none; position: absolute; top: 100%; right: 0; margin-top: 0.4rem;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  min-width: 120px; z-index: 200; overflow: hidden;
}
.lang-dropdown.open { display: block; }
.lang-option {
  display: block; width: 100%; padding: 0.5rem 1rem;
  font-size: 0.85rem; font-weight: 500; color: var(--text);
  background: none; border: none; cursor: pointer; text-align: left;
  font-family: inherit; transition: background 0.15s;
}
.lang-option:hover { background: var(--accent-light); }
.lang-option.active { color: var(--accent); font-weight: 700; }

.dark-toggle {
  background: none; border: 1px solid var(--border); border-radius: 6px;
  padding: 0.35rem 0.55rem; cursor: pointer; font-size: 1rem;
  line-height: 1; transition: border-color 0.2s; color: var(--text);
}
.dark-toggle:hover { border-color: var(--accent); }

/* ===== FOOTER ===== */
footer {
  background: var(--gradient-start); color: rgba(255,255,255,0.6);
  padding: 3rem 2rem; text-align: center;
  font-size: 0.85rem;
}
footer a { color: var(--accent); text-decoration: none; }

/* ===== SECTION STYLES ===== */
section { padding: 5rem 2rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-header {
  text-align: center; max-width: 650px; margin: 0 auto 3.5rem;
}
.section-header h2 {
  font-size: 2.2rem; font-weight: 800; color: var(--primary);
  letter-spacing: -0.5px; margin-bottom: 1rem;
}
.section-header p {
  font-size: 1.05rem; color: var(--text-light); line-height: 1.6;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block; padding: 0.8rem 1.8rem;
  border-radius: 10px; font-size: 1rem; font-weight: 700;
  font-family: inherit; cursor: pointer; transition: all 0.2s;
  text-decoration: none; border: none; text-align: center;
}
.btn-primary {
  background: var(--accent); color: white;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(224,74,47,0.3);
}
.btn-secondary {
  background: transparent; color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-secondary:hover {
  background: var(--accent); color: white;
}
.btn-ghost {
  background: transparent; color: var(--text-light);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent); color: var(--accent);
}
.btn-sm { padding: 0.5rem 1.2rem; font-size: 0.85rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.1rem; }
.btn:disabled {
  opacity: 0.5; cursor: not-allowed; transform: none !important;
  box-shadow: none !important;
}

/* ===== FORM INPUTS ===== */
.form-input {
  width: 100%; padding: 0.9rem 1.2rem;
  border: 2px solid var(--border); border-radius: 10px;
  font-size: 1rem; font-family: inherit;
  outline: none; transition: border-color 0.2s;
  background: var(--card-bg); color: var(--text);
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-light); }
.form-label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--primary); margin-bottom: 0.4rem;
}
.form-group { margin-bottom: 1.2rem; }
.form-error {
  font-size: 0.8rem; color: var(--accent); margin-top: 0.3rem;
}

/* ===== CARDS ===== */
.card {
  background: var(--card-bg); padding: 2rem;
  border-radius: 16px; border: 1px solid var(--border);
  transition: all 0.2s;
}
.card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(224,74,47,0.08);
}

/* ===== CHAT MOCKUP (reused in demo) ===== */
.dealbot-chat {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}
.dealbot-chat-header {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  padding: 1rem 1.5rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.dealbot-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: white;
}
.dealbot-chat-header span {
  font-weight: 700; font-size: 0.95rem;
}
.dealbot-chat-header small {
  font-size: 0.75rem; opacity: 0.7; margin-left: auto;
}
.dealbot-messages {
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  min-height: 120px;
}
.chat-msg {
  max-width: 85%; padding: 0.7rem 1rem;
  border-radius: 14px;
  font-size: 0.9rem; line-height: 1.5;
  animation: msgFadeIn 0.3s ease;
}
@keyframes msgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--accent); color: white;
  border-bottom-right-radius: 4px;
}
.chat-msg.bot {
  align-self: flex-start;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-bottom-left-radius: 4px;
}
.chat-msg.bot .status { color: var(--accent); font-weight: 600; }
.chat-msg.bot strong { font-weight: 700; }
.chat-msg.system {
  align-self: center;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.8rem; font-weight: 600;
  border-radius: 20px; padding: 0.4rem 1rem;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
  background: var(--gradient-start); color: rgba(255,255,255,0.9);
  padding: 1.2rem 2rem;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}
.cookie-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; gap: 1.5rem;
  flex-wrap: wrap; justify-content: space-between;
}
.cookie-text {
  flex: 1; min-width: 280px;
  font-size: 0.85rem; line-height: 1.5;
}
.cookie-text a { color: var(--accent); text-decoration: none; }
.cookie-buttons { display: flex; gap: 0.75rem; flex-shrink: 0; }
.cookie-btn {
  padding: 0.6rem 1.4rem; border-radius: 8px;
  font-size: 0.85rem; font-weight: 600; font-family: inherit;
  cursor: pointer; border: none; transition: all 0.2s;
}
.cookie-btn-accept { background: var(--accent); color: white; }
.cookie-btn-accept:hover { background: var(--accent-hover); }
.cookie-btn-reject {
  background: rgba(255,255,255,0.1); color: white;
  border: 1px solid rgba(255,255,255,0.3);
}
.cookie-btn-reject:hover { background: rgba(255,255,255,0.2); }

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-light { color: var(--text-light); }
.text-sm { font-size: 0.85rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none !important; }
.fade-in { animation: fadeIn 0.4s ease; }
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== HAMBURGER MENU ===== */
.hamburger {
  display: none;
  background: none; border: 2px solid var(--accent); border-radius: 8px;
  cursor: pointer; padding: 0.35rem 0.45rem;
  color: var(--accent);
  flex-shrink: 0;
}
.hamburger svg { display: block; }
.hamburger:active { background: var(--accent); color: white; }

/* Mobile nav overlay for closing */
.nav-overlay {
  display: none;
  position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
  z-index: 99;
}
.nav-overlay.open { display: block; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hamburger { display: flex; align-items: center; justify-content: center; }
  nav { padding: 0 0.75rem; gap: 0.5rem; }
  .nav-controls { gap: 0.4rem; }
  .nav-links {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0;
    z-index: 200;
    background: var(--card-bg);
    border-bottom: 2px solid var(--accent);
    flex-direction: column;
    padding: 0.75rem 0;
    gap: 0;
    box-shadow: 0 8px 30px rgba(224,74,47,0.12);
    animation: mobileMenuSlide 0.2s ease;
  }
  @keyframes mobileMenuSlide {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    display: block;
    padding: 0.85rem 1.5rem !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    color: var(--text) !important;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s, color 0.15s;
    border-radius: 0 !important;
    background: none !important;
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a:hover,
  .nav-links a:active {
    background: var(--accent-light) !important;
    color: var(--accent) !important;
  }
  .nav-links .nav-cta {
    background: var(--accent) !important;
    color: white !important;
    margin: 0.5rem 1rem !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 10px !important;
    text-align: center !important;
    font-weight: 700 !important;
    border-bottom: none;
  }
  .nav-links .nav-cta:hover,
  .nav-links .nav-cta:active {
    background: var(--accent-hover) !important;
    color: white !important;
  }
}