/* ============================================
   SMARTPAINT DESIGN SYSTEM — LIGHT MODERN
   Primary : #FFFFFF (white)
   Secondary: #0F1B4C (dark navy)
   Accent   : #3D5AF1 (bright blue)
============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --white: #FFFFFF;
  --off-white: #F7F8FC;
  --gray-50: #F1F3F9;
  --gray-100: #E4E7F0;
  --gray-200: #C8CDD9;
  --gray-400: #8B93A7;
  --gray-600: #5A6178;
  --gray-800: #2D3142;
  --navy: #0F1B4C;
  --navy-light: #1B2B6B;
  --accent: #3D5AF1;
  --accent-hover: #2A44D6;
  --danger: #E74C3C;
  --success: #27AE60;
  --warning: #F39C12;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(15,27,76,0.06);
  --shadow-md: 0 4px 16px rgba(15,27,76,0.08);
  --shadow-lg: 0 8px 32px rgba(15,27,76,0.10);
  --shadow-xl: 0 16px 48px rgba(15,27,76,0.12);
  --transition: 0.2s ease;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--white);
  color: var(--gray-800);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

h1, h2, h3, h4 { color: var(--navy); font-weight: 700; line-height: 1.25; }

p { color: var(--gray-600); margin-bottom: 1rem; }

/* ============================================
   NAVBAR
============================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 72px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  z-index: 1000;
}

.logo-img { height: 38px; width: auto; object-fit: contain; }

.navbar-right { display: flex; align-items: center; gap: 6px; }

.navbar a,
.navbar .dropbtn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.9rem;
  background: transparent;
  box-shadow: none;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.navbar a:hover,
.navbar .dropbtn:hover {
  color: var(--navy);
  background-color: var(--gray-50);
}

/* Dropdown */
.dropdown { position: relative; }

.dropdown-content {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  min-width: 180px;
  padding: 6px;
  box-shadow: var(--shadow-lg);
  z-index: 1001;
}

.dropdown-content a {
  display: block;
  padding: 10px 14px;
  color: var(--gray-600);
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.dropdown-content a:hover {
  background: var(--gray-50);
  color: var(--navy);
}

.dropdown:hover .dropdown-content { display: block; }

/* Hamburger */
.hamburger {
  display: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--navy);
  background: none;
  border: none;
  padding: 8px;
}

.closebtn { display: none; }

.nav-overlay { display: none; position: fixed; inset: 0; background: rgba(15,27,76,0.3); z-index: 999; }
.nav-overlay.active { display: block; }

/* ============================================
   MAIN
============================================ */
main {
  flex: 1;
  padding-top: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

/* ============================================
   BUTTONS
============================================ */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 32px;
  background-color: var(--navy);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--navy-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--white);
}

.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 32px;
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--navy);
  background-color: var(--gray-50);
  color: var(--navy);
}

/* ============================================
   AUTH FORMS (Login, Signup, Forgot)
============================================ */
.auth-page_container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 440px;
  padding: 40px 24px;
}

.login-form-container {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--gray-100);
  padding: 44px 36px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.login-form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
}

.login-form h2 {
  text-align: center;
  margin-bottom: 32px;
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--navy);
}

.input-group {
  margin-bottom: 18px;
  width: 100%;
}

.input-group input {
  width: 100%;
  padding: 14px 18px;
  background: var(--gray-50);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-sm);
  color: var(--gray-800);
  font-family: var(--font);
  font-size: 0.95rem;
  text-align: left;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-group input::placeholder { color: var(--gray-400); }

.input-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(61,90,241,0.12);
}

.login-btn {
  width: 100%;
  padding: 14px;
  background-color: var(--navy);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  height: auto;
}

.login-btn:hover {
  background-color: var(--navy-light);
  box-shadow: var(--shadow-md);
  transform: none;
}

.alt-signin-divider {
  margin: 24px 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--gray-400);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.alt-signin-divider::before,
.alt-signin-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 38%;
  height: 1px;
  background: var(--gray-100);
}
.alt-signin-divider::before { left: 0; }
.alt-signin-divider::after { right: 0; }

.google-login-btn {
  width: 100%;
  padding: 13px;
  background: var(--white);
  color: var(--gray-800);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.93rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  transition: all var(--transition);
}

.google-login-btn:hover {
  border-color: var(--gray-200);
  background: var(--gray-50);
  transform: none;
}

.google-btn-logo { width: 20px; height: 20px; }

.signup-link-container {
  text-align: center;
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--gray-400);
}

.signup-link-container a {
  color: var(--navy);
  font-weight: 600;
}

.error-msg {
  color: var(--danger);
  font-size: 0.82rem;
  margin-top: 6px;
}

.login-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 10px 24px;
  margin-top: 16px;
  cursor: pointer;
  background: transparent;
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  transition: all var(--transition);
}

.login-link-btn:hover {
  background: var(--gray-50);
  border-color: var(--gray-200);
  color: var(--navy);
}

/* ============================================
   FOOTER
============================================ */
footer {
  background: var(--off-white);
  border-top: 1px solid var(--gray-100);
  color: var(--black);
  font-family: var(--font);
  text-align: center;
  padding: 24px 0;
  font-size: 0.82rem;
  flex-shrink: 0;
}

.simple-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 0px;
  max-width: 1200px;
  margin: 0 auto;
}

.simple-footer p { margin: 0; color: var(--black); font-size: 0.82rem; }
.simple-footer a { color: var(--black); }
.simple-footer a:hover { color: var(--gray-400); }

/* ============================================
   CARDS
============================================ */
.card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.glass-box {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 1000px;
  position: relative;
}

/* ============================================
   CONTENT PAGES (Terms, Privacy)
============================================ */
.content-page {
  max-width: 720px;
  width: 100%;
  padding: 48px 24px;
}

.content-page h1 {
  font-size: 2.2rem;
  margin-bottom: 40px;
  font-weight: 800;
}

.content-page h2 {
  font-size: 1.15rem;
  margin-top: 36px;
  margin-bottom: 12px;
}

.content-page p,
.content-page li {
  color: var(--gray-600);
  line-height: 1.85;
  font-size: 0.95rem;
}

.content-page ul { padding-left: 24px; }
.content-page li { margin-bottom: 8px; }

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 768px) {
  .navbar { padding: 0 20px; }

  .hamburger {
    display: block;
    position: relative;
    z-index: 1100;
  }

  .navbar-right {
    position: fixed;
    top: 0; right: -100%;
    height: 100vh;
    width: 300px;
    background: var(--white);
    border-left: 1px solid var(--gray-100);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 28px 40px;
    gap: 4px;
    transition: right 0.3s ease;
    z-index: 1150;
    box-shadow: var(--shadow-xl);
  }

  .navbar-right.active { right: 0; }

  .navbar-right a, .navbar-right .dropbtn {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    color: var(--gray-800);
  }

  .closebtn {
    display: block;
    position: absolute;
    top: 20px; right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--gray-400);
    background: none;
    border: none;
  }

  .dropdown { width: 100%; }

  .dropdown-content {
    position: static;
    border: none;
    box-shadow: none;
    background: transparent;
    padding: 0 0 0 12px;
  }

  main { padding-top: 72px; }

  .simple-footer {
    flex-direction: column;
    gap: 8px;
    padding: 0 20px;
  }

  .login-form-container {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
  }
}

.hide { display: none; }

/* ============================================
   CUSTOM MODAL
============================================ */
.custom-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 27, 76, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.custom-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.custom-modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 90%;
  max-width: 400px;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-align: center;
}

.custom-modal-overlay.active .custom-modal {
  transform: translateY(0) scale(1);
}

.custom-modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
}

.custom-modal-icon.info {
  background: rgba(61, 90, 241, 0.1);
  color: var(--accent);
}

.custom-modal-icon.error {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger);
}

.custom-modal-icon.success {
  background: rgba(39, 174, 96, 0.1);
  color: var(--success);
}

.custom-modal-icon.warning {
  background: rgba(243, 156, 18, 0.1);
  color: var(--warning);
}

.custom-modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
}

.custom-modal-message {
  font-size: 0.95rem;
  color: var(--gray-600);
  margin-bottom: 28px;
  line-height: 1.6;
}

.custom-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.custom-modal-btn {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.custom-modal-btn.confirm {
  background: var(--navy);
  color: var(--white);
}

.custom-modal-btn.confirm:hover {
  background: var(--navy-light);
  box-shadow: var(--shadow-sm);
}

.custom-modal-btn.cancel {
  background: var(--gray-50);
  color: var(--gray-600);
  border: 1px solid var(--gray-100);
}

.custom-modal-btn.cancel:hover {
  background: var(--gray-100);
  color: var(--navy);
}