@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;700&display=swap');

:root {
  --bg: #fefefe;
  --text: #000;
  --text-secondary: #333;
  --divider-color: #eee;
  --card-bg: #fff;
  --card-border: #eee;
  --card-hover-shadow: rgba(0, 0, 0, 0.1);
  --focus-color: #007bff;
  --password-toggle: #555;
}

body.dark {
  --bg: #121212;
  --text: #fff;
  --text-secondary: #aaa;
  --divider-color: #333;
  --card-bg: #1e1e1e;
  --card-border: #333;
  --card-hover-shadow: rgba(255, 255, 255, 0.3);
  --focus-color: #0099ff;
  --password-toggle: #888;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  margin: 0;
  padding: 2rem 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  transition: background 0.2s ease, color 0.2s ease;
}

body.login-page {
  justify-content: center;
  overflow: hidden;
}

.container,
#protected-content {
  max-width: 900px;
  width: 90%;
  padding: 1rem 0;
  margin: 0 auto;
  flex-grow: 1;
  text-align: center;
  animation: fadeIn 1s ease;
}

.header {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1rem 0;
  text-align: center;
}

h1 {
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  font-size: 2.5rem;
}

p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.divider {
  border-bottom: 1px solid var(--divider-color);
  margin: 1rem 0;
}

.profiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin: 2rem 0;
  text-align: left;
}

.profile-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 20px;
  border-radius: 28px;
  transition: all 0.2s ease;
}

.profile-picture {
  width: 100%;
  height: 280px;
  background: var(--divider-color);
  border-radius: 22px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.profile-picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.profile-card h3 {
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 0.3rem;
  color: var(--text);
  font-size: 1.2rem;
}

.profile-card .bio {
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.profile-card .social-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  display: block;
  margin-top: 0.3rem;
  transition: color 0.2s ease;
}

.profile-card .social-link:hover {
  color: var(--text);
}

.profile-card .social-link:hover .username {
  text-decoration: underline;
}

footer {
  width: 100%;
  padding: 0 2rem 2rem;
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.socials {
  display: flex;
  justify-content: center;
}

.socials a {
  color: var(--text);
  fill: var(--text);
  width: 20px;
  opacity: 0.7;
  margin: 0.5rem;
  transition: opacity 0.2s ease;
}

.socials a:hover {
  opacity: 1;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.controls {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg);
  box-shadow: 0 0 0 transparent;
  padding: 0.5rem 0;
  opacity: 0;
  transition: opacity 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.controls.visible { opacity: 1; }
.controls.scrolled { box-shadow: 0 1px 0 var(--divider-color); }

.controls-inner {
  max-width: 900px;
  width: 90%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logout-button {
  padding: 8px 15px;
  background: transparent;
  border: none;
  color: var(--text);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: opacity 0.2s ease;
}

.logout-button:hover { opacity: 0.7; }

.logout-timer-display {
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 400;
}

#auth-container {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  transition: opacity 0.2s ease;
}

.login-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 35px 35px 45px;
  border-radius: 28px;
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
  box-shadow: 0 0 20px var(--card-hover-shadow);
  transition: all 0.2s ease;
}

.login-box h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.login-box p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.input-group {
  position: relative;
  width: 100%;
  margin-bottom: 16px;
}

.input-group input {
  width: 100%;
  padding: 12px 35px 12px 12px;
  font-size: 1rem;
  border: 2px solid var(--divider-color);
  border-radius: 8px;
  outline: none;
  background: var(--card-bg);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-group input:focus {
  border-color: var(--text);
}

.input-group label {
  position: absolute;
  left: 12px;
  top: 0.8rem;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
  pointer-events: none;
  background: var(--card-bg);
  padding: 0 4px;
  transition: all 0.2s ease;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
  top: -8px;
  font-size: 0.8rem;
  color: var(--text);
  padding: 0 6px;
}

.input-group input::placeholder { color: transparent; }

.login-button {
  width: 100%;
  padding: 12px;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.login-button:hover { 
  opacity: 0.9;
}

.error-message {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin: 0.5rem auto;
  color: #ff4d4d;
  font-weight: 500;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}

.error-message.show-error {
  opacity: 1;
}

.password-group {
  position: relative;
}

.password-group input {
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.password-group.fade-out input {
  opacity: 0;
  transform: scale(0.98);
}

.password-group.fade-in input {
  opacity: 1;
  transform: scale(1);
}

.password-toggle {
  background: transparent;
  border: none;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--password-toggle);
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.password-toggle:enabled {
  visibility: visible;
  opacity: 1;
}

.password-toggle svg {
  width: 1.1rem;
  height: 1.1rem;
  stroke: currentColor;
  fill: none;
}

#eye-slash-line {
  stroke-dasharray: 35;
  stroke-dashoffset: 35;
  opacity: 0;
  transition: stroke-dashoffset 0.25s cubic-bezier(0.25, 0.1, 0.25, 1),
    opacity 0.2s ease-out;
}

.password-toggle.shown #eye-slash-line {
  stroke-dashoffset: 0;
  opacity: 1;
}

#auth-container,
#protected-content {
  opacity: 0;
  visibility: hidden;
  display: none;
  transition: opacity 0.4s ease, visibility 0s 0.4s;
}

#auth-container.show,
#protected-content.show {
  display: block;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.4s ease;
}

body:not(.ready) #auth-container,
body:not(.ready) #protected-content {
  display: none !important;
}

@media (min-width: 500px) and (max-height: 500px) {
  #auth-container { 
    padding: 10px;
    }
  .login-box { 
    padding: 20px 20px 10px;
  }
  .login-box h2 { 
    font-size: 1.4rem; 
    margin-bottom: 0.3rem;
  }
  .login-box p { 
    margin-bottom: 1rem;
    font-size: 0.85rem;
  }
  .input-group input { 
    padding: 10px 12px;
  }
  .input-group label { 
    font-size: 0.9rem;
  }
  .input-group input:focus + label,
  .input-group input:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 0.75rem;
  }
  .login-button { 
    padding: 10px;
    font-size: 0.9rem;
  }
  .error-message { 
    margin-top: 5px;
  }
}