* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background: #111;
  color: #f5f5f5;
}

a {
  color: inherit;
  text-decoration: none;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.07), transparent 35%),
    linear-gradient(135deg, #151515, #252525 45%, #111);
}

.login-card {
  width: 100%;
  max-width: 430px;
  padding: 32px;
  border-radius: 24px;
  background: rgba(20, 20, 20, 0.94);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.logo-box {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, #ff2d55, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 22px;
  margin-bottom: 22px;
}

h1 {
  margin: 0 0 10px;
  font-size: 30px;
}

.subtitle {
  margin: 0 0 28px;
  color: #b8b8b8;
  font-size: 15px;
  line-height: 1.5;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: #cfcfcf;
}

input {
  width: 100%;
  height: 46px;
  margin-bottom: 16px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #101010;
  color: #fff;
  font-size: 15px;
  outline: none;
}

input:focus {
  border-color: #8b5cf6;
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff2d55, #8b5cf6);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

button.full,
.btn.full {
  width: 100%;
}

.note {
  margin-top: 18px;
  font-size: 12px;
  color: #7f7f7f;
  text-align: center;
}

.app-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
  background: #111;
}

.sidebar {
  padding: 24px;
  background: #171717;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.sidebar-logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: linear-gradient(135deg, #ff2d55, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.sidebar-title {
  font-weight: 800;
  line-height: 1.1;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav a {
  padding: 12px 14px;
  border-radius: 12px;
  color: #cfcfcf;
}

.nav a.active,
.nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.main {
  padding: 32px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.page-title h1 {
  margin: 0 0 6px;
}

.page-title p {
  margin: 0;
  color: #999;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 22px;
  border-radius: 20px;
  background: #181818;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.card h3 {
  margin: 0 0 10px;
}

.card p {
  margin: 0;
  color: #aaa;
  line-height: 1.5;
}

.badge {
  display: inline-flex;
  margin-top: 16px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.16);
  color: #c4b5fd;
  font-size: 12px;
}

.project-list {
  display: grid;
  gap: 14px;
}

.project-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  border-radius: 18px;
  background: #181818;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-item h3 {
  margin: 0 0 6px;
}

.project-item p {
  margin: 0;
  color: #aaa;
}

.mobile-menu-button,
.mobile-menu-close,
.mobile-overlay {
  display: none;
}

@media (max-width: 820px) {
  .app-layout {
    display: block;
  }

  .main {
    padding: 18px 14px 32px;
  }

  .mobile-menu-button {
    display: inline-flex;
    width: auto;
    margin-bottom: 18px;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 12px;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    width: 280px;
    max-width: 82vw;
    height: 100vh;
    padding: 24px;
    background: #171717;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    overflow-y: auto;
  }

  body.menu-open .sidebar {
    transform: translateX(0);
  }

  .mobile-menu-close {
    display: flex;
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    min-height: 36px;
    padding: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 24px;
    line-height: 1;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(0, 0, 0, 0.62);
  }

  body.menu-open .mobile-overlay {
    display: block;
  }

  .sidebar-logo {
    padding-right: 42px;
    margin-bottom: 28px;
  }

  .nav {
    display: grid;
    gap: 8px;
  }

  .nav a {
    padding: 13px 14px;
    border-radius: 12px;
    font-size: 15px;
  }

  .topbar {
    display: block;
    margin-bottom: 24px;
  }

  .topbar .btn,
  .topbar button {
    width: 100%;
    margin-top: 16px;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .project-item {
    display: block;
  }

  .project-item .btn {
    width: 100%;
    margin-top: 16px;
  }

  .page-title h1 {
    font-size: 26px;
  }

  .page-title p {
    font-size: 14px;
    line-height: 1.45;
  }
}

@media (max-width: 520px) {
  .login-page {
    align-items: stretch;
    padding: 14px;
  }

  .login-card {
    max-width: none;
    width: 100%;
    margin: auto 0;
    padding: 24px;
    border-radius: 22px;
  }

  .main {
    padding: 16px 12px 28px;
  }

  .card {
    padding: 18px;
    border-radius: 18px;
  }

  .card h3,
  .project-item h3 {
    font-size: 18px;
  }

  .card p,
  .project-item p {
    font-size: 14px;
  }
}