:root
{
  --color-bg: #f4f8fb;
  --color-main-card: #fff;
  --color-input-bg: #f9fbfc;
  --color-input-border: #c6dbf5;
  --color-btn-bg: #e6eafd;
  --color-btn-txt: #003073;
  --color-btn-bg-hover: #b8d2fa;
  --color-link: #1566c1;
  --color-accent: #2450a9;
}

body
{
  background: var(--color-bg);
  color: #222;
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.main-card
{
  margin: 40px auto 0 auto;
  width: 99vw;
  max-width: 650px;
  min-width: 340px;
  background: var(--color-main-card);
  border-radius: 24px;
  box-shadow: 0 8px 32px 0 rgba(50,80,120,0.13), 0 1.5px 5px rgba(0,0,0,0.07);
  padding: 36px 5vw 34px 5vw;
  transition: background 0.22s;
  position: relative;
}

.auth-block
{
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 65vh;
}

.auth-card
{
  background: var(--color-main-card);
  border-radius: 17px;
  padding: 34px 34px 26px 34px;
  box-shadow: 0 6px 28px 0 rgba(30, 90, 120, 0.13), 0 1px 3px rgba(0,0,0,0.07);
  min-width: 320px;
  margin: 35px auto 30px auto;
}

.auth-title
{
  font-size: 24px;
  margin-bottom: 22px;
  color: var(--color-accent);
  text-align: center;
  letter-spacing: 1px;
  font-weight: 600;
}

.login-form input[type="text"],
.login-form input[type="password"]
{
  width: 100%;
  font-size: 17px;
  padding: 11px 14px;
  margin-bottom: 15px;
  border-radius: 7px;
  border: 1px solid var(--color-input-border);
  background: var(--color-input-bg);
  transition: border-color 0.17s;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus
{
  border-color: #93b2f6;
  outline: none;
}

.login-form button
{
  width: 100%;
  background: var(--color-btn-bg);
  color: var(--color-btn-txt);
  border: none;
  border-radius: 7px;
  padding: 12px 0;
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 11px;
  cursor: pointer;
  transition: background 0.13s;
  box-shadow: 0 2px 6px rgba(140,170,220,0.05);
}

.login-form button:hover
{
  background: var(--color-btn-bg-hover);
}

.auth-vkid
{
  margin-top: 16px;
  text-align: center;
}

#theme-toggle
{
  background: none;
  border: none;
  font-size: 23px;
  cursor: pointer;
  margin-left: 8px;
  margin-top: 2px;
  color: #888;
  transition: color 0.13s;
  vertical-align: middle;
}

#theme-toggle:hover
{
  color: #1566c1;
}

.msg-error
{
  background: #fbeaea;
  color: #900;
  border: 1px solid #e9b0b0;
  border-radius: 6px;
  padding: 8px 14px;
  margin-bottom: 12px;
  font-size: 15px;
}
.msg-success
{
  background: #e7fbe8;
  color: #227322;
  border: 1px solid #aee5b4;
  border-radius: 6px;
  padding: 8px 14px;
  margin-bottom: 12px;
  font-size: 15px;
}

.tags-list
{
  margin-bottom: 22px;
}
.tag-link
{
  display: inline-block;
  margin: 0 5px 4px 0;
  padding: 5px 10px 5px 10px;
  border-radius: 7px;
  background: #f2f7fa;
  color: #333;
  text-decoration: none;
  font-size: 15px;
  transition: background 0.13s;
}
.tag-link-active
{
  background: #d2e2f7;
  color: var(--color-accent);
  font-weight: 600;
}
.tag-link:hover
{
  background: #e4ecfa;
}

.links-table-wrap
{
  margin: 0 0 22px 0;
}
.links-table
{
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 5px;
}
.link-title
{
  color: var(--color-link);
  font-weight: 500;
  font-size: 17px;
  text-decoration: none;
}
.link-title:hover
{
  text-decoration: underline;
}
.link-edit, .link-del
{
  display: inline-block;
  margin-left: 2px;
  margin-right: 2px;
  font-size: 17px;
  text-decoration: none;
  cursor: pointer;
  color: #aaa;
  transition: color 0.13s;
  vertical-align: middle;
}
.link-edit:hover
{
  color: #1a4ea9;
}
.link-del:hover
{
  color: #ba2727;
}

.add-link-form-wrap
{
  margin-top: 18px;
}
.add-link-btn
{
  background: var(--color-btn-bg);
  color: var(--color-btn-txt);
  border: none;
  border-radius: 7px;
  padding: 9px 16px;
  font-size: 16px;
  font-weight: 600;
  margin-left: 4px;
  cursor: pointer;
  transition: background 0.13s;
}
.add-link-btn:hover
{
  background: var(--color-btn-bg-hover);
}
.profile-card
{
  max-width: 380px;
  margin: 32px auto 0 auto;
  padding: 22px 22px 12px 22px;
  border-radius: 18px;
  background: var(--color-main-card);
  box-shadow: 0 4px 20px 0 rgba(80,100,160,0.10);
}

@media (max-width: 700px)
{
  .main-card
  {
    padding: 19px 1vw 15px 1vw;
    min-width: 0;
    max-width: 98vw;
  }
  .auth-card, .profile-card
  {
    min-width: 0;
    max-width: 99vw;
    padding: 12px 3vw 9px 3vw;
  }
}