:root {
  --navy: #071323;
  --card: rgba(12, 30, 52, 0.76);
  --cyan: #67e8f9;
  --electric: #38bdf8;
  --teal: #2dd4bf;
  --amber: #fbbf24;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  width: 100%;
  min-height: 100svh;
  color: #f0f9ff;
  background: linear-gradient(145deg, rgb(5, 11, 23), rgb(8, 26, 48), rgb(7, 19, 35));
  font-family: "DM Sans", sans-serif;
  overflow-x: hidden;
}

.portal-shell { position: relative; isolation: isolate; display: flex; align-items: center; justify-content: center; width: 100%; min-height: 100svh; padding: clamp(20px, 5vw, 40px); overflow: hidden; }
.portal-shell::before { content: ""; position: absolute; inset: 0; z-index: -3; background-image: linear-gradient(rgba(103, 232, 249, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(103, 232, 249, .055) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, transparent, black 20%, black 78%, transparent); }
.portal-shell::after { content: ""; position: absolute; width: 640px; height: 640px; top: 50%; left: 50%; z-index: -2; border-radius: 999px; transform: translate(-50%, -48%); background: radial-gradient(circle, rgba(14, 165, 233, .2) 0%, rgba(20, 184, 166, .09) 32%, transparent 68%); filter: blur(12px); animation: breathe 6s ease-in-out infinite; }
.ambient-orb { position: absolute; z-index: -1; width: 260px; height: 260px; border-radius: 999px; filter: blur(2px); pointer-events: none; }
.orb-one { top: -110px; left: -80px; background: radial-gradient(circle, rgba(56, 189, 248, .18), transparent 70%); }
.orb-two { right: -100px; bottom: -100px; background: radial-gradient(circle, rgba(251, 191, 36, .13), transparent 70%); }

.welcome-card { position: relative; width: min(100%, 560px); padding: clamp(30px, 5vw, 48px); border: 1px solid rgba(103, 232, 249, .24); border-radius: 30px; background: var(--card); box-shadow: 0 24px 80px rgba(0, 0, 0, .38), 0 0 34px rgba(56, 189, 248, .1), inset 0 1px 0 rgba(255, 255, 255, .1); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); animation: card-rise 700ms cubic-bezier(.2, .9, .2, 1) both; }
.welcome-card::before { content: ""; position: absolute; top: 0; left: 11%; width: 78%; height: 1px; background: linear-gradient(90deg, transparent, rgba(103, 232, 249, .9), transparent); box-shadow: 0 0 14px rgba(103, 232, 249, .7); }
.brand-mark { width: 80px; height: 80px; border: 1px solid rgba(103, 232, 249, .48); background: linear-gradient(145deg, rgba(14, 165, 233, .25), rgba(20, 184, 166, .16)); box-shadow: 0 0 0 7px rgba(56, 189, 248, .07), 0 0 28px rgba(34, 211, 238, .24); }
.brand-icon { width: 32px; height: 32px; color: #a5f3fc; }
.signal-icon { position: absolute; top: -10px; right: -12px; width: 17px; height: 17px; color: var(--amber); }
.signal-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--teal); box-shadow: 0 0 12px var(--teal); animation: blink 1.9s ease-in-out infinite; }
.portal-label { margin: 0; color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: .12rem; text-transform: uppercase; }
.login-title { margin: 20px 0 0; color: #f0f9ff; font-size: 30px; line-height: 1.1; }
.login-subtitle { max-width: 420px; margin: 16px auto 0; color: #a5c5dc; font-size: 17px; line-height: 1.55; }
.login-form { display: grid; gap: 18px; margin-top: 32px; }
.form-group { display: grid; gap: 8px; }
.form-group label { color: #c5dbea; font-size: 13px; font-weight: 600; }
.input-container { position: relative; display: flex; align-items: center; }
.input-container > svg { position: absolute; left: 15px; width: 18px; height: 18px; color: var(--cyan); pointer-events: none; }
.input-container input { min-width: 0; width: 100%; border: 1px solid rgba(103, 232, 249, .25); border-radius: 10px; padding: 13px 15px 13px 44px; color: #f0f9ff; background: rgba(4, 15, 30, .48); font: inherit; font-size: 14px; outline: none; transition: border-color .2s, box-shadow .2s; }
.input-container input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(103, 232, 249, .12); }
.input-container input::placeholder { color: #7698b2; }
.password-toggle { position: absolute; right: 10px; border: 0; padding: 6px; color: var(--cyan); background: transparent; cursor: pointer; font: inherit; font-size: 12px; font-weight: 700; }
.password-toggle:focus-visible, .login-button:focus-visible { outline: 3px solid rgba(103, 232, 249, .7); outline-offset: 4px; }
.remember-option { display: flex; align-items: center; gap: 8px; color: #a5c5dc; font-size: 13px; cursor: pointer; }
.remember-option input { accent-color: var(--teal); }
.button-glow { position: relative; overflow: hidden; transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease; box-shadow: 0 12px 28px rgba(14, 165, 233, .27), inset 0 1px 0 rgba(255, 255, 255, .28); }
.button-glow::before { content: ""; position: absolute; top: -100%; left: -35%; width: 28%; height: 300%; background: rgba(255, 255, 255, .35); transform: rotate(22deg); transition: left 550ms ease; }
.button-glow:hover::before, .button-glow:focus-visible::before { left: 115%; }
.button-glow:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 16px 36px rgba(14, 165, 233, .38), inset 0 1px 0 rgba(255, 255, 255, .32); }
.login-button { display: flex; align-items: center; justify-content: center; gap: 12px; width: 100%; border: 0; border-radius: 16px; padding: 16px 24px; color: #ecfeff; background: linear-gradient(135deg, rgb(2, 132, 199), rgb(6, 182, 212)); cursor: pointer; font: inherit; font-size: 16px; font-weight: 700; }
.login-button svg { width: 20px; height: 20px; }
.login-button:disabled { cursor: wait; opacity: .75; }
.security-icon { width: 15px; height: 15px; color: var(--teal); }
.security-note { margin: 0; color: #79a4bf; font-size: 13px; }
.login-alert { margin-top: 20px; border: 1px solid rgba(251, 113, 133, .4); border-radius: 8px; padding: 10px 12px; color: #fecdd3; background: rgba(127, 29, 29, .25); font-size: 13px; text-align: left; }

@keyframes card-rise { from { opacity: 0; transform: translateY(20px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes breathe { 0%, 100% { opacity: .68; transform: translate(-50%, -48%) scale(.96); } 50% { opacity: 1; transform: translate(-50%, -48%) scale(1.06); } }
@keyframes blink { 0%, 100% { opacity: .55; transform: scale(.85); } 50% { opacity: 1; transform: scale(1.14); } }
@media (max-width: 560px) { .portal-shell { align-items: flex-start; padding: 20px 14px; } .welcome-card { margin: auto 0; padding: 32px 22px; border-radius: 25px; } .login-title { font-size: 26px; } .login-subtitle { font-size: 15px; } .login-form { gap: 16px; margin-top: 28px; } }
@media (max-width: 380px) { .portal-shell { padding: 14px 10px; } .welcome-card { padding: 28px 16px; } .brand-mark { width: 68px; height: 68px; } .login-title { font-size: 23px; } .login-subtitle { font-size: 14px; } .portal-label { font-size: 11px; letter-spacing: .1rem; } .security-note { font-size: 12px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; } }