:root { --bg: #f4f7fb; --surface: #FFFFFF; --ink: #0F172A; --ink-2: #1E293B; --muted: #64748b; --muted-2: #94a3b8; --border: #0F172A; --sky: #00BFFF; --sky-dark: #0095CC; --sky-soft: #E0F5FF; --sky-focus: #F0FAFF; --amber: #f59e0b; --coral: #ef4444; --radius: 12px; --radius-sm: 10px; --shadow: 5px 5px 0 var(--border); --shadow-sm: 3px 3px 0 var(--border); --shadow-xs: 2px 2px 0 var(--border); }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background: var(--bg); min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; -webkit-font-smoothing: antialiased; }
.login-container { width: 100%; max-width: 440px; }
.login-card { background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius); padding: 36px 32px 32px; box-shadow: var(--shadow); animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.login-header { margin-bottom: 28px; }
.brand-line { display: inline-flex; align-items: center; padding: 7px 18px; background: var(--surface); border: 2px solid var(--border); border-radius: 999px; box-shadow: var(--shadow-xs); margin-bottom: 22px; }
.brand-text { font-size: 12px; font-weight: 900; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); }
.login-header h1 { color: var(--ink); font-size: 28px; font-weight: 900; letter-spacing: -0.03em; line-height: 1.15; }
.login-header p { color: var(--muted); font-size: 14px; font-weight: 500; margin-top: 6px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; color: var(--ink); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; }
.form-group label i { color: var(--amber); font-size: 13px; }
.password-wrapper { position: relative; display: flex; align-items: center; width: 100%; }
.form-input { width: 100%; padding: 13px 16px; background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius-sm); color: var(--ink-2); font-size: 15px; font-weight: 500; transition: transform 100ms ease, box-shadow 100ms ease, border-color 150ms ease, background-color 150ms ease; padding-right: 48px; outline: none; box-shadow: var(--shadow-xs); }
.form-input::placeholder { color: var(--muted-2); font-weight: 500; }
.form-input:hover { transform: translate(-1px, -1px); box-shadow: var(--shadow-sm); }
.form-input:focus { transform: translate(-2px, -2px); box-shadow: var(--shadow-sm); border-color: var(--sky); background: var(--sky-focus); }
#togglePassword { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); cursor: pointer; color: var(--muted-2); font-size: 17px; transition: color 150ms; z-index: 2; }
#togglePassword:hover { color: var(--sky); }
.password-counter { text-align: right; font-size: 11px; font-weight: 700; color: var(--muted-2); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.05em; }
.login-footer { margin: 16px 0 20px; padding: 12px 16px; background: var(--sky-soft); border: 2px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-xs); text-align: center; color: var(--ink); font-size: 13px; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 8px; }
.login-footer i { color: var(--sky-dark); font-size: 14px; }
.recaptcha-wrapper { margin: 0 0 20px; display: flex; justify-content: center; }
.btn { padding: 14px 24px; border: 2px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; font-weight: 800; cursor: pointer; transition: transform 100ms ease, box-shadow 100ms ease, background-color 150ms ease; display: flex; align-items: center; justify-content: center; gap: 10px; color: #fff; letter-spacing: 0.06em; text-transform: uppercase; width: 100%; }
.btn-primary { background: var(--sky); box-shadow: var(--shadow-sm); }
.btn-primary:hover:not(:disabled) { background: var(--sky-dark); transform: translate(-2px, -2px); box-shadow: var(--shadow); }
.btn-primary:active:not(:disabled) { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--border); }
.btn-primary:focus-visible { outline: 2px solid var(--sky); outline-offset: 2px; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.login-links { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 20px; font-size: 13px; flex-wrap: wrap; }
.login-links a { text-decoration: none; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; transition: color 150ms; color: var(--sky-dark); }
.login-links a:hover { color: var(--sky); text-decoration: underline; text-underline-offset: 3px; }
.login-links a.link-warning { color: var(--coral); }
.login-links a.link-warning:hover { color: #dc2626; }
#loadingOverlay { background: rgba(15, 23, 42, 0.7) !important; backdrop-filter: blur(3px); }
#loadingOverlay > div { background: var(--surface) !important; border: 2px solid var(--border); border-radius: var(--radius) !important; box-shadow: var(--shadow); color: var(--ink) !important; }
.spinner { width: 40px; height: 40px; border: 3px solid var(--sky-soft); border-top: 3px solid var(--sky); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 0 auto; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
#loadingMessage { color: var(--ink) !important; }
@media (max-width: 480px) { .login-card { padding: 28px 22px 24px; } .login-header h1 { font-size: 24px; } }