/* ========================================
   SAXVIK HUB - LOGIN PAGE
   Modern Professional Login Design
   ======================================== */

/* ===== DESIGN TOKENS ===== */
:root {
  /* Brand Colors */
  --brand: #0f6fa8;
  --brand-dark: #0b4f7a;
  --brand-light: #e7f3fb;
  
  /* Backgrounds */
  --bg: #f3f6fb;
  --card: #ffffff;
  
  /* Text */
  --text: #0f172a;
  --text-muted: #5f6f84;
  
  /* Borders */
  --border: #dde6f0;
  
  /* Shadows */
  --shadow: 0 2px 8px rgb(15 23 42 / 0.06);
  --shadow-lg: 0 20px 44px rgb(15 23 42 / 0.14);
  
  /* Border Radius */
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Transitions */
  --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(150deg, #f5f8fc 0%, #edf3f9 100%);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

/* Animated background gradient */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 15% 20%, rgba(15, 111, 168, 0.08) 0%, transparent 45%),
              radial-gradient(circle at 85% 85%, rgba(8, 145, 178, 0.06) 0%, transparent 40%);
  pointer-events: none;
}

@keyframes gradientShift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-10%, -10%); }
}

/* ===== MAIN CARD ===== */
.wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 460px;
  animation: fadeInUp 0.45s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  background: var(--card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

/* ===== HEADER WITH LARGE LOGO ===== */
.header {
  padding: 36px 30px 24px;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(15, 111, 168, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.logo-header {
  width: 260px;
  height: auto;
  max-width: 80%;
  object-fit: contain;
  margin: 0 auto 16px;
  display: block;
  animation: none;
  position: relative;
  z-index: 1;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.hgroup {
  position: relative;
  z-index: 1;
}

.hgroup h1 {
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 6px 0;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hgroup p {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
}

/* ===== FORM CONTENT ===== */
.content {
  padding: 26px 30px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 7px;
}

input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: #fcfdff;
  font-size: 14px;
  font-family: inherit;
  transition: all var(--transition);
  margin-bottom: 14px;
}

input:focus {
  outline: none;
  border-color: var(--brand);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(15, 111, 168, 0.12);
}

input:hover:not(:focus) {
  border-color: var(--border-hover, #c7d3e3);
}

.row {
  margin-top: 18px;
}

.btn {
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--radius);
  border: none;
  background: linear-gradient(135deg, var(--brand) 0%, #0d5f91 100%);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 8px 18px rgba(15, 111, 168, 0.24);
  min-height: 48px;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(15, 111, 168, 0.3);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.helper {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  min-height: 20px;
}

.err {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: rgba(239, 68, 68, 0.1);
  border: 1.5px solid rgba(239, 68, 68, 0.3);
  color: #dc2626;
  font-size: 14px;
  font-weight: 500;
}

.err.show {
  display: block;
  animation: shake 0.4s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

/* ===== FOOTER ===== */
.footer {
  padding: 16px 30px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f8fbff;
}

.link {
  color: var(--brand);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}

.link:hover {
  color: var(--brand-dark);
  text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  body {
    padding: 16px;
  }
  
  .header {
    padding: 30px 22px 22px;
  }
  
  .logo-header {
    width: 210px;
    margin-bottom: 14px;
  }
  
  .hgroup h1 {
    font-size: 20px;
  }
  
  .hgroup p {
    font-size: 13px;
  }
  
  .content {
    padding: 22px;
  }
  
  .footer {
    padding: 14px 22px;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 400px) {
  .logo-header {
    width: 180px;
  }
  
  input {
    font-size: 14px;
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

*:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
.link:hover{ text-decoration:underline; }