/* ==========================================================================
   Login Screen
   Ornate medieval aesthetic for the entry point to Hivemind
   ========================================================================== */

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 90vh;
  padding: var(--space-lg);
}

/* Eldritch transformation on authentication failure */
.login-container--eldritch {
  background: linear-gradient(
    135deg,
    var(--eldritch-void) 0%,
    var(--eldritch-deep) 30%,
    var(--void-purple) 60%,
    var(--eldritch-dark) 100%
  );
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

/* Animated vignette layer - pulses with eldritch energy */
.login-container--eldritch::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(45, 90, 74, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(74, 42, 92, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, transparent 30%, var(--eldritch-void) 100%);
  pointer-events: none;
  animation: eldritch-pulse 8s ease-in-out infinite;
  z-index: 0;
}

/* Floating particles layer - starfield drifts through the void */
.login-container--eldritch::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, var(--eldritch-accent), transparent),
    radial-gradient(2px 2px at 60% 70%, var(--eye-glow), transparent),
    radial-gradient(1px 1px at 50% 50%, var(--eldritch-text-dim), transparent),
    radial-gradient(1px 1px at 80% 10%, var(--eldritch-accent), transparent),
    radial-gradient(2px 2px at 90% 60%, var(--eldritch-text-dim), transparent),
    radial-gradient(1px 1px at 33% 80%, var(--eye-glow), transparent),
    radial-gradient(1px 1px at 15% 60%, var(--eldritch-text-dim), transparent);
  background-size: 200% 200%;
  background-position: 0% 0%;
  opacity: 0.3;
  pointer-events: none;
  animation: particles-float 20s ease-in-out infinite;
  z-index: 0;
}

@keyframes eldritch-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

@keyframes particles-float {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
  100% { background-position: 0% 0%; }
}

/* Card with ornate decorative corners */
.login-card {
  background: var(--parchment-300);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  background-image:
    linear-gradient(var(--parchment-300), var(--parchment-300)),
    linear-gradient(135deg, #92400e, #f59e0b);
  background-origin: padding-box, border-box;
  background-clip: padding-box, border-box;
  padding: var(--space-xl);
  max-width: 28rem;
  width: 100%;
  box-shadow: var(--shadow-lg);
  position: relative;
  transition: all 0.3s ease;
}

.login-card:hover {
  box-shadow:
    var(--shadow-xl),
    0 0 20px rgba(193, 147, 80, 0.08);
}

/* Eldritch transformation on error - card becomes portal to the void */
.login-container--eldritch .login-card {
  background: var(--eldritch-deep);
  border: 2px solid var(--eldritch-glow);
  background-image: none;
  box-shadow:
    0 0 30px rgba(74, 42, 92, 0.5),
    0 0 50px rgba(0, 255, 136, 0.2);
  z-index: 1;
}

.login-container--eldritch .login-card:hover {
  box-shadow:
    0 0 40px rgba(74, 42, 92, 0.7),
    0 0 60px rgba(0, 255, 136, 0.3);
}

/* Title and subtitle */
.login-card h1 {
  text-align: center;
  margin-bottom: var(--space-xs);
  font-size: var(--text-4xl);
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, #92400e, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.3s ease;
}

.login-subtitle {
  color: var(--grey-500);
  margin-bottom: var(--space-xl);
  text-align: center;
  font-size: var(--text-sm);
  font-style: italic;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}

/* Eldritch transformation - ancient runes glow */
.login-container--eldritch .login-card h1 {
  background: none;
  -webkit-text-fill-color: var(--eldritch-accent);
  color: var(--eldritch-accent);
  text-shadow:
    0 0 20px rgba(0, 255, 136, 0.6),
    0 0 40px rgba(0, 255, 136, 0.3);
}

.login-container--eldritch .login-subtitle {
  color: var(--eldritch-text-dim);
}

/* ==========================================================================
   Ornate Decorative Corners
   More elaborate than the simple corners used elsewhere
   ========================================================================== */

.login-corner {
  position: absolute;
  width: 32px;
  height: 32px;
  opacity: 0.3;
  transition: opacity 0.3s ease, border-color 0.3s ease;
}

/* Top-left corner */
.login-corner-tl {
  top: -2px;
  left: -2px;
  border-top: 2px solid var(--parchment-600);
  border-left: 2px solid var(--parchment-600);
  border-top-left-radius: var(--radius-md);
}

.login-corner-tl::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 8px;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--parchment-600);
  border-left: 1px solid var(--parchment-600);
  transition: border-color 0.3s ease;
}

/* Top-right corner */
.login-corner-tr {
  top: -2px;
  right: -2px;
  border-top: 2px solid var(--parchment-600);
  border-right: 2px solid var(--parchment-600);
  border-top-right-radius: var(--radius-md);
}

.login-corner-tr::before {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--parchment-600);
  border-right: 1px solid var(--parchment-600);
  transition: border-color 0.3s ease;
}

/* Bottom-left corner */
.login-corner-bl {
  bottom: -2px;
  left: -2px;
  border-bottom: 2px solid var(--parchment-600);
  border-left: 2px solid var(--parchment-600);
  border-bottom-left-radius: var(--radius-md);
}

.login-corner-bl::before {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 8px;
  width: 12px;
  height: 12px;
  border-bottom: 1px solid var(--parchment-600);
  border-left: 1px solid var(--parchment-600);
  transition: border-color 0.3s ease;
}

/* Bottom-right corner */
.login-corner-br {
  bottom: -2px;
  right: -2px;
  border-bottom: 2px solid var(--parchment-600);
  border-right: 2px solid var(--parchment-600);
  border-bottom-right-radius: var(--radius-md);
}

.login-corner-br::before {
  content: "";
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 12px;
  height: 12px;
  border-bottom: 1px solid var(--parchment-600);
  border-right: 1px solid var(--parchment-600);
  transition: border-color 0.3s ease;
}

/* Brighten corners on card hover */
.login-card:hover .login-corner {
  opacity: 0.6;
}

/* Eldritch transformation - runes glow with ancient power */
.login-container--eldritch .login-corner {
  opacity: 0.6;
}

.login-container--eldritch .login-corner-tl,
.login-container--eldritch .login-corner-tr,
.login-container--eldritch .login-corner-bl,
.login-container--eldritch .login-corner-br {
  border-color: var(--eldritch-accent);
}

.login-container--eldritch .login-corner-tl::before,
.login-container--eldritch .login-corner-tr::before,
.login-container--eldritch .login-corner-bl::before,
.login-container--eldritch .login-corner-br::before {
  border-color: var(--tentacle-purple);
}

.login-container--eldritch .login-card:hover .login-corner {
  opacity: 1;
}

/* ==========================================================================
   Form Styling
   ========================================================================== */

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.login-form .form-field {
  margin-bottom: 0;
}

.login-form .text-input {
  width: 100%;
  max-width: none;
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.login-form .form-label {
  transition: color 0.3s ease;
}

/* Eldritch transformation - inputs darken */
.login-container--eldritch .login-form .text-input {
  background-color: var(--eldritch-dark);
  border-color: var(--eldritch-glow);
  color: var(--eldritch-text);
}

.login-container--eldritch .login-form .text-input:focus {
  border-color: var(--eldritch-accent);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.login-container--eldritch .login-form .form-label {
  color: var(--eldritch-text);
}

/* ==========================================================================
   Error Display - Eldritch Horror Theme
   The ancient ones reject unworthy mortals
   ========================================================================== */

/* Eldritch color palette is now defined in variables.css */

.login-error {
  background: linear-gradient(135deg, var(--void-purple), var(--tentacle-purple));
  color: var(--eldritch-accent);
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--tentacle-purple);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-align: center;
  margin-bottom: var(--space-sm);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  box-shadow:
    0 0 20px rgba(74, 42, 92, 0.6),
    0 0 30px rgba(0, 255, 136, 0.2);
  animation: eldritch-error-appear 0.5s ease-out;
}

@keyframes eldritch-error-appear {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
    box-shadow: 0 0 0 rgba(74, 42, 92, 0);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    box-shadow:
      0 0 20px rgba(74, 42, 92, 0.6),
      0 0 30px rgba(0, 255, 136, 0.2);
  }
}

/* Eldritch shake animation - more dramatic for mortal rejection */
@keyframes login-shake {
  0%, 100% { transform: translateX(0) rotate(0deg); }
  10% { transform: translateX(-6px) rotate(-1deg); }
  20% { transform: translateX(6px) rotate(1deg); }
  30% { transform: translateX(-6px) rotate(-1deg); }
  40% { transform: translateX(6px) rotate(1deg); }
  50% { transform: translateX(-4px) rotate(-0.5deg); }
  60% { transform: translateX(4px) rotate(0.5deg); }
  70% { transform: translateX(-2px) rotate(-0.5deg); }
  80% { transform: translateX(2px) rotate(0.5deg); }
  90% { transform: translateX(-1px) rotate(0deg); }
}

.login-form-shake {
  animation: login-shake 0.6s ease-in-out;
}

/* ==========================================================================
   Submit Button - Gold Gradient with Pulse
   Inspired by questioning submit button, adapted to parchment theme
   ========================================================================== */

.login-submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--parchment-50);
  background: linear-gradient(135deg, var(--grey-600), var(--grey-700));
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
  margin-top: var(--space-md);
  box-shadow: var(--shadow-md);
  animation: login-button-pulse 3s ease-in-out infinite;
}

.login-submit-button:hover {
  background: linear-gradient(135deg, var(--grey-700), var(--grey-800));
  box-shadow:
    var(--shadow-lg),
    0 0 15px rgba(139, 69, 19, 0.15);
  transform: translateY(-1px);
  animation: none;
}

.login-submit-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Subtle pulse animation to draw attention */
@keyframes login-button-pulse {
  0%, 100% {
    box-shadow: var(--shadow-md);
  }
  50% {
    box-shadow:
      var(--shadow-md),
      0 0 12px rgba(139, 69, 19, 0.12);
  }
}

/* Eldritch transformation - button glows with otherworldly power */
.login-container--eldritch .login-submit-button {
  color: var(--eldritch-void);
  background: linear-gradient(135deg, var(--eldritch-glow), var(--eldritch-highlight));
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
  animation: eldritch-button-pulse 3s ease-in-out infinite;
}

.login-container--eldritch .login-submit-button:hover {
  background: linear-gradient(135deg, var(--eldritch-highlight), var(--eldritch-accent));
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.login-container--eldritch .login-submit-button:active {
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

/* Eldritch pulse animation - the void calls */
@keyframes eldritch-button-pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
  }
  50% {
    box-shadow:
      0 0 30px rgba(0, 255, 136, 0.5),
      0 0 40px rgba(74, 42, 92, 0.3);
  }
}

/* Tap ripple effect on click */
@keyframes login-tap-ripple {
  to {
    transform: translate(-50%, -50%) scale(2.5);
    opacity: 0;
  }
}

.login-submit-button:active::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.4);
  border-radius: inherit;
  transform: translate(-50%, -50%) scale(0);
  animation: login-tap-ripple 0.5s ease-out;
  pointer-events: none;
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

@media (max-width: 768px) /* tablet */ {
  .login-container {
    min-height: 80vh;
    padding: var(--space-md);
  }

  .login-card {
    padding: var(--space-lg);
  }

  .login-card h1 {
    font-size: var(--text-3xl);
  }

  /* Slightly smaller ornate corners on mobile */
  .login-corner {
    width: 24px;
    height: 24px;
  }

  .login-corner-tl::before,
  .login-corner-tr::before,
  .login-corner-bl::before,
  .login-corner-br::before {
    width: 10px;
    height: 10px;
  }
}

@media (max-width: 480px) /* mobile */ {
  .login-card {
    padding: var(--space-md);
  }

  .login-card h1 {
    font-size: var(--text-2xl);
  }

  .login-subtitle {
    font-size: 0.8rem;
  }
}