/* ========= VARIÁVEIS GLOBAIS ========= */
:root {
  --primary: #1e90ff;
  --primary-dark: #1565c0;
  --primary-light: #42a5f5;
  --accent: #00bcd4;
  --success: #4caf50;
  --warning: #ff9800;
  --danger: #f44336;
  --info: #2196f3;

  /* Backgrounds */
  --bg-primary: #0a0e1a;
  --bg-secondary: #1a1f2e;
  --bg-tertiary: #252b3d;
  --bg-card: #2d3548;
  --bg-surface: #1e2332;

  /* Borders */
  --border-primary: #3d4a5c;
  --border-secondary: #2a3441;

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #b8c5d1;
  --text-muted: #8a9ba8;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.25);

  /* Legacy compatibility */
  --primary-hover: #187de4;
  --success-dark: #388e3c;
  --success-light: rgba(76, 175, 80, 0.2);
  --info-light: rgba(33, 150, 243, 0.2);
  --warning-dark: #f57c00;
  --danger-dark: #d32f2f;
  --dark: var(--bg-tertiary);
  --darker: var(--bg-primary);
  --card-border: var(--border-primary);
  --input-bg: var(--bg-card);
  --input-border: var(--border-secondary);
  --input-focus: var(--primary);
}

/* ========= GLOBAL STYLES ========= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ========= LOGIN PAGE LAYOUT ========= */
.login-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  position: relative;
  padding: 2rem 1rem;
}

/* Background shapes */
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  z-index: -1;
  opacity: 0.3;
}

.shape-1 {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  width: 300px;
  height: 300px;
  top: -100px;
  left: -100px;
  animation: float 8s ease-in-out infinite;
}

.shape-2 {
  background: linear-gradient(135deg, var(--accent), var(--primary));
  width: 200px;
  height: 200px;
  bottom: -50px;
  right: -50px;
  animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  width: 150px;
  height: 150px;
  bottom: 20%;
  left: 20%;
  animation: pulse 12s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-20px) translateX(10px);
  }
  100% {
    transform: translateY(0) translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.15;
  }
  100% {
    transform: scale(1);
    opacity: 0.3;
  }
}

.login-container {
  width: 100%;
  max-width: 450px;
  z-index: 1;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.login-container.fade-out {
  opacity: 0;
  transform: translateY(-20px);
}

/* ========= CARD STYLES ========= */
.login-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.login-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(30, 144, 255, 0.3);
}

.login-header {
  padding: 2.5rem 2rem 1.5rem;
  text-align: center;
  position: relative;
  background: linear-gradient(135deg, rgba(30, 144, 255, 0.1), rgba(0, 188, 212, 0.05));
}

/* Logo container */
.logo-container {
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.logo {
  width: 100px;
  height: 100px;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 20px rgba(30, 144, 255, 0.4));
  transition: all 0.3s ease;
}

.logo:hover {
  filter: drop-shadow(0 0 30px rgba(30, 144, 255, 0.6));
  transform: scale(1.05);
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ========= FORM STYLES ========= */
.login-form {
  padding: 1.5rem 2rem 2rem;
  background: var(--bg-primary);
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

label svg {
  margin-right: 0.5rem;
  color: var(--primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: 2px solid var(--border-secondary);
  border-radius: 12px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.form-control:focus {
  border-color: var(--primary);
  outline: 0;
  box-shadow: 0 0 0 4px rgba(30, 144, 255, 0.1);
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

/* Password input */
.password-input {
  position: relative;
}

.toggle-password {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border-radius: 6px;
}

.toggle-password:hover {
  color: var(--primary);
  background: rgba(30, 144, 255, 0.1);
}

/* Checkbox */
.form-check {
  margin-bottom: 1.5rem;
}

.form-check-input {
  width: 1.1em;
  height: 1.1em;
  margin-top: 0.2em;
  background-color: var(--bg-card);
  border: 2px solid var(--border-secondary);
  border-radius: 4px;
  transition: all 0.3s ease;
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.form-check-label {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Password Strength Meter */
.password-strength {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
}

.password-strength-meter {
  flex-grow: 1;
  height: 6px;
  border-radius: 3px;
  background-color: var(--border-secondary);
  appearance: none;
}

.password-strength-meter::-webkit-meter-bar {
  background-color: var(--border-secondary);
  border-radius: 3px;
}

.password-strength-meter::-webkit-meter-optimum-value,
.password-strength-meter::-webkit-meter-suboptimum-value,
.password-strength-meter::-webkit-meter-even-less-good-value {
  border-radius: 3px;
}

.password-strength-meter.weak::-webkit-meter-optimum-value,
.password-strength-meter.weak::-webkit-meter-suboptimum-value,
.password-strength-meter.weak::-webkit-meter-even-less-good-value {
  background: linear-gradient(135deg, var(--danger), #d32f2f);
}

.password-strength-meter.medium::-webkit-meter-optimum-value,
.password-strength-meter.medium::-webkit-meter-suboptimum-value,
.password-strength-meter.medium::-webkit-meter-even-less-good-value {
  background: linear-gradient(135deg, var(--warning), #f57c00);
}

.password-strength-meter.strong::-webkit-meter-optimum-value,
.password-strength-meter.strong::-webkit-meter-suboptimum-value,
.password-strength-meter.strong::-webkit-meter-even-less-good-value {
  background: linear-gradient(135deg, var(--success), #388e3c);
}

.password-strength-text {
  margin-left: 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Form text */
.form-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Terms link */
.terms-link {
  text-decoration: underline;
  color: var(--primary);
  transition: color 0.3s ease;
}

.terms-link:hover {
  color: var(--accent);
}

/* Invalid feedback */
.invalid-feedback {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--danger);
  font-weight: 500;
}

/* Info box */
.info-box {
  display: flex;
  align-items: flex-start;
  padding: 1rem;
  background: rgba(30, 144, 255, 0.1);
  border: 1px solid rgba(30, 144, 255, 0.2);
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.info-box svg {
  flex-shrink: 0;
  margin-right: 0.75rem;
  margin-top: 0.25rem;
  color: var(--primary);
}

.info-box p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ========= BUTTON STYLES ========= */
.login-btn {
  display: block;
  width: 100%;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: all 0.6s ease;
}

.login-btn:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.login-btn:hover::before {
  left: 100%;
}

.login-btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.login-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Outline button */
.btn-outline-primary {
  color: var(--primary);
  border: 2px solid var(--primary);
  background-color: transparent;
  transition: all 0.3s ease;
  border-radius: 12px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-outline-primary:hover {
  color: #fff;
  background-color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========= ALERT STYLES ========= */
.alert {
  padding: 0.75rem 1rem;
  margin-top: 1.5rem;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
}

.alert-success {
  color: #fff;
  background: rgba(76, 175, 80, 0.2);
  border: 1px solid rgba(76, 175, 80, 0.4);
}

.alert-danger {
  color: #fff;
  background: rgba(244, 67, 54, 0.2);
  border: 1px solid rgba(244, 67, 54, 0.4);
}

/* ========= FOOTER STYLES ========= */
.login-footer {
  padding: 1.5rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border-primary);
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
}

.login-footer p {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.login-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.login-footer a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.forgot-password {
  font-size: 0.85rem;
}

.login-footer-main {
  margin-top: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ========= SUCCESS ANIMATION ========= */
.success-animation {
  display: flex;
  justify-content: center;
  margin: 2rem 0;
}

.checkmark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: block;
  stroke-width: 2;
  stroke: var(--success);
  stroke-miterlimit: 10;
  box-shadow: 0 0 0 rgba(76, 175, 80, 0.4);
  animation: fill .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s both, pulse 2s infinite;
}

.checkmark-circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 2;
  stroke-miterlimit: 10;
  stroke: var(--success);
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes scale {
  0%, 100% {
    transform: none;
  }
  50% {
    transform: scale3d(1.1, 1.1, 1);
  }
}

@keyframes fill {
  100% {
    box-shadow: inset 0px 0px 0px 30px rgba(76, 175, 80, 0.1);
  }
}

.success-title {
  color: var(--success);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.success-message {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

/* ========= ANIMATIONS ========= */
/* Animation for error */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
  }
}

.shake {
  animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* ========= RESPONSIVE STYLES ========= */
@media (max-width: 576px) {
  .login-header {
    padding: 2rem 1.5rem 1rem;
  }

  .login-form {
    padding: 1rem 1.5rem 1.5rem;
  }

  .login-footer {
    padding: 1.25rem 1.5rem;
  }

  .logo {
    width: 70px;
    height: 70px;
  }

  h1 {
    font-size: 1.35rem;
  }
}