:root {
  --navy-blue: #0a2342;
  --gold: #d4af37;
  --light-gold: #f1e5ac;
  --cream: #f9f7f1;
  --dark-blue: #051a38;
  --light-blue: #1c3d6b;
  --success-green: #28a745;
  --error-red: #dc3545;
  --teacher-blue: #2c5f9b;
  --teacher-light: #4a7fc1;
  --student-blue: #3a6ea5;
  --student-light: #6a9bd4;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: linear-gradient(
    135deg,
    var(--student-blue) 0%,
    var(--student-light) 100%
  );
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-x: hidden;
  transition: all 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: inherit;
  z-index: -1;
  transition: all 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body.teacher-mode {
  background: linear-gradient(
    135deg,
    var(--teacher-blue) 0%,
    var(--teacher-light) 100%
  );
}

body.captcha-active .elegant-container {
  filter: blur(8px);
  pointer-events: none;
}

body.offline-mode {
  filter: grayscale(0.8) brightness(0.9);
}

/* Elegant Container */
.elegant-container {
  display: flex;
  width: 100%;
  max-width: 1000px;
  min-height: 550px;
  background: var(--cream);
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  position: relative;
  transition: all 0.5s ease;
}

.elegant-container:hover {
  transform: translateY(-5px);
}

.offline-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 10;
  display: none;
  border-radius: 20px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: white;
  text-align: center;
  padding: 20px;
}

.offline-overlay i {
  font-size: 3rem;
  margin-bottom: 15px;
  color: var(--light-gold);
}

.offline-overlay h4 {
  margin-bottom: 10px;
  color: var(--light-gold);
}

/* Left Panel - Branding */
.branding-panel {
  flex: 1;
  background: linear-gradient(
    135deg,
    var(--student-blue) 0%,
    var(--student-light) 100%
  );
  color: white;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: all 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body.teacher-mode .branding-panel {
  background: linear-gradient(
    135deg,
    var(--teacher-blue) 0%,
    var(--teacher-light) 100%
  );
}

.branding-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(212,175,55,0.1)"/></svg>');
  background-size: cover;
}

.branding-header {
  position: relative;
  z-index: 2;
}

.branding-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--gold);
}

.branding-header p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 30px;
}

.academic-icons {
  display: flex;
  justify-content: space-around;
  margin-top: 30px;
}

.academic-icon {
  text-align: center;
  color: var(--light-gold);
}

.academic-icon i {
  font-size: 2rem;
  margin-bottom: 10px;
}

.branding-footer {
  position: relative;
  z-index: 2;
  margin-top: auto;
}

.admin-contact {
  background: rgba(255, 255, 255, 0.1);
  padding: 15px;
  border-radius: 10px;
  font-size: 0.9rem;
  backdrop-filter: blur(5px);
}

/* Right Panel - Login Form */
.login-panel {
  flex: 1;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.login-panel.offline {
  pointer-events: none;
  opacity: 0.6;
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.login-header h2 {
  color: var(--navy-blue);
  font-weight: 600;
  margin-bottom: 5px;
}

.login-header p {
  color: var(--light-blue);
  font-size: 0.95rem;
}

/* User Type Selector */
.user-type-selector {
  display: flex;
  margin-bottom: 25px;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--gold);
  background: white;
}

.user-type-btn {
  flex: 1;
  padding: 12px;
  text-align: center;
  background: white;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
  color: var(--navy-blue);
}

.user-type-btn.active {
  background: var(--navy-blue);
  color: var(--gold);
}

body.teacher-mode .user-type-btn.active {
  background: var(--teacher-blue);
}

.user-type-btn:first-child {
  border-right: 1px solid var(--gold);
}

/* Form Styles */
.form-control {
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  padding: 12px 15px;
  font-size: 1rem;
  transition: all 0.3s;
}

.form-control:disabled {
  background-color: #f8f9fa;
  opacity: 0.7;
  cursor: not-allowed;
}

.form-control:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.15);
}

.input-group-text {
  background-color: var(--light-blue);
  border-color: var(--navy-blue);
  color: white;
  min-width: 50px;
  justify-content: center;
  border-radius: 10px 0 0 10px !important;
}

body.teacher-mode .input-group-text {
  background-color: var(--teacher-light);
}

.input-group .form-control {
  border-radius: 0 10px 10px 0 !important;
}

.form-label {
  font-weight: 600;
  color: var(--navy-blue);
  margin-bottom: 8px;
}

.input-icon {
  position: relative;
}

.password-toggle {
  cursor: pointer;
  position: absolute;
  right: 15px;
  top: 10px;
  color: var(--navy-blue);
  z-index: 5;
  background: white;
  padding: 5px;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.password-toggle:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.password-toggle:hover:not(:disabled) {
  background: var(--light-gold);
  color: var(--navy-blue);
}

.validation-icon {
  position: absolute;
  right: 50px;
  top: 42px;
  display: none;
  z-index: 4;
}

.valid-input {
  border-color: var(--success-green) !important;
  padding-right: 65px !important;
}

.invalid-input {
  border-color: var(--error-red) !important;
  padding-right: 65px !important;
}

.valid-icon {
  color: var(--success-green);
  display: block;
}

.invalid-icon {
  color: var(--error-red);
  display: block;
}

.capslock-warning {
  display: none;
  color: var(--error-red);
  font-size: 0.875em;
  margin-top: 5px;
  animation: fadeIn 0.5s ease;
}

/* Elegant CAPTCHA Container */
.captcha-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.captcha-container {
  background: white;
  border-radius: 20px;
  padding: 30px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: modalSlideIn 0.5s ease;
  z-index: 1001;
}

.captcha-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  color: var(--navy-blue);
}

.captcha-header i {
  font-size: 1.5rem;
  margin-right: 10px;
  color: var(--gold);
}

.captcha-header h6 {
  margin: 0;
  font-weight: 600;
  font-size: 1.2rem;
}

.captcha-info {
  font-size: 0.9rem;
  color: #6c757d;
  margin-bottom: 20px;
  text-align: center;
}

.g-recaptcha {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.captcha-error {
  color: var(--error-red);
  font-size: 0.875em;
  margin-top: 8px;
  display: none;
  text-align: center;
  font-weight: 500;
  background: rgba(220, 53, 69, 0.1);
  padding: 8px 12px;
  border-radius: 8px;
  border-left: 4px solid var(--error-red);
}

.captcha-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

/* Button Styles */
.btn-smati {
  background: linear-gradient(
    135deg,
    var(--navy-blue) 0%,
    var(--dark-blue) 100%
  );
  color: var(--gold);
  border: 2px solid var(--gold);
  padding: 14px;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.3s;
  font-size: 1.1rem;
}

.btn-smati:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

body.teacher-mode .btn-smati {
  background: linear-gradient(
    135deg,
    var(--teacher-blue) 0%,
    var(--teacher-light) 100%
  );
}

.btn-smati:hover:not(:disabled) {
  background: linear-gradient(
    135deg,
    var(--dark-blue) 0%,
    var(--navy-blue) 100%
  );
  color: var(--light-gold);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

body.teacher-mode .btn-smati:hover:not(:disabled) {
  background: linear-gradient(
    135deg,
    var(--teacher-light) 0%,
    var(--teacher-blue) 100%
  );
}

.btn-captcha {
  background: linear-gradient(
    135deg,
    var(--navy-blue) 0%,
    var(--dark-blue) 100%
  );
  color: var(--gold);
  border: 2px solid var(--gold);
  padding: 10px 20px;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.3s;
}

.btn-captcha-cancel {
  background: transparent;
  color: var(--navy-blue);
  border: 2px solid var(--navy-blue);
  padding: 10px 20px;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.3s;
}

.btn-captcha-cancel:hover {
  background: var(--navy-blue);
  color: white;
}

/* Remember Me */
.remember-me-container {
  margin-bottom: 20px;
}

.remember-me-label {
  cursor: pointer;
  display: flex;
  align-items: center;
  font-weight: 500;
  color: var(--navy-blue);
}

.remember-me-label.disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.custom-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--navy-blue);
  border-radius: 4px;
  margin-right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  position: relative;
}

.custom-checkbox.disabled {
  border-color: #6c757d;
  cursor: not-allowed;
}

.custom-checkbox::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 6px;
  border: 2px solid var(--gold);
  border-top: none;
  border-right: none;
  opacity: 0;
  transform: rotate(-45deg);
  transition: all 0.3s ease;
}

#rememberMe:checked ~ .remember-me-label .custom-checkbox {
  background-color: var(--navy-blue);
}

#rememberMe:checked ~ .remember-me-label .custom-checkbox::after {
  opacity: 1;
}

#rememberMe {
  position: absolute;
  opacity: 0;
}

#rememberMe:disabled {
  cursor: not-allowed;
}

.remember-me-info {
  font-size: 0.8rem;
  color: var(--light-blue);
  margin-top: 5px;
  margin-left: 30px;
}

/* Additional Elements */
.forgot-password {
  text-align: center;
  margin-top: 15px;
}

.forgot-password a {
  color: var(--navy-blue);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.forgot-password a.disabled {
  pointer-events: none;
  opacity: 0.6;
  color: #6c757d;
}

.forgot-password a:hover:not(.disabled) {
  color: var(--light-blue);
  text-decoration: underline;
}

.cooldown-timer {
  color: var(--error-red);
  font-weight: bold;
  text-align: center;
  margin-top: 15px;
  display: none;
}

/* Redesigned Internet Status Notification */
.connection-status {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1100;
  display: none;
  animation: slideInRight 0.5s ease;
}

.status-card {
  background: white;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  border-left: 5px solid;
  min-width: 280px;
  transform: translateX(0);
  transition: all 0.3s ease;
}

.status-card.online {
  border-left-color: var(--success-green);
}

.status-card.offline {
  border-left-color: var(--error-red);
}

.status-header {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.status-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  font-size: 1.5rem;
}

.status-icon.online {
  background: linear-gradient(135deg, var(--success-green), #20c997);
  color: white;
}

.status-icon.offline {
  background: linear-gradient(135deg, var(--error-red), #c82333);
  color: white;
}

.status-title {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--navy-blue);
  margin: 0;
}

.status-message {
  color: #6c757d;
  font-size: 0.9rem;
  margin-bottom: 15px;
  line-height: 1.4;
}

.status-progress {
  height: 4px;
  background: #e9ecef;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 10px;
}

.status-progress-bar {
  height: 100%;
  border-radius: 2px;
  transition: width 0.1s linear;
}

.status-progress-bar.online {
  background: linear-gradient(90deg, var(--success-green), #20c997);
}

.status-progress-bar.offline {
  background: linear-gradient(90deg, var(--error-red), #c82333);
}

.status-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  color: #6c757d;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.7;
  transition: all 0.3s;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.05);
  color: var(--navy-blue);
}

/* Elegant Account Recovery Modal */
.recovery-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.recovery-content {
  background: white;
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  animation: modalFadeIn 0.5s ease;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.recovery-header {
  background: linear-gradient(
    135deg,
    var(--navy-blue) 0%,
    var(--dark-blue) 100%
  );
  color: white;
  padding: 20px;
  text-align: center;
  position: relative;
}

body.teacher-mode .recovery-header {
  background: linear-gradient(
    135deg,
    var(--teacher-blue) 0%,
    var(--teacher-light) 100%
  );
}

.recovery-header h3 {
  margin: 0;
  font-weight: 600;
}

.recovery-close {
  position: absolute;
  top: 15px;
  right: 20px;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  transition: transform 0.3s;
}

.recovery-close:hover {
  transform: scale(1.2);
}

.recovery-body {
  padding: 30px;
}

.recovery-option {
  display: flex;
  align-items: center;
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 15px;
  background: rgba(212, 175, 55, 0.1);
  transition: all 0.3s;
  cursor: pointer;
}

.recovery-option:hover {
  background: rgba(212, 175, 55, 0.2);
  transform: translateY(-2px);
}

.recovery-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--navy-blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  font-size: 1.5rem;
}

body.teacher-mode .recovery-icon {
  background: var(--teacher-blue);
}

.recovery-details h5 {
  margin: 0 0 5px 0;
  color: var(--navy-blue);
  font-weight: 600;
}

.recovery-details p {
  margin: 0;
  color: var(--light-blue);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-5px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(5px);
  }
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -40%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translate(-50%, -40%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100px);
  }
}

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

.shake {
  animation: shake 0.5s ease;
}

.cooldown-active {
  pointer-events: none;
  opacity: 0.7;
}

/* Background Animation */
.animated-background {
  animation: backgroundShift 15s ease infinite;
  background-size: 200% 200%;
}

/* Responsive Design */
@media (max-width: 900px) {
  .elegant-container {
    flex-direction: column;
    max-width: 500px;
  }

  .branding-panel,
  .login-panel {
    flex: none;
  }

  .branding-panel {
    padding: 30px 20px;
  }

  .login-panel {
    padding: 30px 20px;
  }

  .connection-status {
    right: 10px;
    left: 10px;
  }

  .status-card {
    min-width: auto;
    width: 100%;
  }
}

.captcha-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.captcha-container {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  max-width: 400px;
  width: 90%;
}

.captcha-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  color: #0d6efd;
}

.captcha-header h6 {
  margin: 0;
  font-weight: 600;
}

.captcha-info {
  margin-bottom: 1.5rem;
  color: #666;
  font-size: 0.9rem;
}

.captcha-error {
  color: #dc3545;
  font-size: 0.9rem;
  margin-top: 1rem;
  display: none;
}

.captcha-actions {
  display: flex;
  gap: 10px;
  margin-top: 1.5rem;
  justify-content: flex-end;
}

.btn-captcha-cancel {
  background: #6c757d;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
}

.btn-captcha {
  background: #0d6efd;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
}