/* ======================================= */
/* MORSE CODE CONVERTER - MODERN UNIFIED  */
/* ======================================= */

/* ===== COLOR DEFINITIONS ===== */
/* Dark mode is default, light mode overrides via :root.light-mode */

.morse-converter-card {
  /* Dark mode colors */
  --morse-bg-card: var(--secondary-bg);
  --morse-bg-input: var(--primary-bg);
  --morse-bg-form: var(--secondary-bg);
  --morse-bg-output: var(--primary-bg);
  --morse-border: var(--border-color);
  --morse-text: var(--text-primary);
  --morse-text-secondary: var(--text-secondary);
  --morse-button-bg: var(--link-color);
  --morse-button-text: var(--text-primary);
  --morse-button-border: var(--border-color);
  --morse-button-hover-border: var(--link-color);
  --morse-button-hover-shadow: rgba(88, 166, 255, 0.2);
  --morse-primary-btn-bg: var(--link-color);
  --morse-primary-btn-border: var(--link-color);
  --morse-primary-btn-shadow: rgba(88, 166, 255, 0.3);
  --morse-focus-border: var(--link-color);
  --morse-focus-shadow: rgba(88, 166, 255, 0.1);
}

/* Light mode color overrides */
:root.light-mode .morse-converter-card {
  --morse-bg-card: #ffffff;
  --morse-bg-input: #ffffff;
  --morse-bg-form: #f9fafb;
  --morse-bg-output: #ffffff;
  --morse-border: #d0d7de;
  --morse-text: #24292f;
  --morse-text-secondary: #57606a;
  --morse-button-bg: #ffffff;
  --morse-button-text: #24292f;
  --morse-button-border: #d0d7de;
  --morse-button-hover-border: #0969da;
  --morse-button-hover-shadow: rgba(9, 105, 218, 0.15);
  --morse-primary-btn-bg: #0969da;
  --morse-primary-btn-border: #0969da;
  --morse-primary-btn-shadow: rgba(9, 105, 218, 0.2);
  --morse-focus-border: #0969da;
  --morse-focus-shadow: rgba(9, 105, 218, 0.1);
}

/* ===== MAIN CARD ===== */
.morse-converter-card {
  max-width: 100%;
  margin: 0 auto;
  padding: 1.25rem;
  background: var(--morse-bg-card);
  border: 1px solid var(--morse-border);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  color: var(--morse-text);
  position: relative;
  overflow: hidden;
}

/* Gradient top border */
.morse-converter-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #9333ea, #3b82f6, #9333ea);
  background-size: 200% 100%;
  animation: morseGradientShift 3s ease infinite;
}

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

/* ===== HEADER ===== */
.morse-converter-card h1 {
  color: var(--morse-text);
  font-size: 1.6rem;
  margin-bottom: 1rem;
  text-align: center;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.morse-converter-card-subtitle {
  text-align: center;
  color: var(--morse-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  font-weight: 400;
}

/* ===== FEEDBACK ===== */
.morse-converter-card-feedback {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  display: none;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(-10px);
  color: white;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  margin-bottom: 1.5rem;
}

.morse-converter-card-feedback.visible {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.morse-converter-card-feedback.error {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

/* ===== LAYOUT ===== */
.morse-converter-card-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1rem;
}

@media (min-width: 992px) {
  .morse-converter-card-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.morse-converter-card-column {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ===== INPUT SECTION ===== */
.morse-converter-card-input-section {
  background: var(--morse-bg-form);
  border: 1px solid var(--morse-border);
  border-radius: 12px;
  padding: 1rem;
  transition: all 0.3s ease;
}

.morse-converter-card-input-section:hover {
  border-color: var(--morse-button-hover-border);
}

.morse-converter-card-label {
  display: block;
  color: var(--morse-text);
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.morse-converter-card-textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: var(--morse-bg-input);
  color: var(--morse-text);
  border: 2px solid var(--morse-border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: "Roboto Mono", "Courier New", monospace;
  resize: vertical;
  transition: all 0.2s ease;
  box-sizing: border-box;
  line-height: 1.6;
}

.morse-converter-card-textarea::placeholder {
  color: var(--morse-text-secondary);
  opacity: 0.6;
}

.morse-converter-card-textarea:focus {
  outline: none;
  border-color: var(--morse-focus-border);
  box-shadow: 0 0 0 3px var(--morse-focus-shadow);
}

.morse-converter-card-char-count {
  text-align: right;
  font-size: 0.8rem;
  color: var(--morse-text-secondary);
  margin-top: 0.4rem;
  font-weight: 500;
}

/* ===== OUTPUT SECTION ===== */
.morse-converter-card-output-section {
  background: var(--morse-bg-form);
  border: 1px solid var(--morse-border);
  border-radius: 12px;
  padding: 1rem;
  transition: all 0.3s ease;
}

.morse-converter-card-output-section:hover {
  border-color: var(--morse-button-hover-border);
}

.morse-converter-card-output-box {
  background: var(--morse-bg-output);
  border: 2px solid var(--morse-border);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.morse-converter-card-output-textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: transparent;
  color: var(--morse-text);
  border: none;
  font-size: 0.9rem;
  font-family: "Roboto Mono", "Courier New", monospace;
  resize: vertical;
  box-sizing: border-box;
  line-height: 1.6;
  font-weight: 500;
}

.morse-converter-card-output-textarea:focus {
  outline: none;
}

.morse-converter-card-output-textarea::placeholder {
  color: var(--morse-text-secondary);
  opacity: 0.5;
}

.morse-converter-card-output-count {
  text-align: right;
  font-size: 0.8rem;
  color: var(--morse-text-secondary);
  margin-top: 0.4rem;
  font-weight: 500;
}

/* ===== BUTTONS ===== */
.morse-converter-card-actions,
.morse-converter-card-extra-actions {
  display: flex;
  gap: 0.75rem;
}

.morse-converter-card-btn {
  flex: 1;
  padding: 0.875rem 1.5rem;
  border: 2px solid var(--morse-button-border);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.morse-converter-card-btn-icon {
  font-size: 1.1rem;
}

/* Convert button - blue */
.morse-converter-card-btn-primary {
  background: var(--morse-primary-btn-bg) !important;
  border-color: var(--morse-primary-btn-border) !important;
  color: white !important;
  box-shadow: 0 2px 8px var(--morse-primary-btn-shadow) !important;
}

.morse-converter-card-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--morse-primary-btn-shadow) !important;
  opacity: 0.9;
}

.morse-converter-card-btn-primary:active {
  transform: translateY(0);
}

/* Clear button - red */
.morse-converter-card-btn-secondary {
  background: #ef4444 !important;
  border-color: #ef4444 !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3) !important;
}

.morse-converter-card-btn-secondary:hover {
  background: #dc2626 !important;
  border-color: #dc2626 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4) !important;
}

.morse-converter-card-btn-secondary:active {
  transform: translateY(0);
}

/* Copy button - green */
.morse-converter-card-btn-copy {
  background: var(--button-primary-bg) !important;
  border-color: var(--button-primary-bg) !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(35, 134, 54, 0.3) !important;
}

.morse-converter-card-btn-copy:hover {
  background: var(--button-primary-hover) !important;
  border-color: var(--button-primary-hover) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(35, 134, 54, 0.4) !important;
}

.morse-converter-card-btn-copy:active {
  transform: translateY(0);
}

/* Play button - blue */
.morse-converter-card-btn-play {
  background: #3b82f6 !important;
  border-color: #3b82f6 !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3) !important;
}

.morse-converter-card-btn-play:hover {
  background: #2563eb !important;
  border-color: #2563eb !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4) !important;
}

.morse-converter-card-btn-play:active {
  transform: translateY(0);
}

/* ===== INFO SECTION ===== */
.morse-converter-card-info {
  background: var(--morse-bg-form);
  border: 1px solid var(--morse-border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.morse-converter-card-info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--morse-text-secondary);
  font-size: 0.875rem;
}

.morse-converter-card-info-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.morse-converter-card-info-text {
  line-height: 1.4;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
  .morse-converter-card {
    padding: 1rem;
  }

  .morse-converter-card h1 {
    font-size: 1.5rem;
  }

  .morse-converter-card-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 768px) {
  .morse-converter-card-actions,
  .morse-converter-card-extra-actions {
    flex-direction: column;
  }

  .morse-converter-card-btn {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .morse-converter-card {
    padding: 1rem;
    border-radius: 12px;
  }

  .morse-converter-card h1 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
  }

  .morse-converter-card-input-section,
  .morse-converter-card-output-section,
  .morse-converter-card-info {
    padding: 1rem;
  }

  .morse-converter-card-textarea,
  .morse-converter-card-output-textarea {
    padding: 0.6rem 0.8rem;
    font-size: 0.9rem;
  }
}