/* Component Styles for SN Batteries */

/* 1. BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: var(--transition-all);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  border: 2px solid transparent;
}

/* Button Sizes */
.btn-sm {
  padding: 10px 18px;
  font-size: var(--text-body-sm);
  border-radius: var(--radius-md);
}

.btn-md {
  padding: 14px 26px;
  font-size: var(--text-body);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--text-body);
}

.btn-xl {
  padding: 18px 40px;
  font-size: var(--text-body-lg);
}

/* Button Variants */
.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-on-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-accent);
  transform: translateY(-2px);
}

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

.btn-primary-dark {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-primary-dark:hover {
  background-color: var(--color-primary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-secondary:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
}

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

.btn-ghost {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

.btn-ghost:hover {
  background-color: var(--color-surface-raised);
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

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

.btn-energy {
  background-color: var(--color-energy);
  color: var(--color-on-accent);
}

.btn-energy:hover {
  background-color: #d94e06;
  transform: translateY(-2px);
  box-shadow: var(--shadow-energy);
}

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

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
}

.btn-whatsapp:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.25);
}

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

/* Button utility classes */
.btn-full {
  display: flex;
  width: 100%;
}

.btn i, .btn svg {
  flex-shrink: 0;
  width: 1.25em;
  height: 1.25em;
}


/* 2. CARDS */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-footer {
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-raised);
}

/* Card variations */
.card-glass {
  background-color: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
}

.card-dark {
  background-color: var(--color-primary-700);
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--color-on-primary);
}

.card-dark:hover {
  border-color: var(--color-accent);
}


/* 3. FORMS */
.form-group {
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-dark .form-label {
  color: var(--color-on-primary);
}

.input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-input);
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  outline: none;
}

.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.12);
}

.input::placeholder {
  color: var(--color-text-muted);
}

select.input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 40px;
}

.input-error {
  border-color: var(--color-destructive);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.10);
}

.form-error-msg {
  font-size: var(--text-caption);
  color: var(--color-destructive);
  font-weight: 500;
}


/* 4. BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-badge);
  width: fit-content;
}

.badge-primary {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.badge-energy {
  background-color: var(--color-energy-light);
  color: var(--color-energy);
}

.badge-success {
  background-color: #DCFCE7;
  color: var(--color-success);
}


/* 5. RATINGS */
.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.rating-star {
  color: var(--color-gold);
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.rating-text {
  font-size: var(--text-body-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-left: var(--space-1);
}


/* 6. TIMELINE & PROCESS CARD */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  position: relative;
}

@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

.process-step {
  text-align: center;
  position: relative;
  padding: var(--space-6);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
}

.process-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent);
  color: var(--color-on-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-h3);
  margin: 0 auto var(--space-4);
}

.process-step h3 {
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: var(--text-body-sm);
}