/* ==========================================================================
   Base
   ========================================================================== */

:root {
  --color-bg: #f4f7f9;
  --color-surface: #ffffff;
  --color-surface-alt: #f8fafc;
  --color-border: #dbe3ea;
  --color-border-strong: #b8c7d3;
  --color-text: #12202b;
  --color-text-muted: #50616e;
  --color-primary: #125b9a;
  --color-primary-strong: #0b4578;
  --color-primary-soft: #e8f2fb;
  --color-success: #166534;
  --color-success-soft: #dcfce7;
  --color-warning: #92400e;
  --color-warning-soft: #ffedd5;
  --color-danger: #991b1b;
  --color-danger-soft: #fee2e2;
  --color-neutral-soft: #eef2f6;
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.10);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-7: 2rem;
  --spacing-8: 2.5rem;
  --max-width: 1240px;
  --selection-panel-height: 108px;
  --font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-family);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: linear-gradient(180deg, #f7fafc 0%, #eef4f8 100%);
}

img {
  max-width: 100%;
  display: block;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

.hidden {
  display: none !important;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.header {
  padding: var(--spacing-7) 0 var(--spacing-5);
  background:
    radial-gradient(circle at top left, rgba(18, 91, 154, 0.18), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f5f9fc 100%);
  border-bottom: 1px solid var(--color-border);
}

.header__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}

.header__eyebrow {
  margin: 0 0 var(--spacing-2);
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.86rem;
}

.header__title {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.1;
}

.header__subtitle {
  margin: var(--spacing-2) 0 0;
  color: var(--color-text-muted);
}

.main {
  padding: var(--spacing-6) 0 calc(var(--selection-panel-height) + 2rem);
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-6);
}

.panel__body {
  padding: var(--spacing-6);
}

.panel__title {
  margin: 0 0 var(--spacing-2);
  font-size: 1.3rem;
}

.panel__text {
  margin: 0;
  color: var(--color-text-muted);
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-5);
}

.info-grid {
  display: grid;
  gap: var(--spacing-4);
}

.info-card {
  padding: var(--spacing-4);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.info-card p {
  margin: var(--spacing-2) 0 0;
  color: var(--color-text-muted);
}

.access {
  display: grid;
  gap: var(--spacing-5);
}

.axis-filters {
  display: flex;
  gap: var(--spacing-3);
  overflow-x: auto;
  padding-bottom: var(--spacing-2);
  margin-bottom: var(--spacing-5);
}

.proposals-grid {
  display: grid;
  gap: var(--spacing-4);
}

.selection-panel {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 30;
  padding: var(--spacing-4) 1rem;
  background: linear-gradient(180deg, rgba(244, 247, 249, 0), rgba(244, 247, 249, 0.92) 28%, rgba(244, 247, 249, 1) 100%);
  backdrop-filter: blur(8px);
}

.selection-panel__inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-4);
  display: grid;
  gap: var(--spacing-4);
}

.selection-panel__title {
  margin: 0 0 var(--spacing-1);
  font-size: 1.1rem;
}

.selection-panel__summary {
  margin: 0;
  color: var(--color-text-muted);
}

.selection-list {
  display: grid;
  gap: var(--spacing-3);
  max-height: 180px;
  overflow-y: auto;
}

.selection-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-4);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
}

.selection-item__meta {
  min-width: 0;
}

.selection-item__axis,
.selection-item__code {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.selection-item__title {
  margin: var(--spacing-1) 0 0;
  font-weight: 600;
}

.selection-panel__footer {
  display: flex;
  justify-content: stretch;
}

.success-screen {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  background: rgba(10, 18, 25, 0.52);
  padding: 1rem;
}

.success-screen__card {
  width: min(100%, 520px);
  background: #ffffff;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-8);
  text-align: center;
}

.success-screen__eyebrow {
  margin: 0 0 var(--spacing-2);
  color: var(--color-success);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.success-screen__title {
  margin: 0 0 var(--spacing-3);
  font-size: 1.8rem;
}

.success-screen__text {
  margin: 0 0 var(--spacing-6);
  color: var(--color-text-muted);
}

.success-screen__protocol {
  display: inline-flex;
  flex-direction: column;
  gap: var(--spacing-1);
  padding: var(--spacing-4) var(--spacing-5);
  background: var(--color-success-soft);
  border-radius: var(--radius-md);
  color: var(--color-success);
}

/* ==========================================================================
   Components
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
}

.badge--neutral {
  background: var(--color-neutral-soft);
  color: var(--color-text);
}

.badge--impact-alto {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.badge--impact-medio {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.badge--impact-baixo {
  background: var(--color-neutral-soft);
  color: var(--color-text-muted);
}

.axis-filter {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.75rem 1rem;
  background: #fff;
  color: var(--color-text);
  white-space: nowrap;
  transition: 0.2s ease;
}

.axis-filter:hover,
.axis-filter:focus-visible {
  border-color: var(--color-primary);
  outline: none;
}

.axis-filter--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.status-area {
  margin-bottom: var(--spacing-5);
}

.status-box {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--spacing-4);
  background: var(--color-surface-alt);
}

.status-box--error {
  border-color: #fecaca;
  background: #fff7f7;
  color: var(--color-danger);
}

.status-box--loading {
  color: var(--color-text-muted);
}

.status-box--empty {
  color: var(--color-text-muted);
}

.proposal-card {
  display: grid;
  gap: var(--spacing-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.proposal-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.proposal-card--selected {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.proposal-card__top {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  align-items: center;
}

.proposal-card__code {
  font-weight: 700;
  color: var(--color-primary);
}

.proposal-card__axis {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.proposal-card__title {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.35;
}

.proposal-card__description {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.proposal-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  padding: 0;
  margin: 0;
  list-style: none;
}

.keyword-list__item {
  background: var(--color-neutral-soft);
  color: var(--color-text-muted);
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
}

.form-field {
  display: grid;
  gap: var(--spacing-2);
}

.form-field__label {
  font-weight: 600;
}

.form-field__input {
  width: 100%;
  min-height: 52px;
  border-radius: 14px;
  border: 1px solid var(--color-border-strong);
  padding: 0.9rem 1rem;
  background: #fff;
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field__input:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(18, 91, 154, 0.12);
  outline: none;
}

.form-field__help {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.button {
  min-height: 48px;
  border: none;
  border-radius: 14px;
  padding: 0.85rem 1.15rem;
  font-weight: 600;
  transition: 0.2s ease;
}

.button--primary {
  background: var(--color-primary);
  color: #fff;
}

.button--primary:hover:not(:disabled),
.button--primary:focus-visible:not(:disabled) {
  background: var(--color-primary-strong);
  outline: none;
}

.button--secondary {
  background: #ffffff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.button--secondary:hover:not(:disabled),
.button--secondary:focus-visible:not(:disabled) {
  border-color: var(--color-primary);
  outline: none;
}

.button--danger {
  background: transparent;
  color: var(--color-danger);
}

.button--full {
  width: 100%;
}

.alert {
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  border: 1px solid transparent;
}

.alert--warning {
  color: var(--color-warning);
  background: var(--color-warning-soft);
  border-color: #fed7aa;
}

.toast-root {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 70;
  display: grid;
  gap: 0.75rem;
  width: min(100% - 2rem, 420px);
}

.toast {
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background: white;
}

.toast--success {
  border-color: #86efac;
  background: #f0fdf4;
  color: var(--color-success);
}

.toast--error {
  border-color: #fca5a5;
  background: #fef2f2;
  color: var(--color-danger);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(10, 18, 25, 0.45);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal {
  width: min(100%, 640px);
  background: white;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.modal__header,
.modal__body,
.modal__footer {
  padding: var(--spacing-5);
}

.modal__header,
.modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
}

.modal__header {
  border-bottom: 1px solid var(--color-border);
}

.modal__footer {
  border-top: 1px solid var(--color-border);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.modal__title {
  margin: 0;
  font-size: 1.25rem;
}

.modal__text {
  margin-top: 0;
  color: var(--color-text-muted);
}

.modal__close {
  border: none;
  background: transparent;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--color-text-muted);
}

.modal-selection-list {
  display: grid;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

/* ==========================================================================
   States / Utilities
   ========================================================================== */

.empty-selection {
  padding: var(--spacing-4);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
  background: var(--color-surface-alt);
}

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

@media (min-width: 720px) {
  .header__content {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  .info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .access {
    grid-template-columns: 1.2fr 1fr;
    align-items: end;
  }

  .section-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .proposals-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: var(--spacing-6);
    align-items: start;
  }

  .main > .panel {
    margin-bottom: 0;
  }

  .main > .panel:first-child,
  .main > .panel:nth-child(2),
  .main > .panel:nth-child(3) {
    grid-column: 1;
  }

  .selection-panel {
    position: sticky;
    top: 1rem;
    inset: auto;
    background: transparent;
    padding: 0;
    backdrop-filter: none;
    align-self: start;
  }

  .selection-panel__inner {
    width: 100%;
  }

  .main {
    padding-bottom: var(--spacing-7);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}