@import url("https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&family=Gowun+Dodum:wght@400;700&display=swap");

:root {
  --font-body: "Gowun Dodum", "Noto Sans KR", sans-serif;
  --font-title: "Gowun Batang", "Noto Serif KR", serif;

  --ink: #10233f;
  --muted: #4f6078;
  --surface: rgba(255, 255, 255, 0.95);
  --surface-strong: #ffffff;
  --line: rgba(16, 35, 63, 0.14);
  --shadow: 0 24px 58px rgba(25, 48, 90, 0.14);

  --good: #12a66a;
  --good-soft: rgba(18, 166, 106, 0.14);
  --bad: #e3495c;
  --bad-soft: rgba(227, 73, 92, 0.13);

  --accent: var(--good);
  --accent-soft: var(--good-soft);
  --accent-shadow: rgba(18, 166, 106, 0.24);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  min-height: 100vh;
  padding: 40px 20px 84px;
  background:
    radial-gradient(circle at 10% 14%, rgba(105, 188, 255, 0.34), transparent 42%),
    radial-gradient(circle at 88% 10%, rgba(255, 136, 107, 0.3), transparent 40%),
    radial-gradient(circle at 24% 88%, rgba(111, 220, 170, 0.28), transparent 42%),
    linear-gradient(148deg, #f6fbff 0%, #fff9f2 50%, #f8f4ff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.24;
  z-index: 0;
}

body.mood-positive {
  --accent: var(--good);
  --accent-soft: var(--good-soft);
  --accent-shadow: rgba(18, 166, 106, 0.28);
}

body.mood-negative {
  --accent: var(--bad);
  --accent-soft: var(--bad-soft);
  --accent-shadow: rgba(227, 73, 92, 0.28);
}

a {
  color: inherit;
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.hero {
  display: grid;
  gap: 12px;
  padding: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.88rem;
  color: var(--muted);
  padding: 5px 8px;
  border-radius: 8px;
}

.nav-links a:hover {
  background: rgba(17, 24, 39, 0.05);
  color: var(--ink);
}

.badge {
  width: fit-content;
  padding: 6px 14px;
  border-radius: 999px;
  background: linear-gradient(130deg, rgba(18, 166, 106, 0.18), rgba(106, 188, 255, 0.2));
  color: #0b8e61;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 400;
  font-size: clamp(2.5rem, 4.3vw, 3.8rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.03rem;
}

.today {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-note {
  margin: 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(16, 35, 63, 0.04);
  border: 1px solid rgba(16, 35, 63, 0.1);
  color: var(--muted);
  font-size: 0.88rem;
}

.panel {
  background: var(--surface);
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  padding: 24px;
  animation: rise 0.45s ease both;
}

.panel h2 {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.65rem;
  letter-spacing: 0.02em;
}

.overview-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.overview-item {
  background: var(--surface-strong);
  border: 1px solid rgba(16, 35, 63, 0.1);
  border-radius: 14px;
  padding: 14px;
}

.overview-item h3 {
  margin: 0 0 8px;
  font-size: 0.98rem;
}

.overview-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

@keyframes rise {
  from {
    transform: translateY(16px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--surface-strong);
}

textarea {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--surface-strong);
  resize: vertical;
}

input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 28%, white);
  border-color: color-mix(in srgb, var(--accent) 45%, white);
}

textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 28%, white);
  border-color: color-mix(in srgb, var(--accent) 45%, white);
}

.actions {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.actions.single-action {
  grid-template-columns: 1fr;
}

button {
  width: 100%;
  border: none;
  border-radius: 14px;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 0.96rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

#calcBtn {
  color: #ffffff;
  background: linear-gradient(122deg, color-mix(in srgb, var(--accent) 90%, #0f3258), color-mix(in srgb, var(--accent) 74%, #76f2c3));
  box-shadow: 0 12px 26px var(--accent-shadow);
}

#calcBtn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.secondary {
  color: #1f2937;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 18px rgba(10, 18, 26, 0.08);
}

.secondary:hover {
  transform: translateY(-2px);
}

.helper {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.helper.status-success {
  color: var(--good);
}

.helper.status-error {
  color: var(--bad);
}

.result {
  border-top: 4px solid var(--accent);
}

.result.result-pop {
  animation: result-pop 0.36s ease;
}

@keyframes result-pop {
  0% {
    transform: scale(0.985);
    box-shadow: 0 0 0 rgba(8, 14, 24, 0);
  }
  58% {
    transform: scale(1.008);
    box-shadow: 0 30px 70px rgba(8, 14, 24, 0.19);
  }
  100% {
    transform: scale(1);
    box-shadow: var(--shadow);
  }
}

.result-head {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.result-label {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.result-amount {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(2.1rem, 3.3vw, 2.9rem);
  color: #0b8e61;
  letter-spacing: 0.02em;
}

.result-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-item {
  background: var(--surface-strong);
  border: 1px solid rgba(16, 35, 63, 0.1);
  border-radius: 14px;
  padding: 12px;
}

.result-item.wide {
  grid-column: 1 / -1;
}

.result-item.tone-positive {
  border-color: rgba(16, 131, 95, 0.24);
  background: linear-gradient(140deg, rgba(16, 131, 95, 0.11), rgba(255, 255, 255, 0.92));
}

.result-item.tone-negative {
  border-color: rgba(188, 43, 68, 0.24);
  background: linear-gradient(140deg, rgba(188, 43, 68, 0.11), rgba(255, 255, 255, 0.92));
}

.result-item.top-balance {
  min-height: 94px;
}

.result-title {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.result-value {
  font-weight: 600;
  line-height: 1.35;
}

.type-line {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.type-chip {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 86%, #0f172a), color-mix(in srgb, var(--accent) 66%, #7df2cb));
  box-shadow: 0 8px 18px var(--accent-shadow);
}

.color-line {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.share-wrap {
  display: grid;
  gap: 10px;
}

#downloadCardBtn {
  color: #ffffff;
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 90%, #11335d), color-mix(in srgb, var(--accent) 76%, #7cebc8));
  box-shadow: 0 12px 26px var(--accent-shadow);
}

#downloadCardBtn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.color-chip {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 1px solid rgba(17, 24, 39, 0.15);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.plain-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.plain-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.5;
}

.plain-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: #0b8e61;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--surface-strong);
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 14px;
  padding: 12px 14px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--muted);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.calendar-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 12px;
}

.calendar-card {
  background: var(--surface-strong);
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 14px;
  padding: 10px 10px 11px;
  display: grid;
  gap: 4px;
  animation: rise 0.35s ease both;
  animation-delay: var(--delay, 0ms);
}

.calendar-card.is-positive {
  border-color: rgba(16, 131, 95, 0.24);
  background: linear-gradient(150deg, rgba(16, 131, 95, 0.1), rgba(255, 255, 255, 0.95));
}

.calendar-card.is-negative {
  border-color: rgba(188, 43, 68, 0.22);
  background: linear-gradient(150deg, rgba(188, 43, 68, 0.09), rgba(255, 255, 255, 0.95));
}

.calendar-card.is-today {
  border-width: 2px;
  border-color: color-mix(in srgb, var(--accent) 70%, #1f2937);
}

.calendar-card.is-best {
  box-shadow: 0 16px 22px rgba(16, 131, 95, 0.2);
}

.calendar-day {
  font-size: 0.75rem;
  color: var(--muted);
}

.calendar-amount {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.calendar-prob {
  font-size: 0.82rem;
  color: var(--muted);
}

.calendar-tag {
  margin-top: 2px;
  width: fit-content;
  font-size: 0.72rem;
  border-radius: 999px;
  padding: 3px 8px;
  color: #ffffff;
  background: color-mix(in srgb, var(--accent) 84%, #1f2937);
}

.calendar-empty {
  grid-column: 1 / -1;
  background: rgba(17, 24, 39, 0.03);
  border: 1px dashed rgba(17, 24, 39, 0.16);
  border-radius: 14px;
  padding: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.policy-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.policy-card {
  display: grid;
  gap: 6px;
  text-decoration: none;
  background: var(--surface-strong);
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 14px;
  padding: 14px;
}

.policy-card-button {
  width: 100%;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.policy-card strong {
  font-size: 0.95rem;
}

.policy-card span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.policy-card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, rgba(17, 24, 39, 0.1));
}

.blog-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.blog-card {
  display: grid;
  gap: 8px;
  text-decoration: none;
  background: var(--surface-strong);
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 14px;
  padding: 14px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-card strong {
  font-size: 1rem;
  line-height: 1.35;
}

.blog-card span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.blog-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 45%, rgba(17, 24, 39, 0.1));
  box-shadow: 0 12px 26px rgba(16, 35, 63, 0.12);
}

.article-body h2 {
  margin-top: 18px;
}

.article-body p {
  color: var(--muted);
  line-height: 1.58;
}

body.modal-open {
  overflow: hidden;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 24, 0.55);
  backdrop-filter: blur(2px);
  animation: modal-fade 0.22s ease;
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(680px, 100%);
  max-height: 92vh;
  overflow: auto;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 28px 70px rgba(8, 14, 24, 0.26);
  padding: 22px;
  transform-origin: 50% 52%;
  animation: modal-pop 0.28s ease;
}

.modal-panel h2 {
  margin-top: 0;
}

.modal-close {
  width: auto;
  min-width: 88px;
  padding: 8px 12px;
  margin-left: auto;
  margin-bottom: 8px;
}

@keyframes modal-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modal-pop {
  0% {
    transform: translateY(12px) scale(0.975);
    opacity: 0;
  }
  100% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 6px 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--ink);
}

@media (max-width: 880px) {
  .overview-grid,
  .policy-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 700px) {
  body {
    padding: 28px 14px 64px;
  }

  .site-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .result-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .actions,
  .result-grid {
    grid-template-columns: 1fr;
  }

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

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}