@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #102B3A;
  --secondary: #174657;
  --accent: #35B99A;
  --accent-light: #E7F7F2;
  --background: #F4F7F8;
  --white: #FFFFFF;
  --text: #20343D;
  --muted: #788A92;
  --border: #E3EAED;
  --shadow: 0 8px 30px rgba(16, 43, 58, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--background);
  color: var(--text);
  min-height: 100vh;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
}

.topbar {
  width: 100%;
  min-height: 82px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 7%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #65E0C1;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 27px;
  font-weight: 800;
}

.brand h1 {
  color: var(--primary);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 1px;
}

.brand span {
  color: var(--accent);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.2px;
}

.user-area {
  display: flex;
  align-items: center;
  gap: 18px;
}

.status {
  color: #249A79;
  font-size: 12px;
  font-weight: 600;
}

.status::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #35B99A;
  margin-right: 7px;
}

.login-button {
  background: var(--primary);
  color: white;
  padding: 12px 22px;
  border-radius: 9px;
  font-weight: 600;
}

.login-button:hover {
  background: var(--secondary);
}

.main-content {
  max-width: 1050px;
  margin: 0 auto;
  padding: 65px 24px 30px;
}

.welcome {
  margin-bottom: 35px;
}

.eyebrow {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
}

.welcome h2 {
  color: var(--primary);
  font-size: clamp(28px, 5vw, 42px);
  margin: 13px 0;
  font-weight: 800;
}

.welcome p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 600px;
}

.upload-section {
  background: var(--white);
  border: 2px dashed #B7D9D1;
  border-radius: 18px;
  padding: 48px 20px;
  text-align: center;
  box-shadow: var(--shadow);
}

.upload-icon {
  width: 65px;
  height: 65px;
  border-radius: 18px;
  background: var(--accent-light);
  color: #249A79;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 35px;
  margin: 0 auto 20px;
}

.upload-section h3 {
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 10px;
}

.upload-section p {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}

.primary-button {
  background: var(--accent);
  color: white;
  padding: 15px 25px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  transition: 0.2s;
}

.primary-button:hover {
  background: #249A79;
  transform: translateY(-2px);
}

.file-name {
  color: var(--muted);
  font-size: 12px;
  margin-top: 17px;
  overflow-wrap: anywhere;
}

.result-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 25px;
  margin-top: 25px;
  box-shadow: var(--shadow);
}

.result-section h3 {
  color: var(--primary);
  font-size: 17px;
  margin-bottom: 8px;
}

.result-section > div:first-child p {
  color: var(--muted);
  font-size: 12px;
}

.empty-state {
  text-align: center;
  padding: 35px 10px;
  color: var(--muted);
}

.empty-state span {
  font-size: 35px;
  display: block;
  margin-bottom: 12px;
  color: #A8C9C0;
}

.empty-state p {
  font-size: 13px;
}

footer {
  text-align: center;
  color: #9AA9AE;
  font-size: 11px;
  padding: 45px 10px 15px;
}

@media (max-width: 600px) {
  .topbar {
    padding: 14px 16px;
  }

  .brand h1 {
    font-size: 17px;
  }

  .brand span {
    font-size: 7px;
  }

  .brand-icon {
    width: 42px;
    height: 42px;
  }

  .status {
    display: none;
  }

  .login-button {
    padding: 10px 14px;
    font-size: 12px;
  }

  .main-content {
    padding: 42px 16px 25px;
  }

  .upload-section {
    padding: 35px 15px;
  }

  .result-section {
    padding: 20px 16px;
  }
}