/* sendshow.io – Design System (based on onepager) */
:root {
  --black: #050608;
  --dark: #111318;
  --gray: #777d86;
  --soft-gray: #e8ebef;
  --white: #ffffff;
  --blue: #55c8ff;
  --blue-dark: #009ee3;
  --card: #171a20;
  --border: rgba(255,255,255,.12);
  --shadow: 0 30px 80px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Open Sans', Arial, sans-serif;
  color: var(--white);
  background: radial-gradient(circle at top right, rgba(85,200,255,.22), transparent 28%), var(--black);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* --- Nav / Header --- */
.nav {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -.04em;
  font-size: 1.35rem;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  display: grid;
  place-items: center;
  color: var(--black);
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  color: #cfd5dd;
  font-weight: 600;
  font-size: .95rem;
}

.nav-links a:hover {
  color: var(--white);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 800;
  font-size: .95rem;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: .2s ease;
  font-family: inherit;
}

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

.btn-primary {
  color: #061018;
  background: linear-gradient(135deg, var(--blue), #b5ecff);
  box-shadow: 0 18px 45px rgba(85,200,255,.22);
  border: none;
}

.btn-primary:hover {
  box-shadow: 0 22px 55px rgba(85,200,255,.32);
}

.btn-secondary {
  background: rgba(255,255,255,.06);
  color: var(--white);
}

.btn-secondary:hover {
  background: rgba(255,255,255,.12);
}

.btn-sm {
  padding: 10px 18px;
  font-size: .88rem;
}

.btn-logout {
  background: transparent;
  color: #89919d;
  border: 1px solid var(--border);
  padding: 10px 18px;
  font-size: .88rem;
}

.btn-logout:hover {
  color: var(--white);
  background: rgba(255,255,255,.06);
}

/* --- Main Content --- */
main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 40px 0 80px;
}

/* --- Cards --- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
}

/* --- Page Headings --- */
h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -.05em;
  margin: 0 0 24px;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.1;
  letter-spacing: -.04em;
  margin: 36px 0 18px;
}

p {
  color: #d7dce3;
  margin: 0 0 16px;
}

/* --- Forms --- */
.form-group {
  display: grid;
  gap: 18px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #cfd5dd;
  font-weight: 600;
  font-size: .92rem;
}

input, select, textarea {
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  color: var(--white);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color .2s;
}

input::placeholder {
  color: var(--gray);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: rgba(85,200,255,.05);
}

/* --- Drop Zone --- */
.drop-zone {
  border: 2px dashed rgba(85,200,255,.5);
  background: rgba(85,200,255,.06);
  border-radius: 22px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: .2s ease;
}

.drop-zone:hover, .drop-zone.dragover {
  background: rgba(85,200,255,.12);
  border-color: var(--blue);
}

.drop-zone-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  margin: 0 auto 12px;
  display: grid;
  place-items: center;
  background: var(--blue);
  color: #061018;
  font-size: 1.5rem;
  font-weight: 800;
}

.drop-zone strong {
  display: block;
  color: var(--white);
  margin-bottom: 4px;
}

.drop-zone span {
  color: #aeb6c2;
  font-size: .92rem;
}

.drop-zone input[type="file"] {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
}

/* --- Tables --- */
table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  padding: 14px 18px;
  color: var(--gray);
  font-weight: 600;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  color: #d7dce3;
}

tr:last-child td {
  border-bottom: none;
}

/* --- Lists --- */
ul.user-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 8px;
}

ul.user-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: #d7dce3;
}

ul.user-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--blue);
  flex-shrink: 0;
}

/* --- File Download List --- */
.file-list {
  display: grid;
  gap: 12px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 18px;
  transition: .2s ease;
}

.file-item:hover {
  background: rgba(85,200,255,.06);
  border-color: rgba(85,200,255,.3);
}

.file-name {
  color: var(--white);
  font-weight: 600;
}

/* --- Centered Auth Card (Login, Verify) --- */
.auth-wrapper {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 120px);
  padding: 40px 20px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 42px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.auth-card h1 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.auth-card p {
  text-align: center;
  font-size: .95rem;
  margin-bottom: 28px;
}

.auth-card .form-group {
  gap: 14px;
}

.auth-card .btn {
  width: 100%;
  margin-top: 8px;
}

/* --- Error Message --- */
.error {
  color: #ff6b6b;
  background: rgba(255,107,107,.1);
  border: 1px solid rgba(255,107,107,.3);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: .92rem;
  text-align: center;
}

/* --- Footer --- */
footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 54px;
  color: #89919d;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: .9rem;
}

/* --- Eyebrow --- */
.eyebrow {
  color: var(--blue);
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: 8px;
}

/* --- Grid Helpers --- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* --- Code Input (Verification) --- */
input.code-input {
  text-align: center;
  font-size: 1.8rem;
  letter-spacing: .35em;
  font-weight: 800;
  padding: 18px;
}

/* --- Detail Grid --- */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-label {
  color: var(--gray);
  font-weight: 600;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.detail-value {
  color: #d7dce3;
  font-size: 1rem;
  word-break: break-all;
}

/* --- Icon Buttons --- */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: #cfd5dd;
  font-size: 1rem;
  cursor: pointer;
  transition: .2s ease;
  text-decoration: none;
  padding: 0;
  font-family: inherit;
  line-height: 1;
}

.icon-btn:hover {
  background: rgba(85,200,255,.12);
  border-color: rgba(85,200,255,.3);
  color: var(--blue);
  transform: translateY(-1px);
}

.icon-btn-danger {
  background: rgba(255,107,107,.08);
  border-color: rgba(255,107,107,.2);
  color: #ff6b6b;
}

.icon-btn-danger:hover {
  background: rgba(255,107,107,.18);
  border-color: rgba(255,107,107,.4);
  color: #ff6b6b;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 28px; }
  main { padding: 24px 0 60px; }
}

@media (max-width: 480px) {
  .card { padding: 22px; border-radius: 20px; }
  .btn { width: 100%; }
}