/* ── Reset & Base ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f8fafc; --card: #ffffff; --card-hover: #f1f5f9;
  --accent: #4f46e5; --accent-hover: #6366f1; --accent-dim: #3730a3;
  --text: #1e293b; --text-dim: #64748b; --text-muted: #94a3b8;
  --border: #e2e8f0; --danger: #ef4444; --success: #16a34a;
  --warning: #f59e0b; --radius: 10px;
}
html { font-size: 15px; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── Sidebar ──────────────────────────────────────── */
.sidebar {
  position: fixed; top: 0; left: 0; width: 220px; height: 100vh;
  background: #ffffff; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 100;
  box-shadow: 1px 0 3px rgba(0,0,0,.04);
}
.sidebar-logo {
  padding: 1.2rem 1rem; font-size: 1.1rem; font-weight: 700; color: var(--accent);
  border-bottom: 1px solid var(--border);
}
.sidebar-nav { flex: 1; padding: .5rem 0; overflow-y: auto; }
.sidebar-nav a {
  display: flex; align-items: center; gap: .6rem; padding: .6rem 1rem;
  color: var(--text-dim); font-size: .88rem; text-decoration: none; transition: all .15s;
  border-left: 3px solid transparent; margin: 1px 0;
}
.sidebar-nav a:hover { color: var(--text); background: var(--bg); }
.sidebar-nav a.active {
  color: var(--accent); background: rgba(79,70,229,.06);
  border-left-color: var(--accent); font-weight: 600;
}
.nav-icon { font-size: 1rem; width: 1.4rem; text-align: center; }
.sidebar-footer {
  padding: .75rem 1rem; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.sidebar-user { font-size: .8rem; color: var(--text-dim); }
.sidebar .btn-logout {
  background: none; border: 1px solid var(--border); color: var(--text-dim);
  padding: .25rem .6rem; border-radius: 6px; cursor: pointer; font-size: .75rem;
}
.sidebar .btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ── Layout ───────────────────────────────────────── */
body.has-sidebar { padding-left: 220px; }
.container { max-width: 1000px; margin: 0 auto; padding: 1.5rem; }
.page-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.5rem; }

/* ── Cards ────────────────────────────────────────── */
.card {
  background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; margin-bottom: 1rem; transition: border-color .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.card:hover { border-color: rgba(79,70,229,.25); }
.card-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 1rem; color: var(--text); }

/* ── Form ─────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: .85rem; color: var(--text-dim); margin-bottom: .4rem; font-weight: 500; }
input[type="text"], input[type="password"], input[type="datetime-local"], textarea, select {
  width: 100%; padding: .65rem .9rem; background: #ffffff; border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: .95rem; outline: none; transition: border-color .2s;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 100px; font-family: inherit; }

/* ── Buttons ──────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem; padding: .6rem 1.2rem;
  border: none; border-radius: 8px; font-size: .9rem; font-weight: 600;
  cursor: pointer; transition: all .2s; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--card-hover); border-color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-success { background: var(--success); color: #fff; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-group { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ── Checkboxes (SNS) ────────────────────────────── */
.platforms-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .5rem;
}
.platform-check {
  display: flex; align-items: center; gap: .5rem; padding: .5rem .75rem;
  background: #ffffff; border: 1px solid var(--border); border-radius: 8px;
  cursor: pointer; transition: all .2s; font-size: .85rem;
}
.platform-check:hover { border-color: var(--accent); }
.platform-check input:checked + span { color: var(--accent); font-weight: 600; }
.platform-check input { accent-color: var(--accent); }

/* ── Dropzone ─────────────────────────────────────── */
.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius); padding: 2rem;
  text-align: center; color: var(--text-muted); cursor: pointer; transition: all .2s;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); color: var(--accent); background: rgba(79,70,229,.03); }
.dropzone .icon { font-size: 2rem; margin-bottom: .5rem; }
.dropzone .file-info { margin-top: .75rem; color: var(--success); font-size: .85rem; }

/* ── Table ────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--border); font-size: .85rem; }
th { color: var(--text-dim); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; }
td { color: var(--text); }

/* ── Badges ───────────────────────────────────────── */
.badge {
  display: inline-block; padding: .15rem .5rem; border-radius: 50px;
  font-size: .75rem; font-weight: 600;
}
.badge-success { background: rgba(34,197,94,.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,.15); color: var(--danger); }
.badge-info { background: rgba(99,102,241,.15); color: var(--accent); }
.badge-sns {
  display: inline-block; padding: .15rem .45rem; border-radius: 4px;
  font-size: .7rem; font-weight: 600; background: rgba(99,102,241,.12); color: var(--accent-hover); margin: .1rem;
}

/* ── Toast ────────────────────────────────────────── */
.toast-container { position: fixed; top: 1rem; right: 1rem; z-index: 9999; display: flex; flex-direction: column; gap: .5rem; }
.toast {
  padding: .75rem 1.2rem; border-radius: 8px; font-size: .85rem; font-weight: 500;
  animation: slideIn .3s ease; min-width: 250px;
}
.toast-success { background: #ffffff; color: #16a34a; border: 1px solid #bbf7d0; box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.toast-error { background: #ffffff; color: #dc2626; border: 1px solid #fecaca; box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.toast-info { background: #ffffff; color: #4f46e5; border: 1px solid #c7d2fe; box-shadow: 0 4px 12px rgba(0,0,0,.1); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Login Page ───────────────────────────────────── */
.login-wrap {
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
}
.login-box {
  background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2.5rem; width: 100%; max-width: 380px; box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
.login-box h1 { text-align: center; font-size: 1.5rem; margin-bottom: .5rem; color: var(--accent); }
.login-box p { text-align: center; color: var(--text-dim); font-size: .85rem; margin-bottom: 1.5rem; }

/* ── Stats Grid ───────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card {
  background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem; text-align: center; box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.stat-card .stat-num { font-size: 1.8rem; font-weight: 700; color: var(--accent); }
.stat-card .stat-label { font-size: .8rem; color: var(--text-dim); margin-top: .3rem; }

/* ── Profile Cards ────────────────────────────────── */
.profiles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: .75rem; }
.profile-card {
  background: #ffffff; border: 1px solid var(--border); border-radius: 8px;
  padding: .75rem; display: flex; align-items: center; gap: .6rem; font-size: .85rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.04); cursor: pointer; transition: all .2s;
}
.profile-card:hover { border-color: var(--accent); box-shadow: 0 2px 8px rgba(79,70,229,.1); }
.profile-card .platform-icon { font-size: 1.2rem; }

/* ── Preview ──────────────────────────────────────── */
.preview-box {
  background: #f8fafc; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; margin-top: 1rem; min-height: 80px; white-space: pre-wrap; font-size: .9rem;
  color: var(--text-dim);
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-logo { font-size: 1.2rem; text-align: center; padding: 1rem .5rem; overflow: hidden; white-space: nowrap; }
  .sidebar-nav a span:not(.nav-icon) { display: none; }
  .sidebar-nav a { justify-content: center; padding: .7rem .5rem; }
  .sidebar-footer { flex-direction: column; gap: .3rem; }
  .sidebar-user { display: none; }
  body.has-sidebar { padding-left: 60px; }
  .container { padding: 1rem; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Misc ─────────────────────────────────────────── */
.loading { display: inline-block; width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state { text-align: center; padding: 2rem; color: var(--text-muted); }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }
.text-dim { color: var(--text-dim); }
.text-sm { font-size: .85rem; }

/* ── Prompt Cards ─────────────────────────────────── */
.prompt-card {
  background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem; margin-bottom: .75rem; box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.prompt-card .prompt-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: .75rem;
}
.prompt-card .prompt-platform { font-weight: 600; font-size: .95rem; display: flex; align-items: center; gap: .4rem; }
.prompt-card textarea { min-height: 80px; }

/* ── Profile Page Cards ───────────────────────────── */
.profile-page-card {
  background: #ffffff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem; display: flex; align-items: center; gap: 1rem;
  cursor: pointer; transition: all .2s; box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.profile-page-card:hover { border-color: var(--accent); box-shadow: 0 4px 12px rgba(79,70,229,.1); transform: translateY(-1px); }
.profile-page-card .profile-icon { font-size: 2rem; }
.profile-page-card .profile-info h3 { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: .2rem; }
.profile-page-card .profile-info p { font-size: .8rem; color: var(--text-dim); }

/* ── Prompt Hint ──────────────────────────────────── */
.prompt-hint {
  background: rgba(79,70,229,.05); border: 1px solid rgba(79,70,229,.15); border-radius: 6px;
  padding: .6rem .8rem; margin-top: .5rem; font-size: .8rem; color: var(--accent-dim);
}
.prompt-hint strong { font-weight: 600; }

/* ── Suggestion Cards ─────────────────────────────── */
.suggestion-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 1rem; margin-bottom: .75rem;
}
.suggestion-card:hover { border-color: rgba(79,70,229,.25); }
.suggestion-header { display: flex; gap: .5rem; align-items: center; margin-bottom: .75rem; }
.suggestion-analysis { margin-bottom: .75rem; font-size: .9rem; }
.suggestion-analysis p { margin-top: .3rem; color: var(--text-dim); line-height: 1.5; white-space: pre-wrap; }
.suggestion-prompt { margin-bottom: .75rem; }