/* =====================================================
   Keyword Explorer – Frontend Styles
   ===================================================== */

/* ---- Wrapper ---- */
.ke-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    max-width: 860px;
    margin: 2rem auto;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 4px 40px rgba(0,0,0,.10);
    overflow: hidden;
}

/* ---- Header ---- */
.ke-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, #6c63ff 0%, #3ec6e0 100%);
    padding: 2rem 2.5rem;
    color: #fff;
}
.ke-header-icon {
    font-size: 2.8rem;
    line-height: 1;
    flex-shrink: 0;
}
.ke-title {
    margin: 0 0 .25rem;
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff !important;
}
.ke-subtitle {
    margin: 0;
    font-size: .95rem;
    opacity: .9;
    color: #fff !important;
}

/* ---- Form area ---- */
.ke-form-area {
    padding: 2rem 2.5rem 1.5rem;
    background: #f8f9ff;
    border-bottom: 1px solid #eceef8;
}
.ke-label {
    display: block;
    font-weight: 600;
    font-size: .9rem;
    color: #444;
    margin-bottom: .5rem;
}
.ke-input-row {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
}
.ke-input {
    flex: 1 1 260px;
    padding: .75rem 1.1rem;
    font-size: 1rem;
    border: 2px solid #dde0f5;
    border-radius: 12px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    color: #333;
    background: #fff;
}
.ke-input:focus {
    border-color: #6c63ff;
    box-shadow: 0 0 0 3px rgba(108,99,255,.15);
}

/* ---- Buttons ---- */
.ke-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .75rem 1.5rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-size: .95rem;
    font-weight: 600;
    transition: all .2s;
    white-space: nowrap;
}
.ke-btn-primary {
    background: linear-gradient(135deg, #6c63ff, #48c9e0);
    color: #fff;
    box-shadow: 0 4px 14px rgba(108,99,255,.35);
}
.ke-btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(108,99,255,.45);
}
.ke-btn-primary:disabled {
    opacity: .65;
    cursor: not-allowed;
    transform: none;
}
.ke-btn-secondary {
    background: #fff;
    color: #6c63ff;
    border: 2px solid #e0dcff;
    font-size: .85rem;
    padding: .55rem 1rem;
}
.ke-btn-secondary:hover {
    background: #f3f1ff;
    border-color: #6c63ff;
}

/* ---- Status ---- */
.ke-status {
    padding: 1rem 2.5rem;
    font-size: .95rem;
}
.ke-status.ke-loading {
    color: #6c63ff;
    display: flex;
    align-items: center;
    gap: .75rem;
}
.ke-spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 3px solid #e0dcff;
    border-top-color: #6c63ff;
    border-radius: 50%;
    animation: ke-spin .7s linear infinite;
    flex-shrink: 0;
}
@keyframes ke-spin { to { transform: rotate(360deg); } }

.ke-status.ke-error {
    color: #e74c3c;
    background: #fff5f5;
    border-radius: 10px;
    margin: 0 2.5rem;
    padding: 1rem 1.25rem;
}

/* ---- Results ---- */
.ke-results {
    padding: 1.5rem 2.5rem 2.5rem;
}
.ke-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1.25rem;
}
.ke-results-count {
    font-size: .9rem;
    font-weight: 600;
    color: #666;
}
.ke-results-actions {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}

/* ---- Tag cloud ---- */
.ke-tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
}
.ke-tag {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    background: #f3f1ff;
    color: #5a52cc;
    border: 1px solid #dddaff;
    border-radius: 30px;
    padding: .45rem 1rem;
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
    animation: ke-pop .3s ease both;
}
.ke-tag:hover {
    background: #6c63ff;
    color: #fff;
    border-color: #6c63ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(108,99,255,.3);
}
.ke-tag .ke-tag-num {
    font-size: .75rem;
    opacity: .6;
    font-weight: 400;
}

@keyframes ke-pop {
    from { opacity:0; transform: scale(.85); }
    to   { opacity:1; transform: scale(1);   }
}

/* Stagger animation for tags */
.ke-tag:nth-child(1)  { animation-delay: .02s }
.ke-tag:nth-child(2)  { animation-delay: .04s }
.ke-tag:nth-child(3)  { animation-delay: .06s }
.ke-tag:nth-child(4)  { animation-delay: .08s }
.ke-tag:nth-child(5)  { animation-delay: .10s }
.ke-tag:nth-child(6)  { animation-delay: .12s }
.ke-tag:nth-child(7)  { animation-delay: .14s }
.ke-tag:nth-child(8)  { animation-delay: .16s }
.ke-tag:nth-child(9)  { animation-delay: .18s }
.ke-tag:nth-child(10) { animation-delay: .20s }

/* ---- Copy toast ---- */
.ke-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: #333;
    color: #fff;
    padding: .75rem 1.25rem;
    border-radius: 10px;
    font-size: .9rem;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0,0,0,.25);
    z-index: 99999;
    animation: ke-slideup .25s ease both;
}
@keyframes ke-slideup {
    from { opacity:0; transform:translateY(12px); }
    to   { opacity:1; transform:translateY(0);    }
}

/* ---- Responsive ---- */
@media (max-width: 580px) {
    .ke-header  { padding: 1.5rem; }
    .ke-form-area, .ke-results { padding-left: 1.5rem; padding-right: 1.5rem; }
    .ke-title   { font-size: 1.3rem; }
    .ke-input-row { flex-direction: column; }
    .ke-btn-primary { width: 100%; justify-content: center; }
}