/* ============================================
  PART 1: THEME & COLOR VARIABLES (HS Style)
  ============================================
*/
:root {
  --bg-color: #f4f7f6;
  --card-bg: rgba(255, 255, 255, 0.65);
  --primary-text: #1a1a1a;
  --secondary-text: #555;
  --accent-color-1: #007bff;
  --accent-color-2: #6f42c1;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --border-color: rgba(255, 255, 255, 0.8);
  --toggle-bg: #ccc;
  --toggle-knob: #fff;
  --input-bg: rgba(255, 255, 255, 0.5);
  --success-color: #22c55e;
  --error-color: #dc3545;
}

body.dark-mode {
  --bg-color: #0d1117;
  --card-bg: rgba(22, 27, 34, 0.7);
  --primary-text: #f0f6fc;
  --secondary-text: #8b949e;
  --accent-color-1: #00eaff;
  --accent-color-2: #ff00ff;
  --shadow-color: rgba(0, 0, 0, 0.4);
  --border-color: rgba(255, 255, 255, 0.1);
  --toggle-bg: #333;
  --toggle-knob: #fff; 
  --input-bg: rgba(0, 0, 0, 0.2);
  --success-color: #28a745;
  --error-color: #f87171;
}

/* ============================================
  PART 2: GENERAL PAGE STYLING
  ============================================
*/
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-color);
  color: var(--primary-text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 8rem 1rem 2rem;
  transition: background-color 0.3s ease, color 0.3s ease;
  position: relative;
}
body::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(-45deg, var(--accent-color-1), var(--accent-color-2), var(--accent-color-1), var(--accent-color-2));
  background-size: 400% 400%;
  animation: gradient-flow 15s ease infinite;
  z-index: -1; opacity: 0.15;
}
@keyframes gradient-flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.container {
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ============================================
  PART 3: THEME TOGGLE
  ============================================
*/
.theme-switcher { flex-shrink: 0; }
.theme-switcher input { display: none; }
.theme-switcher label {
  cursor: pointer; display: block; width: 50px; height: 28px;
  background-color: var(--toggle-bg); border-radius: 100px;
  position: relative; transition: background-color 0.3s ease;
}
.theme-switcher label::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 22px; height: 22px; background-color: var(--toggle-knob);
  border-radius: 50%; transition: 0.3s ease;
}
.theme-switcher input:checked + label { background-color: var(--accent-color-1); }
.theme-switcher input:checked + label::after {
  transform: translateX(22px);
  background-color: #ffffff;
}

/* ============================================
  PART 4: HEADER
  ============================================
*/
.dashboard-header {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 4px 15px var(--shadow-color);
  width: 100%;
  max-width: 600px;
  display: flex;
  justify-content: space-between; 
  align-items: center;
  position: fixed;
  top: 1.5rem; 
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
}
@media (max-width: 640px) {
    .dashboard-header {
        width: calc(100% - 2rem);
        top: 1rem;
    }
}

.dashboard-header .title {
  flex-grow: 1; margin: 0 1rem; text-align: center;
  font-size: 1.2rem; font-weight: 600; letter-spacing: 1px;
  line-height: 1.1;
  background: linear-gradient(90deg, var(--accent-color-1), var(--accent-color-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.profile-icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color-1), var(--accent-color-2));
  color: #fff; display: flex; justify-content: center;
  align-items: center; font-weight: 600; font-size: 1.1rem;
  cursor: pointer; box-shadow: 0 2px 10px var(--shadow-color);
  transition: transform 0.2s ease; flex-shrink: 0;
}
.profile-icon:hover { transform: scale(1.05); }

/* ============================================
  PART 5: CONTENT STYLES
  ============================================
*/
.content-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px var(--shadow-color);
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.content-title {
  font-size: 1.25rem; font-weight: 600;
  color: var(--primary-text); text-align: center;
  background: linear-gradient(90deg, var(--accent-color-1), var(--accent-color-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0rem;
}
.form-label {
  font-weight: 600; 
  color: var(--primary-text);
  margin-bottom: -0.5rem;
}

.styled-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 12px 20px;
  background: linear-gradient(90deg, var(--accent-color-1), var(--accent-color-2));
  color: #fff; text-decoration: none; font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px -5px var(--accent-color-2);
  border: none; cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem; width: 100%;
}
.styled-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -5px var(--accent-color-2);
}
.styled-button:disabled {
  opacity: 0.5;
  cursor: wait;
  transform: none;
  box-shadow: none;
}

.styled-input {
  width: 100%; padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: var(--primary-text);
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.styled-input:focus {
  outline: none;
  border-color: var(--accent-color-1);
  box-shadow: 0 0 10px var(--accent-color-1);
}

.hidden { display: none !important; }

.styled-button.btn-back {
  background: var(--input-bg);
  color: var(--primary-text);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 5px var(--shadow-color);
}
.styled-button.btn-back:hover {
  background: var(--card-bg);
  border-color: var(--accent-color-1);
  box-shadow: 0 4px 10px var(--shadow-color);
  transform: none;
}

/* ==========================================================
   PART 5B: TOOL SPECIFIC STYLES (Tabs & Results)
   ==========================================================
*/

/* Tabs */
.platform-selector {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
    background: var(--input-bg);
    border-radius: 8px 8px 0 0;
}
.platform-tab {
    flex: 1;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    color: var(--secondary-text);
}
.platform-tab.active {
    border-bottom: 3px solid var(--accent-color-1);
    color: var(--accent-color-1);
    background-color: var(--card-bg);
}
.platform-content { display: none; }
.platform-content.active { display: block; animation: fadeIn 0.5s ease; }

/* Loading & Error */
.loading {
    display: none;
    text-align: center;
    padding: 15px;
    color: var(--primary-text);
}
.loading.active { display: block; }
.spinner {
    border: 4px solid var(--input-bg);
    border-left-color: var(--accent-color-1);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.error-message {
    background: rgba(220, 53, 69, 0.1);
    color: var(--error-color);
    padding: 12px;
    border-radius: 8px;
    margin-top: 20px;
    display: none;
    text-align: center;
    border: 1px solid var(--error-color);
}
.error-message.active { display: block; }

/* Result Cards */
.result { margin-top: 25px; display: none; }
.result.active { display: block; animation: fadeIn 0.5s ease; }

/* WhatsApp Result Styles */
.channel-card {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: var(--input-bg);
}
.channel-header {
    background-color: var(--card-bg);
    padding: 15px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}
.channel-img {
    width: 60px; height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
    border: 2px solid #25D366;
}
.channel-img img { width: 100%; height: 100%; object-fit: cover; }
.channel-info h3 {
    color: var(--primary-text);
    margin-bottom: 5px;
    margin-top: 0;
    font-size: 1.1rem;
}
.followers {
    background-color: #25D366;
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.channel-description { padding: 15px; background: var(--input-bg); }
.channel-description p {
    line-height: 1.5;
    color: var(--primary-text);
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 8px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

/* TikTok Result Styles */
.profile-card {
    border-radius: 16px;
    overflow: hidden;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
}
.profile-header {
    background: linear-gradient(135deg, #FF0050, #00F2EA);
    padding: 25px;
    text-align: center;
    position: relative;
}
.profile-img-container { position: relative; display: inline-block; margin-bottom: 15px; }
.profile-img {
    width: 100px; height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid white;
    background: #f8f9fa;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto;
}
.profile-img img { width: 100%; height: 100%; object-fit: cover; }
.verified-badge {
    position: absolute; bottom: 5px; right: 5px;
    background: #20D5EC; color: white;
    border-radius: 50%; width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; border: 2px solid white;
}
.profile-name { color: white; font-size: 20px; font-weight: 700; margin-bottom: 5px; text-shadow: 0 1px 2px rgba(0,0,0,0.3); }
.profile-username { color: rgba(255, 255, 255, 0.9); font-size: 14px; margin-bottom: 10px; }
.profile-bio { color: white; font-size: 13px; line-height: 1.4; max-width: 300px; margin: 0 auto; }

.profile-stats {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 5px; padding: 15px;
    background: var(--card-bg);
}
.stat-item { text-align: center; }
.stat-value { font-size: 16px; font-weight: 700; color: var(--primary-text); }
.stat-label { font-size: 11px; color: var(--secondary-text); }

.profile-details { padding: 15px; background: var(--input-bg); border-top: 1px solid var(--border-color); }
.detail-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 0; border-bottom: 1px solid var(--border-color);
}
.detail-item:last-child { border-bottom: none; }
.detail-label { font-weight: 600; color: var(--secondary-text); font-size: 14px; }
.detail-value { color: var(--primary-text); font-size: 14px; text-align: right; }

.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-yes { background: rgba(46, 125, 50, 0.2); color: var(--success-color); }
.badge-no { background: rgba(198, 40, 40, 0.2); color: var(--error-color); }

.copy-feedback {
    position: fixed; top: 20px; right: 20px;
    background-color: var(--success-color);
    color: white; padding: 12px 20px;
    border-radius: 5px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000; display: none; animation: slideIn 0.3s ease;
}
.copy-feedback.show { display: block; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ============================================
  PART 6: FOOTER
  ============================================
*/
.site-footer {
  text-align: center;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 4px 15px var(--shadow-color);
}
.footer-credit {
  font-size: 0.9rem;
  color: var(--secondary-text);
}

/* ============================================
  PART 7: DEVELOPER MODAL
  ============================================
*/
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  display: flex;
  justify-content: center; align-items: center;
  z-index: 1000; opacity: 0; visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-content {
  background: var(--card-bg); backdrop-filter: blur(15px);
  border: 1px solid var(--border-color); border-radius: 12px;
  padding: 1.5rem; box-shadow: 0 10px 30px var(--shadow-color);
  max-width: 90%; width: 300px; position: relative;
  text-align: center; transform: scale(0.8);
  transition: transform 0.3s ease;
}
.modal-overlay.open .modal-content { transform: scale(1); }
.modal-close {
  position: absolute; top: 10px; right: 15px; font-size: 2rem;
  color: var(--secondary-text); cursor: pointer; background: none;
  border: none; line-height: 1; padding: 0;
  transition: color 0.3s ease;
}
.modal-close:hover { color: var(--primary-text); }
.modal-content h3 {
  background: linear-gradient(90deg, var(--accent-color-1), var(--accent-color-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem; font-size: 1.5rem; font-weight: 600;
}
.modal-content .info-row { margin-bottom: 1.5rem; }
.modal-content .info-row strong {
  display: block; font-size: 0.85rem; color: var(--secondary-text);
  margin-bottom: 0.4rem; text-transform: uppercase; letter-spacing: 0.5px;
}
.modal-content .info-row p {
    color: var(--primary-text); font-weight: 500;
    margin: 0; font-size: 1rem;
}
.modal-button {
  display: block; width: 100%; padding: 12px 0;
  margin-top: 1rem; background: linear-gradient(90deg, var(--accent-color-1), var(--accent-color-2));
  color: #fff; text-decoration: none; font-weight: 600;
  border-radius: 8px; transition: opacity 0.3s ease, transform 0.2s ease;
}
.modal-button:hover { opacity: 0.9; transform: translateY(-1px); }