/* ===========================
   Bà Miên Vote – Stylesheet
   Migrated from PHP inline <style>
   =========================== */

:root {
  --primary-color: #1976d2;
  --primary-color-dark: #115293;
  --primary-bg: #fff;
  --secondary-bg: #f5f7fa;
  --text-color: #222;
  --border-radius: 14px;
  --card-shadow: 0 4px 16px rgba(25, 118, 210, 0.08);
  --card-shadow-hover: 0 8px 24px rgba(25, 118, 210, 0.13);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --primary-gradient: linear-gradient(135deg, #1976d2 0%, #42a5f5 100%);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--secondary-bg);
  color: var(--text-color);
  line-height: 1.5;
}

/* ===========================
   Container Utilities
   =========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.mt-5 {
  margin-top: 3rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
}

.justify-content-center {
  justify-content: center;
}

.col-md-6 {
  flex: 0 0 50%;
  max-width: 50%;
  padding: 0 1rem;
}

/* ===========================
   Welcome / Login Card
   =========================== */
.welcome-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  animation: slideUp 0.6s ease-out;
}

.welcome-body {
  padding: 2rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--primary-color);
}

.modern-input {
  width: 100%;
  border: 2px solid #e1e5e9;
  border-radius: 12px;
  padding: 1rem;
  font-size: 1rem;
  transition: var(--transition);
  background: #f8f9fa;
  margin-bottom: 1rem;
}

.modern-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
  background: white;
  outline: none;
}

.btn-modern {
  background: var(--primary-gradient);
  border: none;
  border-radius: 12px;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  width: 100%;
}

.btn-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(25, 118, 210, 0.3);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ===========================
   Poll Container & Header
   =========================== */
.poll-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.poll-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.2rem 1.5rem;
  background: var(--primary-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  color: var(--text-color);
}

.poll-h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.poll-title p,
.realtime-note {
  margin: 0.3rem 0 0 0;
  color: #555;
  font-size: 1rem;
}

.realtime-note {
  color: #43a047;
  font-weight: 500;
  font-size: 0.9rem;
}

.time-selector {
  margin-top: 0.5rem;
}

.time-form {
  display: inline-block;
  margin-bottom: 0.5rem;
}

.time-label {
  color: var(--primary-color);
  font-weight: 600;
  margin-right: 0.5rem;
}

.time-select {
  padding: 0.3rem 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--primary-color);
  background: white;
  color: var(--primary-color);
  font-weight: 600;
  cursor: pointer;
}

.total-votes {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-top: 0.3rem;
}

.poll-header-info {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
}

.unvoted-count {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem;
  background: #e3f2fd;
  border-radius: 8px;
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.2rem;
}

.user-voted-list {
  color: var(--primary-color);
  font-size: 0.98rem;
  margin-bottom: 0.2rem;
}

.user-greeting {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #222;
  font-size: 0.95rem;
}

.user-name {
  color: var(--primary-color);
  font-weight: 600;
  margin-left: 0.2rem;
}

.logout-btn {
  display: inline-block;
  background: #fff;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  padding: 0.4rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.logout-btn:hover {
  background: var(--primary-color);
  color: #fff;
}

/* ===========================
   Poll Grid
   =========================== */
.poll-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

/* ===========================
   Poll Cards
   =========================== */
.poll-card {
  background: var(--primary-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out;
  border: 1px solid #e3f2fd;
}

.poll-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--primary-color);
}

.poll-card-full {
  opacity: 0.6;
  background: #f0f0f0;
  border-color: #bdbdbd;
}

.poll-card-header {
  padding: 0.8rem;
  border-bottom: 1px solid #e9ecef;
}

.poll-card-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.7rem 0.8rem;
}

.poll-option-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #222;
  flex: 1;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.poll-card-body {
  padding: 0.6rem 0.8rem;
}

/* Voters */
.voters-section {
  margin-top: 0.2rem;
}

.voters-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  justify-content: center;
}

.voter-tag {
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 500;
}

.voter-tag-me {
  background: #fff0f0;
  color: #d32f2f;
  border: 1px solid #d32f2f;
  font-weight: bold;
  font-size: 1.1rem;
}

.voter-tag-user {
  background: rgb(2, 129, 255);
  color: #fff;
  font-weight: bold;
  border: 1px solid #e0e0e0;
  font-size: 1.1rem;
}

/* Card Footer / Actions */
.poll-card-footer {
  padding: 0.8rem;
  border-top: 1px solid #e9ecef;
}

.poll-card-actions {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.poll-card-actions.poll-card-footer {
  border-top: 1px solid #e9ecef;
  padding: 0.7rem 0.8rem;
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  justify-content: flex-end;
}

.inline-form {
  display: inline;
}

/* Vote / Unvote Buttons */
.vote-btn {
  width: auto;
  min-width: 60px;
  margin-left: 0.5rem;
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  background: #f3f8fd;
  color: var(--primary-color);
  border: 1px solid #b3d4fc;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: none;
  transition: background 0.2s, color 0.2s;
}

.vote-btn:hover:not(:disabled) {
  background: #e3f2fd;
  color: var(--primary-color-dark);
  border-color: #90caf9;
}

.vote-btn:active {
  background: #e3f2fd;
  color: var(--primary-color-dark);
}

.vote-btn-disabled {
  background: #bdbdbd;
  color: #fff;
  cursor: not-allowed;
}

.vote-btn-disabled:hover {
  background: #bdbdbd;
  color: #fff;
}

.unvote-btn {
  background: #fff;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  font-weight: 600;
  margin-left: 0.5rem;
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
}

.unvote-btn:hover {
  background: var(--primary-color);
  color: #fff;
}

/* Sold Out Toggle */
.soldout-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.soldout-toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
}

.soldout-toggle span {
  color: #666;
}

.soldout-toggle-checked span {
  color: #d32f2f;
}

/* ===========================
   Admin Page
   =========================== */
.admin-container {
  max-width: 600px;
  margin: 60px auto;
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  padding: 2rem;
}

.admin-container h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.votes-info {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.files-info {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
}

.files-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.file-tag {
  background: #e3f2fd;
  color: var(--primary-color);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

.message {
  margin: 1rem 0;
  color: #388e3c;
  font-weight: bold;
}

.error {
  margin: 1rem 0;
  color: #d32f2f;
  font-weight: bold;
}

.input-group {
  margin-bottom: 1rem;
}

.input-label {
  display: block;
  margin-bottom: 0.3rem;
  font-weight: 600;
}

.input-password {
  width: 100%;
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid #bdbdbd;
  font-size: 1rem;
}

.btn-clear {
  background: #d32f2f;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.5rem;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-clear:hover {
  background: #b71c1c;
}

/* ===========================
   WebSocket Status Indicator
   =========================== */
.ws-status {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 1000;
  transition: var(--transition);
}

.ws-connected {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.ws-disconnected {
  background: #fbe9e7;
  color: #d32f2f;
  border: 1px solid #ef9a9a;
}

/* ===========================
   Animations
   =========================== */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===========================
   Responsive Design – Desktop Only
   Mobile layout disabled
   =========================== */