html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  background-color: var(--body-bg, #f8f9fa) !important;
  transition: all 0.3s ease;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* ============================================================
   BỘ HỆ THỐNG THEMES TOÀN CỤC (GLOBAL THEMES)
   ============================================================ */

/* 1. OCEAN BLUE (Xanh Biển - Mặc Định) */
:root, [data-theme="ocean-blue"] {
    --theme-main: #0d6efd;
    --theme-hover: #0b5ed7;
    --theme-grad: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    --body-bg: #f8f9fa;
}

/* 2. SUNSET PURPLE (Tím Hoàng Hôn) */
[data-theme="sunset-purple"] {
    --theme-main: #6f42c1;
    --theme-hover: #59359a;
    --theme-grad: linear-gradient(135deg, #6f42c1 0%, #d63384 100%);
    --body-bg: #fcfaff;
}

/* Ghi đè toàn bộ Nút bấm, Tiêu đề, Badge và Đường viền cho Theme Tím */
[data-theme="sunset-purple"] .btn-primary,
[data-theme="sunset-purple"] .btn-success,
[data-theme="sunset-purple"] .btn-danger,
[data-theme="sunset-purple"] .btn-info {
    background-color: var(--theme-main) !important;
    border-color: var(--theme-main) !important;
    color: #ffffff !important;
}

[data-theme="sunset-purple"] .btn-primary:hover,
[data-theme="sunset-purple"] .btn-success:hover,
[data-theme="sunset-purple"] .btn-danger:hover,
[data-theme="sunset-purple"] .btn-info:hover,
[data-theme="sunset-purple"] .btn-primary:focus,
[data-theme="sunset-purple"] .btn-success:focus,
[data-theme="sunset-purple"] .btn-danger:focus,
[data-theme="sunset-purple"] .btn-info:focus {
    background-color: var(--theme-hover) !important;
    border-color: var(--theme-hover) !important;
}

[data-theme="sunset-purple"] .btn-outline-primary,
[data-theme="sunset-purple"] .btn-outline-success,
[data-theme="sunset-purple"] .btn-outline-danger,
[data-theme="sunset-purple"] .btn-outline-info {
    color: var(--theme-main) !important;
    border-color: var(--theme-main) !important;
}

[data-theme="sunset-purple"] .btn-outline-primary:hover,
[data-theme="sunset-purple"] .btn-outline-success:hover,
[data-theme="sunset-purple"] .btn-outline-danger:hover,
[data-theme="sunset-purple"] .btn-outline-info:hover {
    background-color: var(--theme-main) !important;
    color: #ffffff !important;
}

[data-theme="sunset-purple"] .text-primary,
[data-theme="sunset-purple"] .text-success,
[data-theme="sunset-purple"] .text-danger,
[data-theme="sunset-purple"] .text-info {
    color: var(--theme-main) !important;
}

[data-theme="sunset-purple"] .bg-primary,
[data-theme="sunset-purple"] .bg-success,
[data-theme="sunset-purple"] .bg-info {
    background: var(--theme-grad) !important;
}

[data-theme="sunset-purple"] .border-primary,
[data-theme="sunset-purple"] .border-success,
[data-theme="sunset-purple"] .border-info {
    border-color: var(--theme-main) !important;
}

[data-theme="sunset-purple"] .badge.bg-primary,
[data-theme="sunset-purple"] .badge.bg-success,
[data-theme="sunset-purple"] .badge.bg-info {
    background-color: var(--theme-main) !important;
}

/* 3. EMERALD NEON (Xanh Ngọc Lục Bảo) */
[data-theme="emerald-neon"] {
    --theme-main: #198754;
    --theme-hover: #146c43;
    --theme-grad: linear-gradient(135deg, #198754 0%, #20c997 100%);
    --body-bg: #f4fbf7;
}

/* Ghi đè toàn bộ Nút bấm, Tiêu đề, Badge và Đường viền cho Theme Xanh Ngọc */
[data-theme="emerald-neon"] .btn-primary,
[data-theme="emerald-neon"] .btn-success,
[data-theme="emerald-neon"] .btn-danger,
[data-theme="emerald-neon"] .btn-info {
    background-color: var(--theme-main) !important;
    border-color: var(--theme-main) !important;
    color: #ffffff !important;
}

[data-theme="emerald-neon"] .btn-primary:hover,
[data-theme="emerald-neon"] .btn-success:hover,
[data-theme="emerald-neon"] .btn-danger:hover,
[data-theme="emerald-neon"] .btn-info:hover,
[data-theme="emerald-neon"] .btn-primary:focus,
[data-theme="emerald-neon"] .btn-success:focus,
[data-theme="emerald-neon"] .btn-danger:focus,
[data-theme="emerald-neon"] .btn-info:focus {
    background-color: var(--theme-hover) !important;
    border-color: var(--theme-hover) !important;
}

[data-theme="emerald-neon"] .btn-outline-primary,
[data-theme="emerald-neon"] .btn-outline-success,
[data-theme="emerald-neon"] .btn-outline-danger,
[data-theme="emerald-neon"] .btn-outline-info {
    color: var(--theme-main) !important;
    border-color: var(--theme-main) !important;
}

[data-theme="emerald-neon"] .btn-outline-primary:hover,
[data-theme="emerald-neon"] .btn-outline-success:hover,
[data-theme="emerald-neon"] .btn-outline-danger:hover,
[data-theme="emerald-neon"] .btn-outline-info:hover {
    background-color: var(--theme-main) !important;
    color: #ffffff !important;
}

[data-theme="emerald-neon"] .text-primary,
[data-theme="emerald-neon"] .text-success,
[data-theme="emerald-neon"] .text-danger,
[data-theme="emerald-neon"] .text-info {
    color: var(--theme-main) !important;
}

[data-theme="emerald-neon"] .bg-primary,
[data-theme="emerald-neon"] .bg-success,
[data-theme="emerald-neon"] .bg-info {
    background: var(--theme-grad) !important;
}

[data-theme="emerald-neon"] .border-primary,
[data-theme="emerald-neon"] .border-success,
[data-theme="emerald-neon"] .border-info {
    border-color: var(--theme-main) !important;
}

[data-theme="emerald-neon"] .badge.bg-primary,
[data-theme="emerald-neon"] .badge.bg-success,
[data-theme="emerald-neon"] .badge.bg-info {
    background-color: var(--theme-main) !important;
}