:root {
    --bg-body: #fbf5ff;
    --bg-subtle: rgba(255, 255, 255, 0.6);
    --border-default: rgba(200, 180, 220, 0.45);
    --text-main: #3d2857;
    --text-muted: #7d5f92;
    --accent-primary: #9f80da;
    --accent-secondary: #999bff;
    --accent-success: #8765d7;
    --accent-warning: #da9ef0;
    --accent-error: #ff5f56;
    --container-max: 1280px;
    --shadow-luxury: 0px 8px 32px rgba(159, 128, 218, 0.18);
    --shadow-card: 0 2px 12px rgba(120, 80, 180, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.52);
    --glass-blur: blur(18px);
    --glass-border: rgba(255, 255, 255, 0.75);
    --radius-xl: 22px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-pill: 999px;
}

*, *::before, *::after {
    margin: 0; padding: 0; box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: 'Mona Sans', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.universe-bg {
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background-color: var(--bg-body);
    background-image:
        radial-gradient(ellipse at 8% 15%, rgba(195, 185, 255, 0.65) 0%, transparent 42%),
        radial-gradient(ellipse at 92% 85%, rgba(236, 210, 248, 0.65) 0%, transparent 42%),
        radial-gradient(ellipse at 50% 50%, rgba(170, 144, 225, 0.18) 0%, transparent 65%),
        radial-gradient(ellipse at 75% 10%, rgba(200, 220, 255, 0.35) 0%, transparent 35%);
}

.typing-text,
.typing-text-static {
    color: var(--text-main);
    font-weight: 500;
}

.typing-text::after {
    content: '▋'; color: var(--accent-primary);
    animation: blink 1s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.loader {
    width: 34px; height: 34px;
    border: 3px solid rgba(159, 128, 218, 0.15);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.85s linear infinite;
    margin: 30px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(159, 128, 218, 0.25); border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }

::selection {
    background: rgba(159, 128, 218, 0.2);
    color: var(--text-main);
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none; 
}

.toast-modern {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-luxury);
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    min-width: 320px;
    max-width: 450px;
    position: relative;
    overflow: hidden;
    animation: toastSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.toast-modern.error { border-left: 5px solid var(--accent-error); }
.toast-modern.success { border-left: 5px solid var(--accent-success); }
.toast-modern.warning { border-left: 5px solid var(--accent-warning); }

.toast-icon {
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.toast-modern.error .toast-icon { color: var(--accent-error); }
.toast-modern.success .toast-icon { color: var(--accent-success); }
.toast-modern.warning .toast-icon { color: var(--accent-warning); }

.toast-content {
    flex: 1;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.4;
}

.toast-close {
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: all 0.2s;
    padding: 4px;
}
.toast-close:hover {
    color: var(--accent-error);
    transform: scale(1.1);
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.05);
}

.toast-progress-bar {
    height: 100%;
    width: 100%;
    animation: toastProgress 4s linear forwards;
}
.toast-modern.error .toast-progress-bar { background: var(--accent-error); }
.toast-modern.success .toast-progress-bar { background: var(--accent-success); }
.toast-modern.warning .toast-progress-bar { background: var(--accent-warning); }


@keyframes toastSlideIn {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes toastFadeOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(120%); opacity: 0; margin-bottom: -70px; }
}

@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}




:root {
  --text-main: #4a365e;
  --text-muted: #826e99;
  --gold-accent: #d4af37;
}

#confetti-canvas { position: fixed; inset: 0; z-index: 999999; pointer-events: none; display: none; }


#ty-overlay {
  position: fixed; inset: 0; z-index: 99990;
  display: flex; align-items: center; justify-content: center;
  background: rgba(20, 15, 30, 0.65); backdrop-filter: blur(8px);
  animation: fadeIn 0.5s ease forwards;
}
#ty-overlay.out { animation: fadeOut 0.4s forwards; pointer-events: none; }
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes fadeOut { from { opacity: 1 } to { opacity: 0 } }

/* CHIẾC THIỆP CAO CẤP */
.luxury-card {
  position: relative; width: 340px; background: #ffffff;
  border-radius: 12px; box-shadow: 0 25px 50px rgba(0,0,0,0.25);
  overflow: hidden; animation: cardPop 0.5s cubic-bezier(0.25, 1, 0.4, 1) forwards;
}
@keyframes cardPop {
  from { transform: scale(0.9) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}


.card-edge-highlight { height: 5px; width: 100%; background: linear-gradient(90deg, #f0e6c8, var(--gold-accent), #f0e6c8); }

.card-inner { padding: 30px 26px 24px; text-align: center; }
.card-tag { font-family: 'Mona Sans', sans-serif; font-size: 0.65rem; color: var(--text-muted); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 8px; }
.card-title { font-family: 'Dancing Script', cursive; font-size: 2.5rem; color: var(--text-main); margin-bottom: 0; line-height: 1; }
.card-title span { color: var(--gold-accent); }
.card-divider { margin: 16px 0; color: #e6dbea; font-size: 0.6rem; letter-spacing: 4px; }
.card-message { font-size: 0.88rem; line-height: 1.6; color: var(--text-muted); margin-bottom: 20px; text-align: left; }
.card-message strong { color: var(--text-main); font-weight: 700; }

.card-feedback-block { background: #faf8fc; border: 1px solid #f0eaf5; border-radius: 10px; padding: 12px 14px; margin-bottom: 20px; display: flex; gap: 12px; text-align: left; align-items: center;}
.fb-icon { font-size: 1.5rem; }
.fb-text { font-size: 0.8rem; line-height: 1.5; color: var(--text-muted); }
.fb-text strong { color: var(--text-main); font-weight: 700; display: block; margin-bottom: 2px; font-size: 0.85rem; }

.card-actions { display: flex; gap: 10px; }
.btn-gf { flex: 1; padding: 12px; background: var(--text-main); color: #fff; font-family: 'Mona Sans', sans-serif; font-size: 0.85rem; font-weight: 700; border: none; border-radius: 8px; cursor: pointer; transition: 0.2s; box-shadow: 0 4px 10px rgba(74, 54, 94, 0.2); }
.btn-gf:hover { background: #5a4273; transform: translateY(-2px); }
.btn-later-card { padding: 12px 16px; background: transparent; border: 1px solid #e0d8e8; border-radius: 8px; color: var(--text-muted); font-family: 'Mona Sans', sans-serif; font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: 0.2s; }
.btn-later-card:hover { background: #f4f0f8; color: var(--text-main); }
.card-sign { margin-top: 20px; font-family: 'Dancing Script', cursive; font-size: 1.2rem; color: var(--gold-accent); text-align: right;}


.es-modal-overlay {
    position: fixed; inset: 0; z-index: 100000;
    display: none; align-items: center; justify-content: center;
    background: rgba(20, 10, 30, 0.8); backdrop-filter: blur(8px);
    opacity: 0; transition: opacity 0.3s ease;
}
.es-modal-overlay.active { display: flex; opacity: 1; }

.es-fancy-modal {
    position: relative; width: 95%; max-width: 680px; height: 90vh;
    background: #ffffff; border-radius: 12px; display: flex; flex-direction: column;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    animation: modalPop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    overflow: hidden;
}
@keyframes modalPop { from { opacity: 0; transform: scale(0.95) translateY(15px); } to { opacity: 1; transform: scale(1) translateY(0); } }


.es-fancy-header { padding: 20px 0 16px; text-align: center; background: #faf8fc; border-bottom: 1px solid #eee; flex-shrink: 0; }
.es-fancy-title { font-family: 'Dancing Script', cursive; font-size: 2.2rem; font-weight: 700; color: var(--text-main); margin: 0 0 6px; }
.es-fancy-subtitle { font-family: 'Mona Sans', sans-serif; font-size: 0.65rem; letter-spacing: 3px; color: var(--text-muted); margin: 0; }


.es-fancy-body { flex: 1; display: flex; background: white; overflow: hidden; }
.es-paper-edge {
    width: 12px; flex-shrink: 0;
    background: repeating-linear-gradient(
        -45deg,
        #ffffff, #ffffff 15px,
        #f6e4a3 15px, #f6e4a3 30px, 
        #ffffff 30px, #ffffff 45px,
        #e2d5f0 45px, #e2d5f0 60px  
    );
    border-left: 1px solid #f2f2f2; border-right: 1px solid #f2f2f2;
}
.es-paper-content { flex: 1; position: relative; }
.es-paper-content iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }


.es-fancy-footer { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; background: #faf8fc; border-top: 1px solid #eee; flex-shrink: 0; }
.es-footer-left { font-family: 'Dancing Script', cursive; font-size: 1.3rem; color: var(--gold-accent); font-weight: bold;}
.es-btn-close { background: #ffffff; border: 1px solid #e0d8e8; color: var(--text-main); font-family: 'Mona Sans', sans-serif; font-size: 0.85rem; font-weight: 700; padding: 8px 18px; border-radius: 8px; cursor: pointer; transition: 0.2s; }
.es-btn-close:hover { background: #fee2e2; border-color: #ef4444; color: #dc2626; }

@media (max-width: 420px) {
  .luxury-card { width: 310px; }
}