Feature: Restore closed antique envelope state with 3D flap opening and sliding letter reveal on seal break

This commit is contained in:
kobold-ai
2026-09-21 16:40:02 +02:00
parent 8d8018347c
commit 611a94ab43
4 changed files with 293 additions and 177 deletions
+224 -134
View File
@@ -232,7 +232,7 @@ body {
}
/* =========================================
ANTIQUE HOGWARTS PARCHMENT LETTER & SKETCHED SEAL
ANTIQUE HOGWARTS CLOSED ENVELOPE & LETTER REVEAL
========================================= */
.intro-parchment-wrapper {
background: transparent !important;
@@ -243,92 +243,179 @@ body {
margin: 0 auto;
}
.hogwarts-parchment-letter {
.antique-envelope-scene {
position: relative;
width: min(440px, 92vw);
height: min(260px, 58vw);
margin: 25px auto 35px;
perspective: 1200px;
perspective-origin: center top;
}
.envelope-base {
position: relative;
width: 100%;
margin: 10px auto 25px;
background-color: #f5eedb;
height: 100%;
border-radius: 6px;
box-shadow:
0 20px 45px rgba(0, 0, 0, 0.75),
0 4px 14px rgba(0, 0, 0, 0.5);
transition: transform 0.6s ease;
}
/* Interior of envelope (visible when flap opens and letter rises) */
.envelope-interior {
position: absolute;
inset: 0;
border-radius: 6px;
background-color: #d1be9b;
background-image:
radial-gradient(ellipse at 50% 30%, rgba(255, 255, 255, 0.4) 0%, rgba(140, 100, 50, 0.18) 100%),
radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0.55) 100%),
url('/static/img/parchment_texture.jpg');
background-size: cover;
border: 2px solid #7a5c36;
z-index: 1;
}
/* The Letter inside the envelope (slides up when opened) */
.letter-sheet {
position: absolute;
bottom: 8px;
left: 4%;
width: 92%;
height: 92%;
background-color: #f7f0df;
background-image:
radial-gradient(ellipse at 50% 25%, rgba(255, 255, 255, 0.5) 0%, rgba(140, 100, 50, 0.15) 100%),
url('/static/img/parchment_texture.jpg');
background-size: cover;
background-position: center;
border-radius: 6px;
border: 2px solid #8e6c43;
padding: 34px 28px 28px;
box-shadow:
0 18px 45px rgba(0, 0, 0, 0.75),
0 4px 14px rgba(0, 0, 0, 0.45),
inset 0 0 50px rgba(110, 75, 30, 0.28),
inset 0 0 100px rgba(80, 50, 20, 0.12);
transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.6s ease;
overflow: visible;
}
/* Three-dimensional trifold crease shading */
.parchment-texture-layer {
position: absolute;
inset: 0;
pointer-events: none;
border-radius: 5px;
background: linear-gradient(
to bottom,
rgba(0, 0, 0, 0.02) 0%,
rgba(255, 255, 255, 0.1) 29%,
rgba(100, 68, 25, 0.12) 32%,
rgba(0, 0, 0, 0.03) 34%,
rgba(255, 255, 255, 0.09) 64%,
rgba(100, 68, 25, 0.12) 67%,
rgba(0, 0, 0, 0.04) 70%,
rgba(0, 0, 0, 0.06) 100%
);
mix-blend-mode: multiply;
}
/* Aged vignette and marbling contour */
.parchment-vignette {
position: absolute;
inset: 0;
pointer-events: none;
border-radius: 5px;
box-shadow:
inset 0 0 35px rgba(100, 65, 25, 0.35),
inset 0 0 8px rgba(60, 35, 10, 0.4);
}
/* Hand-drawn double sketched border */
.parchment-sketch-border {
position: absolute;
inset: 10px;
border: 1.5px dashed rgba(120, 85, 45, 0.55);
border-radius: 4px;
pointer-events: none;
outline: 1px solid rgba(140, 105, 60, 0.25);
outline-offset: -4px;
border: 1.5px solid #8e6c43;
padding: 16px 18px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
z-index: 2;
transition: transform 1.1s cubic-bezier(0.2, 0.8, 0.25, 1) 0.35s, box-shadow 0.8s ease, z-index 0.2s 0.35s;
overflow: hidden;
text-align: center;
outline: 1px dashed rgba(130, 95, 55, 0.45);
outline-offset: -5px;
}
/* Sketched Wax Seal */
/* Front Pocket of envelope (covers the lower portion of the letter) */
.envelope-front-pocket {
position: absolute;
inset: 0;
border-radius: 6px;
background-color: #ebdcb9;
background-image:
radial-gradient(ellipse at 50% 65%, rgba(255, 255, 255, 0.25) 0%, rgba(130, 95, 45, 0.2) 100%),
url('/static/img/parchment_texture.jpg');
background-size: cover;
clip-path: polygon(0 32%, 50% 54%, 100% 32%, 100% 100%, 0 100%);
z-index: 4;
border: 2px solid #8e6c43;
filter: drop-shadow(0 -3px 6px rgba(60, 40, 15, 0.3));
display: flex;
align-items: flex-end;
justify-content: center;
padding-bottom: 20px;
pointer-events: none;
}
.envelope-sketch-border {
position: absolute;
bottom: 8px;
left: 8px;
right: 8px;
height: 48%;
border: 1px dashed rgba(120, 85, 45, 0.4);
border-radius: 3px;
pointer-events: none;
}
/* Handwritten Address in Emerald Ink on Envelope Front */
.envelope-address-block {
position: relative;
z-index: 5;
text-align: center;
font-family: 'Marck Script', 'Caveat', cursive;
color: #0d3820; /* Authentic Hogwarts Emerald Ink */
padding: 0 15px;
text-shadow: 0 0 1px rgba(13, 56, 32, 0.35);
}
.addr-school {
font-size: clamp(0.92rem, 3.2vw, 1.15rem);
font-weight: 700;
color: #082816;
margin-bottom: 2px;
}
.addr-recipient {
font-size: clamp(1.15rem, 3.8vw, 1.4rem);
font-weight: 700;
color: #0b3a20;
margin-bottom: 2px;
}
.addr-location {
font-size: clamp(0.85rem, 2.8vw, 1.02rem);
font-style: italic;
color: #1e4530;
}
/* Top Triangular Flap (folds down over the pocket) */
.envelope-closing-flap {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #dfcd9f;
background-image:
radial-gradient(ellipse at 50% 25%, rgba(255, 255, 255, 0.3) 0%, rgba(130, 95, 45, 0.25) 100%),
url('/static/img/parchment_texture.jpg');
background-size: cover;
clip-path: polygon(0 0, 100% 0, 50% 57%);
transform-origin: top center;
transform-style: preserve-3d;
transition: transform 0.75s cubic-bezier(0.4, 0, 0.2, 1);
z-index: 6;
border-top: 2px solid #8e6c43;
filter: drop-shadow(0 5px 8px rgba(50, 35, 10, 0.5));
}
.flap-sketch-line {
position: absolute;
inset: 4px;
clip-path: polygon(2% 2%, 98% 2%, 50% 54%);
border-top: 1px dashed rgba(120, 85, 45, 0.4);
pointer-events: none;
}
/* Sketched Wax Seal placed right over the flap tip */
.sketched-wax-seal {
position: absolute;
top: -24px;
right: 24px;
width: 78px;
height: 78px;
top: 56%;
left: 50%;
transform: translate(-50%, -50%) rotate(-3deg);
width: 72px;
height: 72px;
border-radius: 50%;
cursor: pointer;
z-index: 10;
transform: rotate(-4deg);
transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease, opacity 0.5s ease;
z-index: 7;
transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, opacity 0.4s ease;
box-shadow:
0 8px 20px rgba(0, 0, 0, 0.65),
0 2px 6px rgba(0, 0, 0, 0.45);
0 8px 20px rgba(0, 0, 0, 0.7),
0 2px 5px rgba(0, 0, 0, 0.45);
}
.sketched-wax-seal:hover {
transform: rotate(0deg) scale(1.08);
transform: translate(-50%, -50%) rotate(0deg) scale(1.1);
box-shadow:
0 12px 28px rgba(0, 0, 0, 0.75),
0 0 16px rgba(218, 165, 32, 0.4);
0 12px 28px rgba(0, 0, 0, 0.8),
0 0 16px rgba(218, 165, 32, 0.45);
}
.seal-crest-img {
@@ -364,25 +451,43 @@ body {
opacity: 1;
}
/* Letter Inner Layout */
.letter-inner {
position: relative;
z-index: 2;
text-align: center;
/* Open state: Flap opens, seal dissolves, letter slides out */
.envelope-opened .sketched-wax-seal {
animation: breakSealAnim 0.7s forwards;
}
/* Header */
.envelope-opened .envelope-closing-flap {
transform: rotateX(180deg);
z-index: 1;
filter: drop-shadow(0 -4px 6px rgba(50, 35, 10, 0.4));
}
.envelope-opened .letter-sheet {
transform: translateY(-135px) scale(1.06);
z-index: 10;
box-shadow:
0 20px 48px rgba(0, 0, 0, 0.85),
0 0 25px rgba(201, 168, 106, 0.35);
}
@keyframes breakSealAnim {
0% { transform: translate(-50%, -50%) rotate(-3deg) scale(1); opacity: 1; filter: none; }
50% { transform: translate(-50%, -50%) rotate(10deg) scale(1.2); opacity: 0.8; filter: drop-shadow(0 0 25px #ffd700); }
100% { transform: translate(-50%, -50%) rotate(25deg) scale(0.3); opacity: 0; filter: drop-shadow(0 0 40px #ffd700); }
}
/* Letter Content Styles */
.letter-header {
margin-bottom: 16px;
margin-bottom: 8px;
}
.letter-crest-box {
width: 60px;
height: 60px;
margin: 0 auto 8px;
width: 48px;
height: 48px;
margin: 0 auto 4px;
border-radius: 50%;
overflow: hidden;
box-shadow: 0 3px 8px rgba(90, 60, 20, 0.25);
box-shadow: 0 2px 6px rgba(90, 60, 20, 0.25);
border: 1px solid rgba(139, 105, 60, 0.3);
}
@@ -395,26 +500,26 @@ body {
.letter-school-name {
font-family: 'MedievalSharp', Georgia, serif;
font-size: clamp(1.1rem, 3.2vw, 1.4rem);
font-size: clamp(0.95rem, 2.8vw, 1.25rem);
color: #2c1a0c;
text-transform: uppercase;
letter-spacing: 1.5px;
letter-spacing: 1.2px;
font-weight: 700;
margin-bottom: 4px;
margin-bottom: 2px;
text-shadow: 0 1px 1px rgba(255, 255, 255, 0.6);
}
.letter-headmaster {
font-family: 'Caveat', 'Georgia', cursive;
font-size: 1.05rem;
font-size: 0.95rem;
color: #4a331c;
font-style: italic;
line-height: 1.35;
margin-bottom: 10px;
line-height: 1.25;
margin-bottom: 6px;
}
.letter-headmaster span {
font-size: 0.88rem;
font-size: 0.82rem;
color: #6a4c28;
}
@@ -422,10 +527,10 @@ body {
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
gap: 6px;
color: #8c6838;
margin: 8px auto 14px;
max-width: 320px;
margin: 4px auto 8px;
max-width: 260px;
}
.ornament-rule {
@@ -435,7 +540,7 @@ body {
}
.ornament-leaf, .ornament-shield {
font-size: 0.95rem;
font-size: 0.85rem;
}
/* Handwritten Body in Emerald Ink */
@@ -443,22 +548,22 @@ body {
font-family: 'Marck Script', 'Caveat', cursive;
color: #0f3d24; /* Authentic Hogwarts Emerald Ink */
text-align: left;
padding: 0 8px;
line-height: 1.65;
padding: 0 4px;
line-height: 1.5;
text-shadow: 0 0 1px rgba(15, 61, 36, 0.25);
}
.letter-salutation {
font-size: clamp(1.35rem, 4vw, 1.6rem);
font-size: clamp(1.15rem, 3.5vw, 1.4rem);
font-weight: 700;
margin-bottom: 12px;
margin-bottom: 6px;
color: #0a301c;
}
.letter-paragraph {
font-size: clamp(1.18rem, 3.5vw, 1.35rem);
margin-bottom: 14px;
text-indent: 1.5em;
font-size: clamp(1.02rem, 3.0vw, 1.2rem);
margin-bottom: 8px;
text-indent: 1.2em;
}
.letter-paragraph strong {
@@ -468,48 +573,48 @@ body {
/* Signature Block */
.letter-signature-block {
margin-top: 18px;
margin-top: 10px;
text-align: right;
padding-right: 12px;
padding-right: 8px;
font-family: 'Marck Script', 'Caveat', cursive;
color: #0f3d24;
}
.letter-closing {
font-size: 1.25rem;
font-size: 1.1rem;
font-style: italic;
color: #2b4533;
margin-bottom: 4px;
margin-bottom: 2px;
}
.letter-signature-ink {
font-size: clamp(1.6rem, 5vw, 2.05rem);
font-size: clamp(1.4rem, 4.2vw, 1.8rem);
font-weight: 700;
color: #082816;
letter-spacing: 0.5px;
transform: rotate(-2deg);
display: inline-block;
margin-bottom: 2px;
margin-bottom: 1px;
text-shadow: 0 0 1px rgba(8, 40, 22, 0.35);
}
.letter-sign-title {
font-size: 0.95rem;
font-size: 0.88rem;
color: #4a6352;
font-style: italic;
}
/* Controls Below Parchment */
.intro-controls-panel {
margin-top: 15px;
margin-top: 20px;
text-align: center;
}
.intro-subnote {
font-size: 0.92rem;
font-size: 0.95rem;
color: var(--text-muted);
line-height: 1.5;
margin-bottom: 12px;
margin-bottom: 14px;
}
.btn-break-seal {
@@ -524,37 +629,22 @@ body {
box-shadow: 0 10px 28px rgba(201, 168, 106, 0.6);
}
/* Animation on start */
.envelope-opened .sketched-wax-seal {
animation: breakSealAnim 0.8s forwards;
}
.envelope-opened.hogwarts-parchment-letter {
box-shadow: 0 0 35px rgba(201, 168, 106, 0.5), 0 20px 50px rgba(0, 0, 0, 0.8);
transform: scale(0.98);
}
@keyframes breakSealAnim {
0% { transform: rotate(-4deg) scale(1); opacity: 1; filter: none; }
50% { transform: rotate(10deg) scale(1.2); opacity: 0.8; filter: drop-shadow(0 0 25px #ffd700); }
100% { transform: rotate(25deg) scale(0.4); opacity: 0; filter: drop-shadow(0 0 40px #ffd700); }
}
@media (max-width: 480px) {
.hogwarts-parchment-letter {
padding: 28px 18px 20px;
.antique-envelope-scene {
width: min(320px, 92vw);
height: min(205px, 58vw);
margin: 15px auto 25px;
}
.sketched-wax-seal {
top: -18px;
right: 12px;
width: 64px;
height: 64px;
width: 60px;
height: 60px;
top: 56%;
}
.letter-body-handwritten {
padding: 0;
.envelope-opened .letter-sheet {
transform: translateY(-100px) scale(1.04);
}
.letter-paragraph {
text-indent: 1em;
.envelope-front-pocket {
padding-bottom: 14px;
}
}