/* =========================================================================
   STYLE.CSS - Scrapbook / Coquette / Vintage Journaling Portfolio
   ธีมสี: ชมพูพาสเทล, ชมพูอ่อน, น้ำตาลช็อกโกแลต, น้ำตาลครีม, ครีมกระดาษ
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Mali:ital,wght@0,300;0,400;0,600;0,700;1,300&family=Pinyon+Script&family=Sarabun:wght@300;400;500;600&family=Special+Elite&display=swap');

:root {
    /* ธีมสีหลัก (Light Mode) */
    --color-pink-pastel: #F4C6D7;
    --color-pink-soft: #FBE4EC;
    --color-pink-deep: #E8A5BD;
    --color-choco: #5C3D3A;
    --color-choco-light: #7A5350;
    --color-choco-dark: #3F2826;
    --color-cream-brown: #C9A99A;
    --color-cream-paper: #FFF6E9;
    --color-cream-card: #FFFAF2;
    --color-paper-edge: #EBD8C8;
    --color-tape-pink: rgba(244, 198, 215, 0.85);
    --color-tape-cream: rgba(255, 246, 233, 0.85);
    --color-shadow: rgba(92, 61, 58, 0.12);
    --color-shadow-deep: rgba(92, 61, 58, 0.22);

    /* ตัวแปรฟอนต์ */
    --font-script: 'Pinyon Script', cursive;
    --font-body: 'Cormorant Garamond', 'Mali', serif;
    --font-typewriter: 'Special Elite', 'Mali', monospace;
    --font-thai: 'Mali', 'Sarabun', sans-serif;
}

/* โหมดมืด (Dark Chocolate Coquette Vintage Mode) */
html.dark {
    --color-pink-pastel: #F4A6C0;
    --color-pink-soft: #43282C;
    --color-pink-deep: #FFA4C4;
    --color-choco: #FFF6E9;
    --color-choco-light: #ECD5D2;
    --color-choco-dark: #1F1413;
    --color-cream-brown: #C9A99A;
    --color-cream-paper: #281A18;
    --color-cream-card: #382421;
    --color-paper-edge: #4F322E;
    --color-tape-pink: rgba(244, 166, 192, 0.55);
    --color-tape-cream: rgba(85, 52, 48, 0.75);
    --color-shadow: rgba(0, 0, 0, 0.4);
    --color-shadow-deep: rgba(0, 0, 0, 0.65);
}

/* Base Document Styles */
body {
    background-color: var(--color-cream-paper);
    color: var(--color-choco);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* ฟอนต์คลาสใช้งานสะดวก */
.font-script {
    font-family: var(--font-script);
}

.font-typewriter {
    font-family: var(--font-typewriter);
}

.font-thai {
    font-family: var(--font-thai);
}

/* Custom Scrollbar แนววินเทจ */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-cream-paper);
}
::-webkit-scrollbar-thumb {
    background: var(--color-cream-brown);
    border-radius: 8px;
    border: 2px solid var(--color-cream-paper);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-pink-deep);
}

/* =========================================================================
   CSS PATTERNS: Polka Dots, Gingham, Grid
   ========================================================================= */

/* ลายจุด Polka Dot น่ารัก */
.pattern-polka-dot {
    background-color: var(--color-cream-paper);
    background-image: radial-gradient(var(--color-pink-pastel) 18%, transparent 20%),
                      radial-gradient(var(--color-cream-brown) 18%, transparent 20%);
    background-position: 0 0, 15px 15px;
    background-size: 30px 30px;
}

html.dark .pattern-polka-dot {
    background-color: var(--color-cream-paper);
    background-image: radial-gradient(rgba(244, 166, 192, 0.12) 18%, transparent 20%),
                      radial-gradient(rgba(201, 169, 154, 0.1) 18%, transparent 20%);
}

/* ลายตารางผ้าถัก Gingham */
.pattern-gingham {
    background-color: var(--color-cream-paper);
    background-image: 
        linear-gradient(45deg, rgba(244, 198, 215, 0.25) 25%, transparent 25%, transparent 75%, rgba(244, 198, 215, 0.25) 75%, rgba(244, 198, 215, 0.25)),
        linear-gradient(45deg, rgba(244, 198, 215, 0.25) 25%, transparent 25%, transparent 75%, rgba(244, 198, 215, 0.25) 75%, rgba(244, 198, 215, 0.25));
    background-position: 0 0, 12px 12px;
    background-size: 24px 24px;
}

/* ลายสมุดเส้นกริด Vintage Notebook Grid */
.pattern-notebook-grid {
    background-size: 24px 24px;
    background-image: 
        linear-gradient(to right, rgba(92, 61, 58, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(92, 61, 58, 0.06) 1px, transparent 1px);
}

html.dark .pattern-notebook-grid {
    background-image: 
        linear-gradient(to right, rgba(255, 246, 233, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 246, 233, 0.04) 1px, transparent 1px);
}

/* =========================================================================
   SCRAPBOOK ELEMENTS: Washi Tape, Torn Paper, Paper Drop Shadows
   ========================================================================= */

/* เงากระดาษซ้อนกันหลายชั้น (Layered Paper Shadows) */
.paper-shadow {
    box-shadow: 
        0 2px 4px rgba(92, 61, 58, 0.04),
        0 8px 16px var(--color-shadow),
        0 16px 32px rgba(92, 61, 58, 0.06);
}

.paper-shadow-lg {
    box-shadow: 
        0 4px 6px rgba(92, 61, 58, 0.05),
        0 14px 28px var(--color-shadow-deep),
        0 24px 44px rgba(92, 61, 58, 0.1);
}

/* เทปวาชิ (Washi Tape) สไตล์คาดมุมและคาดขอบ */
.washi-tape {
    position: absolute;
    height: 28px;
    background: repeating-linear-gradient(
        -45deg,
        var(--color-pink-pastel),
        var(--color-pink-pastel) 8px,
        rgba(255, 255, 255, 0.6) 8px,
        rgba(255, 255, 255, 0.6) 16px
    );
    opacity: 0.88;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    z-index: 20;
    pointer-events: none;
    clip-path: polygon(
        0% 8%, 3% 0%, 97% 0%, 100% 8%,
        98% 92%, 94% 100%, 6% 100%, 1% 92%
    );
    filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.1));
}

.washi-tape-cream {
    background: repeating-linear-gradient(
        45deg,
        var(--color-cream-brown),
        var(--color-cream-brown) 6px,
        rgba(255, 246, 233, 0.8) 6px,
        rgba(255, 246, 233, 0.8) 12px
    );
}

.washi-tape-pink-dots {
    background-color: var(--color-pink-pastel);
    background-image: radial-gradient(#fff 20%, transparent 20%);
    background-size: 8px 8px;
}

/* Washi Tape ตำแหน่งต่างๆ */
.washi-top-left {
    top: -12px;
    left: 20px;
    width: 90px;
    transform: rotate(-4deg);
}

.washi-top-right {
    top: -12px;
    right: 20px;
    width: 90px;
    transform: rotate(4deg);
}

.washi-top-center {
    top: -14px;
    left: 50%;
    transform: translateX(-50%) rotate(-1deg);
    width: 110px;
}

.washi-corner-tl {
    top: -10px;
    left: -15px;
    width: 80px;
    transform: rotate(-35deg);
}

.washi-corner-tr {
    top: -10px;
    right: -15px;
    width: 80px;
    transform: rotate(35deg);
}

/* ขอบกระดาษฉีก (Torn Paper Edge) */
.torn-paper-edge-top {
    clip-path: polygon(
        0% 8px, 2% 0px, 4% 9px, 7% 1px, 9% 7px, 12% 0px, 15% 8px, 18% 2px, 21% 9px, 24% 0px,
        27% 7px, 30% 1px, 33% 8px, 36% 2px, 39% 9px, 42% 1px, 45% 7px, 48% 0px, 51% 8px, 54% 2px,
        57% 9px, 60% 0px, 63% 7px, 66% 1px, 69% 8px, 72% 2px, 75% 9px, 78% 1px, 81% 7px, 84% 0px,
        87% 8px, 90% 2px, 93% 9px, 96% 1px, 98% 7px, 100% 0px,
        100% 100%, 0% 100%
    );
}

.torn-paper-edge-bottom {
    clip-path: polygon(
        0% 0%, 100% 0%,
        100% calc(100% - 8px), 98% 100%, 96% calc(100% - 7px), 93% calc(100% - 1px), 90% calc(100% - 9px), 87% calc(100% - 2px),
        84% calc(100% - 8px), 81% 100%, 78% calc(100% - 7px), 75% calc(100% - 1px), 72% calc(100% - 9px), 69% calc(100% - 2px),
        66% calc(100% - 8px), 63% calc(100% - 1px), 60% calc(100% - 7px), 57% 100%, 54% calc(100% - 9px), 51% calc(100% - 2px),
        48% calc(100% - 8px), 45% calc(100% - 0px), 42% calc(100% - 7px), 39% calc(100% - 1px), 36% calc(100% - 9px), 33% calc(100% - 2px),
        30% calc(100% - 8px), 27% calc(100% - 1px), 24% calc(100% - 7px), 21% 100%, 18% calc(100% - 9px), 15% calc(100% - 2px),
        12% calc(100% - 8px), 9% 100%, 7% calc(100% - 7px), 4% calc(100% - 1px), 2% calc(100% - 9px), 0% calc(100% - 2px)
    );
}

/* รอยเย็บตะเข็บผ้า/กระดาษ (Stitched Border) */
.stitched-border {
    border: 2px dashed var(--color-cream-brown);
    border-radius: 8px;
}

/* =========================================================================
   ROTATIONS & HOVER DYNAMICS (Scrapbook Tilt)
   ========================================================================= */

.tilt-left-1 { transform: rotate(-1.5deg); }
.tilt-right-1 { transform: rotate(1.5deg); }
.tilt-left-2 { transform: rotate(-2.5deg); }
.tilt-right-2 { transform: rotate(2.5deg); }
.tilt-left-3 { transform: rotate(-3.5deg); }
.tilt-right-3 { transform: rotate(3.5deg); }

.scrapbook-card {
    transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.35s ease;
    will-change: transform;
}

.scrapbook-card:hover {
    transform: translateY(-8px) rotate(0deg) scale(1.015) !important;
    box-shadow: 0 16px 36px var(--color-shadow-deep);
    z-index: 15;
}

/* =========================================================================
   POLAROID & ID CARD
   ========================================================================= */

.polaroid-frame {
    background: #FFFDF9;
    padding: 14px 14px 22px 14px;
    border: 1px solid rgba(201, 169, 154, 0.4);
    box-shadow: 2px 6px 18px rgba(92, 61, 58, 0.12);
}

html.dark .polaroid-frame {
    background: #3B2623;
    border-color: rgba(244, 166, 192, 0.25);
}

/* กรอบการ์ด ID นักศึกษา */
.id-card-wrapper {
    background: linear-gradient(135deg, #FFFDF9 0%, #FFF5EA 100%);
    border: 2px solid var(--color-pink-pastel);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

html.dark .id-card-wrapper {
    background: linear-gradient(135deg, #382421 0%, #2A1A18 100%);
    border-color: var(--color-pink-pastel);
}

.id-card-lanyard-hole {
    width: 48px;
    height: 12px;
    background: var(--color-cream-paper);
    border: 2px solid var(--color-cream-brown);
    border-radius: 10px;
    margin: 8px auto 4px auto;
}

/* =========================================================================
   STICKERS & BADGES (Skills Section)
   ========================================================================= */

.sticker-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: #FFFDF9;
    border: 1.5px solid var(--color-cream-brown);
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 1px 3px 6px rgba(92, 61, 58, 0.08);
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    user-select: none;
    cursor: default;
}

.sticker-badge:hover {
    transform: translateY(-4px) scale(1.08) rotate(-1.5deg);
    border-color: var(--color-pink-deep);
    box-shadow: 2px 6px 12px var(--color-shadow);
    background: var(--color-pink-soft);
}

html.dark .sticker-badge {
    background: #382421;
    border-color: #5C3D3A;
    color: #FFF6E9;
}

html.dark .sticker-badge:hover {
    background: #4A2E2A;
    border-color: var(--color-pink-pastel);
}

/* สติกเกอร์หัวใจ/แสตมป์ */
.stamp-badge {
    border: 2px dotted var(--color-pink-deep);
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    font-family: var(--font-typewriter);
    font-size: 0.75rem;
    letter-spacing: 1px;
}

/* =========================================================================
   OPEN NOTEBOOK (Work Experience Section)
   ========================================================================= */

.open-notebook {
    background: var(--color-cream-card);
    border-radius: 16px;
    position: relative;
    border: 1.5px solid rgba(201, 169, 154, 0.45);
    box-shadow: 
        0 12px 36px rgba(92, 61, 58, 0.1),
        0 2px 8px rgba(92, 61, 58, 0.05);
}

/* ริบบิ้นที่คั่นหน้าสมุด (Bookmark Ribbon) ห้อยที่มุมบนขวาอย่างสวยงาม ไม่บังการ์ดและตัวหนังสือ */
.notebook-ribbon {
    position: absolute;
    top: -12px;
    right: 42px;
    width: 22px;
    height: 75px;
    background: var(--color-pink-pastel);
    box-shadow: 0 4px 10px rgba(92, 61, 58, 0.25);
    z-index: 20;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
    transition: transform 0.3s ease;
}

.notebook-ribbon:hover {
    transform: translateY(4px);
}

/* =========================================================================
   STICKY NOTE TOAST NOTIFICATION
   ========================================================================= */

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

.sticky-toast {
    pointer-events: auto;
    width: 280px;
    padding: 16px 18px 18px 18px;
    background: #FFFDF0;
    border: 1px solid #E6D8A8;
    color: #4A3525;
    font-family: var(--font-typewriter);
    font-size: 0.95rem;
    box-shadow: 2px 8px 20px rgba(92, 61, 58, 0.18);
    position: relative;
    transform: rotate(2deg);
    animation: toastPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.sticky-toast.toast-pink {
    background: #FFF0F5;
    border-color: #F4C6D7;
}

.sticky-toast.toast-error {
    background: #FFF0F0;
    border-color: #FFB3B3;
    color: #8C2E2E;
}

.sticky-toast::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%) rotate(-2deg);
    width: 70px;
    height: 18px;
    background: rgba(244, 198, 215, 0.8);
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

@keyframes toastPop {
    from {
        opacity: 0;
        transform: translateY(30px) rotate(6deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotate(1.5deg) scale(1);
    }
}

.toast-fade-out {
    opacity: 0;
    transform: translateY(15px) scale(0.9) !important;
}

/* =========================================================================
   SCROLL ANIMATIONS (IntersectionObserver)
   ========================================================================= */

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* =========================================================================
   FALLBACK DECORATIVE BADGES & ICONS (If PNG not yet uploaded)
   ========================================================================= */

.deco-fallback-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 2px 4px rgba(92, 61, 58, 0.15));
    user-select: none;
    pointer-events: none;
}

/* =========================================================================
   MODAL DIALOG STYLING
   ========================================================================= */

.scrapbook-modal-backdrop {
    background: rgba(43, 27, 25, 0.65);
    backdrop-filter: blur(4px);
}

.scrapbook-modal-card {
    background: var(--color-cream-card);
    border: 2px solid var(--color-pink-pastel);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border-radius: 14px;
}

html.dark .scrapbook-modal-card {
    background: #36221F;
    border-color: #7A4E48;
}

/* Lightbox Frame */
.lightbox-container {
    background: rgba(30, 18, 16, 0.88);
    backdrop-filter: blur(6px);
}