/**
 * Writer Simulator - Essay writing animation styles
 * Includes parchment effect, typewriter cursor, and pen positioning
 */

/* Dancing Script font - loaded locally */
/* Latin-ext (includes Serbian characters: Č, Ć, Š, Ž, Đ) */
@font-face {
    font-family: 'Dancing Script';
    font-style: normal;
    font-weight: 400 500;
    font-display: swap;
    src: url('../fonts/dancing-script/DancingScript-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF;
}

/* Latin (basic characters) */
@font-face {
    font-family: 'Dancing Script';
    font-style: normal;
    font-weight: 400 500;
    font-display: swap;
    src: url('../fonts/dancing-script/DancingScript-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   Prevent X-axis overflow from pen
   ========================================================================== */

html,
body {
    overflow-x: hidden;
}

/* ==========================================================================
   Essays Page Layout
   ========================================================================== */

.essays-page .page-header {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    text-align: center;
    background: linear-gradient(
        180deg,
        var(--color-bg-secondary) 0%,
        var(--color-bg-primary) 100%
    );
}

.essays-page .page-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.essays-page .page-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
}

.essays-section {
    padding: var(--spacing-2xl) 0;
}

@media (min-width: 768px) {
    .essays-page .page-header {
        padding: var(--spacing-3xl) 0;
    }

    .essays-page .page-title {
        font-size: var(--font-size-4xl);
    }

    .essays-section {
        padding: var(--spacing-3xl) 0;
    }
}

/* ==========================================================================
   Essay Entry Container
   ========================================================================== */

.essay-entry {
    position: relative;
    margin: var(--spacing-2xl) auto;
    max-width: var(--container-narrow);
}

/* ==========================================================================
   Parchment Background
   ========================================================================== */

.essay-parchment {
    position: relative;
    background: linear-gradient(
        to bottom,
        #fffef8 0%,
        #fffef0 20%,
        #faf6e8 80%,
        #f5f0e0 100%
    );
    border-radius: var(--radius-md);
    box-shadow:
        0 1px 1px rgba(0, 0, 0, 0.15),
        0 4px 6px rgba(0, 0, 0, 0.1),
        0 12px 20px rgba(0, 0, 0, 0.1),
        inset 0 0 80px rgba(138, 77, 15, 0.08);
    /* Pen must be visible outside bounds - do NOT use overflow: hidden */
}

/* Paper texture overlay using CSS noise */
.essay-parchment::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    mix-blend-mode: multiply;
}

/* Aged edges effect */
.essay-parchment::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 60px rgba(139, 115, 85, 0.15);
    pointer-events: none;
    border-radius: var(--radius-md);
}

/* Light theme adjustments */
[data-theme="light"] .essay-parchment {
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.1),
        0 8px 16px rgba(0, 0, 0, 0.08),
        inset 0 0 60px rgba(138, 77, 15, 0.05);
}

/* ==========================================================================
   Mode Toggle Buttons
   ========================================================================== */

.essay-mode-toggle {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(139, 115, 85, 0.2);
}

.essay-mode-toggle button {
    padding: var(--spacing-xs) var(--spacing-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    color: #5a4a3a;
    background: transparent;
    border: 1px solid rgba(139, 115, 85, 0.3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.essay-mode-toggle button:hover {
    background: rgba(139, 115, 85, 0.1);
    border-color: rgba(139, 115, 85, 0.5);
}

.essay-mode-toggle button.active {
    background: rgba(139, 115, 85, 0.15);
    border-color: #8b7355;
    color: #3a2a1a;
    font-weight: 500;
}

/* Hide toggle after animation starts */
.essay-entry.is-animating .essay-mode-toggle,
.essay-entry.has-animated .essay-mode-toggle {
    display: none;
}

/* ==========================================================================
   Essay Paper (Content Area)
   ========================================================================== */

.essay-paper {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-2xl) calc(var(--spacing-2xl) + 40px);
    min-height: 300px;
    overflow: visible;
}

/* Essay title */
.essay-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 400;
    color: #2a1a0a;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    line-height: var(--line-height-tight);
}

/* Essay content */
.essay-content {
    position: relative;
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: #2a1a0a;
    text-align: justify;
    -webkit-hyphens: auto;
    hyphens: auto;
}

.essay-content p {
    margin-bottom: var(--spacing-lg);
    text-indent: 2em;
}

.essay-content p:first-child {
    text-indent: 0;
}

/* Placeholder text before animation */
.essay-content[data-text]::before {
    content: '';
}

/* ==========================================================================
   Typewriter Cursor (Typed.js)
   ========================================================================== */

.typed-cursor {
    display: inline-block;
    font-weight: 100;
    color: #2a1a0a;
    opacity: 1;
    animation: typewriter-blink 0.7s infinite;
    margin-left: 2px;
}

@keyframes typewriter-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Hide cursor after animation complete */
.essay-entry.has-animated .typed-cursor {
    display: none;
}

/* ==========================================================================
   Quill Pen (Handwriting Mode)
   ========================================================================== */

.essay-pen {
    --pen-rot-min: 27deg;
    --pen-rot-max: 35deg;
    position: absolute;
    width: 100px;
    height: auto;
    pointer-events: none;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: rotate(30deg);
    transform-origin: bottom center;
    will-change: left, top;
    filter: drop-shadow(2px 4px 3px rgba(0, 0, 0, 0.3));
    /* left and top set by JS */
}

@keyframes pen-writing {
    0% { transform: rotate(var(--pen-rot-min, 27deg)); }
    100% { transform: rotate(var(--pen-rot-max, 35deg)); }
}

/* ==========================================================================
   Skip Button
   ========================================================================== */

.essay-skip {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    color: #5a4a3a;
    background: rgba(255, 254, 240, 0.8);
    border: 1px solid rgba(139, 115, 85, 0.3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.essay-skip:hover {
    background: rgba(255, 254, 240, 0.95);
    border-color: rgba(139, 115, 85, 0.5);
    color: #3a2a1a;
}

/* Show skip button during animation */
.essay-entry.is-animating .essay-skip {
    opacity: 1;
    visibility: visible;
}

/* Hide after animation */
.essay-entry.has-animated .essay-skip {
    display: none;
}

/* ==========================================================================
   Handwriting Mode & Cursive Text - Unified Styles
   Font must be IDENTICAL during animation and after completion
   ========================================================================== */

/* Cursive font variables for consistency */
.essay-entry {
    --cursive-font: 'Dancing Script', cursive;
    --cursive-content-size: var(--font-size-2xl);
    --cursive-title-size: var(--font-size-3xl);
}

/* Apply cursive font - SAME styles for both modes */
.essay-entry.handwriting-mode .essay-content,
.essay-entry.handwriting-mode .essay-content .typed-wrapper,
.essay-entry.cursive-text .essay-content,
.essay-entry.cursive-text .essay-content p {
    font-family: var(--cursive-font);
    font-size: var(--cursive-content-size);
    line-height: var(--cursive-line-height);
    text-align: left;
}

/* Title - SAME styles for both modes */
.essay-entry.handwriting-mode .essay-title,
.essay-entry.cursive-text .essay-title {
    font-family: var(--cursive-font);
    font-size: var(--cursive-title-size);
}

/* Normal text mode (when toggled) */
.essay-entry.normal-text .essay-content {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

.essay-entry.normal-text .essay-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
}

/* ==========================================================================
   Font Toggle Button
   ========================================================================== */

.essay-font-toggle {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    color: #5a4a3a;
    background: rgba(255, 254, 240, 0.8);
    border: 1px solid rgba(139, 115, 85, 0.3);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.essay-font-toggle:hover {
    background: rgba(255, 254, 240, 0.95);
    border-color: rgba(139, 115, 85, 0.5);
    color: #3a2a1a;
}

.essay-font-toggle .toggle-icon {
    display: inline-block;
    font-weight: 500;
}

/* Show cursive icon when in normal mode */
.essay-entry.normal-text .essay-font-toggle .toggle-icon {
    font-family: 'Dancing Script', cursive;
    font-size: 1.1em;
}

/* ==========================================================================
   Waiting State (Queue - only title visible until animation starts)
   ========================================================================== */

.essay-entry.waiting-to-animate .essay-content {
    display: none;
}

.essay-entry.waiting-to-animate .essay-skip {
    display: none;
}

.essay-entry.waiting-to-animate .essay-mode-toggle {
    display: none;
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.essay-entry.is-loading .essay-content {
    opacity: 0.5;
}

.essay-entry.is-loading .essay-content::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 2px solid rgba(139, 115, 85, 0.3);
    border-top-color: #8b7355;
    border-radius: 50%;
    animation: essay-loading 0.8s linear infinite;
}

@keyframes essay-loading {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 767px) {
    .essay-paper {
        padding: var(--spacing-lg) var(--spacing-md) calc(var(--spacing-xl) + 40px);
    }

    .essay-title {
        font-size: var(--font-size-xl);
    }

    .essay-content {
        font-size: var(--font-size-base);
        text-align: left;
        -webkit-hyphens: none;
        hyphens: none;
    }

    .essay-content p {
        text-indent: 1em;
    }

    .essay-pen {
        width: 70px;
        height: auto;
    }

    .essay-mode-toggle {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .essay-mode-toggle button {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .essay-font-toggle {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
        right: var(--spacing-md);
    }

    /* Smaller cursive on mobile - update variables */
    .essay-entry {
        --cursive-content-size: calc(var(--font-size-base) * 1.15);
        --cursive-title-size: var(--font-size-xl);
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .essay-mode-toggle,
    .essay-skip,
    .essay-pen,
    .essay-font-toggle {
        display: none !important;
    }

    .essay-parchment {
        box-shadow: none;
        background: white;
    }

    .essay-parchment::before,
    .essay-parchment::after {
        display: none;
    }

    .essay-content {
        color: black;
    }
}