/* ====================================================
   GİZLİ DOSYA — Cozy Mystery Puzzle
   ==================================================== */

:root {
    --parchment:      #F3E8CA;
    --parchment-mid:  #E8D6A8;
    --parchment-dark: #D4BE88;
    --ink:            #2A1A08;
    --ink-mid:        #5C3A1E;
    --ink-light:      #8B6440;
    --amber:          #C47830;
    --amber-light:    #DFA060;
    --red-stamp:      #8B1A1A;
    --green-stamp:    #1A5C2A;
    --bg:             #1C0F06;
    --shadow:         rgba(0,0,0,0.45);
}

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

/* ── Body ── */
body {
    font-family: 'Special Elite', cursive;
    background-color: var(--bg);
    background-image:
            repeating-linear-gradient(
                    0deg,
                    transparent 0px, transparent 39px,
                    rgba(255,255,255,0.018) 39px, rgba(255,255,255,0.018) 40px
            ),
            repeating-linear-gradient(
                    90deg,
                    transparent 0px, transparent 59px,
                    rgba(255,255,255,0.012) 59px, rgba(255,255,255,0.012) 60px
            );
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

/* ── App wrapper ── */
#app {
    width: 100%;
    max-width: 460px;
}

/* ====================================================
   SCREENS
   ==================================================== */

.screen {
    width: 100%;
    animation: screenIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.screen.hidden { display: none; }

@keyframes screenIn {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ====================================================
   PAPER CARD
   ==================================================== */

.paper {
    background-color: var(--parchment);
    background-image:
            url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E"),
            repeating-linear-gradient(
                    0deg,
                    transparent 0px, transparent 27px,
                    rgba(180,140,80,0.07) 27px, rgba(180,140,80,0.07) 28px
            );
    border-radius: 3px;
    padding: 44px 38px 40px;
    position: relative;
    box-shadow:
            0 2px 4px var(--shadow),
            0 8px 24px var(--shadow),
            0 24px 56px rgba(0,0,0,0.35),
            inset 0 0 80px rgba(200,160,80,0.12);
    border: 1px solid var(--parchment-dark);
}

/* Left margin rule */
.paper::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0; left: 52px;
    width: 1px;
    background: rgba(196,120,58,0.18);
    pointer-events: none;
}

/* ====================================================
   STAMPS
   ==================================================== */

.stamp {
    display: inline-block;
    position: absolute;
    top: 24px; right: 24px;
    border: 3px solid var(--red-stamp);
    color: var(--red-stamp);
    font-size: 13px;
    letter-spacing: 4px;
    padding: 5px 12px;
    transform: rotate(-9deg);
    opacity: 0.82;
    text-transform: uppercase;
    user-select: none;
}

.stamp-green {
    border-color: var(--green-stamp);
    color: var(--green-stamp);
    transform: rotate(-6deg);
}

/* ====================================================
   INTRO — TYPOGRAPHY & LAYOUT
   ==================================================== */

.file-label {
    font-size: 10px;
    letter-spacing: 4px;
    color: var(--ink-light);
    text-transform: uppercase;
    margin-bottom: 22px;
}

.title-main {
    font-family: 'Playfair Display', serif;
    font-size: 58px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.0;
    letter-spacing: 3px;
    margin-bottom: 28px;
}

.divider {
    width: 52px;
    height: 2px;
    background: var(--amber);
    margin-bottom: 26px;
}

.body-text {
    font-family: 'Crimson Text', serif;
    font-size: 17px;
    line-height: 1.85;
    color: var(--ink-mid);
    margin-bottom: 32px;
    font-style: italic;
}

.body-text strong {
    font-style: normal;
    color: var(--amber);
    font-weight: 600;
}

/* ── Progress track ── */
.progress-track {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 36px;
}

.prog-step {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--parchment-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.35s ease;
}

.prog-step span {
    font-size: 10px;
    color: var(--ink-light);
    letter-spacing: 1px;
    transition: color 0.35s;
}

.prog-step.active {
    border-color: var(--amber);
    background: rgba(196,120,48,0.12);
}

.prog-step.active span { color: var(--amber); }

.prog-step.done {
    border-color: var(--green-stamp);
    background: rgba(26,92,42,0.12);
}

.prog-step.done span { color: var(--green-stamp); }

.prog-line {
    flex: 1;
    height: 1px;
    background: var(--parchment-dark);
    margin: 0 6px;
}

/* ── Buttons ── */
.btn-main {
    width: 100%;
    padding: 15px 24px;
    background: var(--ink);
    color: var(--parchment);
    border: none;
    font-family: 'Special Elite', cursive;
    font-size: 13px;
    letter-spacing: 4px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    text-transform: uppercase;
}

.btn-main:hover  { background: var(--amber); transform: translateY(-2px); }
.btn-main:active { transform: translateY(0); }

.deco-corner {
    position: absolute;
    bottom: 18px; right: 22px;
    font-size: 22px;
    opacity: 0.35;
    user-select: none;
}

/* ====================================================
   PUZZLE SCREENS
   ==================================================== */

.badge {
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--ink-light);
    text-transform: uppercase;
    margin-bottom: 18px;
}

.puzzle-title {
    font-family: 'Playfair Display', serif;
    font-size: 34px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 1px;
    margin-bottom: 22px;
}

/* ── Clue box (riddle) ── */
.clue-box {
    border-left: 3px solid var(--amber);
    background: rgba(196,120,48,0.07);
    padding: 20px 22px;
    margin-bottom: 28px;
}

.clue-text {
    font-family: 'Crimson Text', serif;
    font-size: 18px;
    line-height: 2.0;
    color: var(--ink);
    font-style: italic;
}

.hint {
    font-family: 'Crimson Text', serif;
    font-size: 13px;
    color: var(--ink-light);
    margin-top: 10px;
    letter-spacing: 0.3px;
}

/* ── Caesar cipher ── */
.cipher-example {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.example-label {
    font-size: 12px;
    color: var(--ink-light);
    letter-spacing: 1px;
}

.example-pair {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ex-char {
    width: 28px; height: 28px;
    border: 1px solid var(--parchment-dark);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px;
    font-weight: bold;
    color: var(--ink);
}

.ex-char.coded {
    border-color: var(--amber);
    color: var(--amber);
    background: rgba(196,120,48,0.1);
}

.ex-arrow { color: var(--amber-light); font-size: 14px; }

.cipher-word {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.c-letter {
    width: 42px; height: 42px;
    border: 2px solid var(--ink);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    font-family: 'Special Elite', cursive;
    color: var(--ink);
    background: rgba(255,255,255,0.25);
    letter-spacing: 0;
}

/* ── Acrostic ── */
.acrostic-box {
    border: 1px solid var(--parchment-dark);
    background: rgba(196,120,48,0.06);
    padding: 20px 24px;
    margin-bottom: 28px;
}

.acrostic-text {
    font-family: 'Crimson Text', serif;
    font-size: 16px;
    line-height: 2.3;
    color: var(--ink-mid);
}

.fl {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--amber);
}

/* ── Input row ── */
.input-row {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.answer-input {
    flex: 1;
    padding: 13px 16px;
    border: 2px solid var(--parchment-dark);
    background: rgba(255,255,255,0.45);
    font-family: 'Special Elite', cursive;
    font-size: 16px;
    color: var(--ink);
    outline: none;
    transition: border-color 0.2s;
    border-radius: 0;
    -webkit-appearance: none;
}

.answer-input:focus  { border-color: var(--amber); }
.answer-input.error  { border-color: var(--red-stamp); animation: shake 0.38s ease; }
.answer-input.ok     { border-color: var(--green-stamp); }

@keyframes shake {
    0%,100% { transform: translateX(0); }
    20%     { transform: translateX(-7px); }
    40%     { transform: translateX(7px); }
    60%     { transform: translateX(-5px); }
    80%     { transform: translateX(5px); }
}

.btn-submit {
    padding: 13px 22px;
    background: var(--amber);
    color: #fff;
    border: none;
    font-family: 'Special Elite', cursive;
    font-size: 11px;
    letter-spacing: 2px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    text-transform: uppercase;
    flex-shrink: 0;
    border-radius: 0;
}

.btn-submit:hover  { background: var(--ink); transform: translateY(-1px); }
.btn-submit:active { transform: translateY(0); }

/* ── Feedback ── */
.feedback {
    font-family: 'Crimson Text', serif;
    font-size: 15px;
    min-height: 22px;
    transition: opacity 0.3s;
}

.feedback.err { color: var(--red-stamp); }
.feedback.ok  { color: var(--green-stamp); }

/* ====================================================
   FINAL SCREEN
   ==================================================== */

.paper-final {
    text-align: center;
    padding: 52px 36px 44px;
}

.paper-final::after { display: none; } /* remove margin line */

.envelope {
    font-size: 60px;
    display: block;
    margin: 20px 0 36px;
    animation: bob 2.4s ease-in-out infinite;
}

@keyframes bob {
    0%,100% { transform: translateY(0) rotate(-2deg); }
    50%     { transform: translateY(-8px) rotate(2deg); }
}

.final-words {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 36px;
    min-height: 56px;
}

.fw {
    font-family: 'Playfair Display', serif;
    font-size: 38px;
    font-weight: 700;
    color: var(--ink);
    opacity: 0;
    transform: translateY(18px) scale(0.9);
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22,1,0.36,1);
}

.fw.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.final-msg {
    font-family: 'Crimson Text', serif;
    font-size: 18px;
    line-height: 1.9;
    color: var(--ink-mid);
    font-style: italic;
    opacity: 0;
    transition: opacity 0.9s ease;
    margin-bottom: 8px;
}

.final-msg.show { opacity: 1; }

/* ── Floating hearts ── */
#hearts-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 999;
}

.heart {
    position: absolute;
    bottom: -10%;
    font-size: 20px;
    opacity: 0;
    animation: floatUp 3.2s ease-out forwards;
}

@keyframes floatUp {
    0%   { opacity: 0;   transform: translateY(0)      scale(0.4); }
    15%  { opacity: 1; }
    80%  { opacity: 0.6; }
    100% { opacity: 0;   transform: translateY(-110vh) scale(1.3) rotate(20deg); }
}

/* ====================================================
   WORD REVEAL OVERLAY
   ==================================================== */

.word-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 15, 6, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 500;
    animation: overlayIn 0.35s ease both;
}

.word-overlay.hidden { display: none; }

@keyframes overlayIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.word-overlay-inner {
    text-align: center;
    padding: 48px 40px;
    background: var(--parchment);
    max-width: 320px;
    width: 88%;
    border: 1px solid var(--parchment-dark);
    animation: cardPop 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

@keyframes cardPop {
    from { opacity: 0; transform: scale(0.8) translateY(20px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.word-overlay-label {
    font-size: 9px;
    letter-spacing: 4px;
    color: var(--ink-light);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.word-overlay-word {
    font-family: 'Playfair Display', serif;
    font-size: 46px;
    font-weight: 700;
    color: var(--green-stamp);
    margin-bottom: 20px;
    animation: wordStamp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}

@keyframes wordStamp {
    from { opacity: 0; transform: scale(1.4); }
    to   { opacity: 1; transform: scale(1); }
}

.word-overlay-sub {
    font-family: 'Crimson Text', serif;
    font-size: 14px;
    color: var(--ink-light);
    font-style: italic;
    animation: fadeInSub 0.5s ease 0.6s both;
}

@keyframes fadeInSub {
    from { opacity: 0; }
    to   { opacity: 1; }
}



@media (max-width: 480px) {
    body { padding: 16px 12px; align-items: flex-start; }

    .paper { padding: 36px 22px 32px; }
    .paper::after { left: 0; display: none; }

    .title-main { font-size: 44px; }

    .fw { font-size: 30px; }

    .c-letter { width: 36px; height: 36px; font-size: 18px; }

    .stamp { font-size: 12px; top: 18px; right: 16px; padding: 4px 10px; }

    .cipher-example { gap: 8px; }
}