/* ============================================================
   ABSTRACT SUBMISSION PAGE
   Extracted from shared stylesheet
   ============================================================ */

/* ---------- Main Section ---------- */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Space+Grotesk:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {

  /* ==========================================================
     CORE / DARK
     ========================================================== */

  --ink: #241d33;
  --ink-soft: #5f566d;

  --void: #120c1f;
  --void-soft: #1d1533;
  --void-alt: #291f47;


  /* ==========================================================
     PAPER / LIGHT
     ========================================================== */

  --paper: #faf7f0;
  --paper-raised: #ffffff;
  --parchment: #f2ece0;


  /* ==========================================================
     PRIMARY ACCENT — TERRACOTTA
     ========================================================== */

  --terracotta: #b5502e;
  --terracotta-deep: #8a3a20;
  --terracotta-tint: #f3dfd6;


  /* ==========================================================
     SECONDARY ACCENT — BRONZE
     ========================================================== */

  --bronze: #a9863f;
  --bronze-light: #cba868;
  --bronze-tint: #eee4cf;


  /* ==========================================================
     DIGITAL / FUTURISTIC ACCENT — VIOLET
     ========================================================== */

  --violet: #9b86ff;
  --violet-dim: #7566c9;
  --violet-tint: #e8e3ff;


  /* ==========================================================
     SCIENTIFIC / POSITIVE ACCENT — CYAN
     ========================================================== */

  --cyan: #4fd8c4;
  --cyan-dim: #35a997;
  --cyan-tint: #dff7f2;


  /* ==========================================================
     ALERT / ATTENTION — CORAL
     ========================================================== */

  --coral: #ff7a6b;
  --coral-deep: #d9574b;
  --coral-tint: #ffe4df;


  /* ==========================================================
     LINES / BORDERS
     ========================================================== */

  --line: #d8cbb3;
  --line-strong: #c9b48a;

  --line-dark: rgba(155, 134, 255, 0.28);


  /* ==========================================================
     SHADOWS
     ========================================================== */

  --shadow:
    0 10px 34px rgba(18, 12, 31, 0.22);

  --shadow-soft:
    0 6px 22px rgba(18, 12, 31, 0.12);


  /* ==========================================================
     SYSTEM
     ========================================================== */

  --radius: 3px;
  --max: 1230px;
}

.abstract-submission-section {
    padding: 75px 0 90px;
    background: transparent;
}

.abstract-submission-page {
    position: relative;
    overflow: hidden;
}

.abstract-bg-network {
    pointer-events: none;
}


/* ============================================================
   HEADER
   ============================================================ */

.abstract-header {
    max-width: var(--max);
    margin: 0 auto 42px;
    padding: 0 28px;

    display: flex;
    align-items: flex-end;
    justify-content: space-between;

    gap: 40px;
}


/* Heading */

.abstract-heading {
    max-width: 760px;
}

.abstract-heading h1 {
    margin: 0 0 14px;

    font-family: 'Fraunces', 'Source Serif 4', serif;
    font-size: clamp(2.4rem, 5vw, 4.2rem) !important;
    line-height: .98;
    font-weight: 500;
    font-style: italic;
    letter-spacing: -0.02em;

    color: var(--ink);
}

.abstract-heading h1 span {
    color: var(--teal);
}


/* Description */

.abstract-heading > p {
    max-width: 55ch;

    margin: 0 0 18px;

    color: var(--ink-soft);

    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.02rem;
    line-height: 1.65;
}


/* Required Note */

.required-note {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    font-family: 'IBM Plex Mono', monospace;
    font-size: .67rem;
    letter-spacing: .04em;

    color: var(--ink-soft);
}

.required-note i {
    color: var(--gold);
}

.required-note strong {
    color: var(--eosin);
}


/* ============================================================
   DOWNLOAD TEMPLATE
   ============================================================ */

.template-card {
    width: 245px;
    flex-shrink: 0;

    display: flex;
    align-items: center;
    gap: 15px;

    padding: 17px 18px;

    text-decoration: none;

    background: var(--paper-raised);

    border: 1px solid var(--line-strong);

    color: var(--ink);

    transition:
        background .2s ease,
        border-color .2s ease,
        transform .2s ease;
}

.template-card:hover {
    color: var(--ink) !important;
    background: var(--teal-tint);
    border-color: var(--teal);
    transform: translateY(-2px);
}

.template-icon {
    width: 42px;
    height: 42px;

    flex-shrink: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    /* background: var(--ink); */
    /* color: #fff; */

    font-size: .9rem;
}

.template-card:hover .template-icon {
    background: var(--teal-deep);
}

.template-content {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.template-content strong {
    font-family: 'Space Grotesk', sans-serif;
    font-size: .9rem;
    font-weight: 600;
}

.template-content span {
    font-family: 'IBM Plex Mono', monospace;
    font-size: .62rem;
    line-height: 1.45;
    color: var(--ink-soft);
}


/* ============================================================
   FORM CARD
   ============================================================ */

.abstract-form-card {
    max-width: var(--max);
    margin: 0 auto;

    padding: 42px 28px 38px;

    background: var(--paper-raised);

    border-top: 1px solid var(--line-strong);
    border-bottom: 1px solid var(--line-strong);
}


/* Bootstrap row adjustment */

.abstract-form-card .row {
    --bs-gutter-x: 28px;
    --bs-gutter-y: 0;
}


/* ============================================================
   FIELD
   ============================================================ */

.abstract-field {
    position: relative;
    margin-bottom: 4px;
}


/* Labels */

.abstract-field label {
    display: block;

    margin: 0 0 8px;

    font-family: 'IBM Plex Mono', monospace;
    font-size: .66rem;
    font-weight: 500;
    letter-spacing: .08em;
    text-transform: uppercase;

    color: var(--ink-soft);
}

.abstract-field label span {
    color:red;
    font-weight: 600;
}


/* ============================================================
   INPUTS / SELECTS
   ============================================================ */

.abstract-input {
    width: 100%;
    height: 48px;

    padding: 10px 13px;

    border: 1px solid var(--line-strong);
    border-radius: var(--radius);

    background: #fff;

    color: var(--ink);

    font-family: 'Source Serif 4', Georgia, serif;
    font-size: .98rem;

    outline: none;

    transition:
        border-color .2s ease,
        box-shadow .2s ease,
        background .2s ease;
}


/* Placeholder */

.abstract-input::placeholder {
    color: #91869F;
    opacity: 1;
}


/* Select */

select.abstract-input {
    cursor: pointer;
    appearance: auto;
}


/* Focus */

.abstract-input:focus {
    border-color: var(--teal);

    box-shadow:
        0 0 0 3px rgba(108, 63, 160, .10);

    background: #fff;
}


/* Hover */

.abstract-input:hover {
    border-color: var(--line-strong);
}


/* Invalid */

.abstract-input.is-invalid {
    border-color: var(--eosin) !important;

    box-shadow:
        0 0 0 3px rgba(156, 47, 99, .08);
}


/* ============================================================
   VALIDATION MESSAGE
   ============================================================ */

.field-error {
    display: none;

    margin-top: 7px;

    font-family: 'IBM Plex Mono', monospace;
    font-size: .64rem;
    line-height: 1.45;

    color: red;
}

.field-error.show {
    display: block;
}


/* ============================================================
   FILE UPLOAD
   ============================================================ */

.abstract-upload-section {
    margin-top: 38px;
    padding-top: 34px;

    border-top: 1px solid var(--line);
}


/* Drop Zone */

.abstract-drop-zone {
    position: relative;

    min-height: 235px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    padding: 30px;

    text-align: center;

    background:
        linear-gradient(
            135deg,
            rgba(237, 228, 247, .45),
            rgba(255, 255, 255, .7)
        );

    border: 1px dashed var(--line-strong);

    cursor: pointer;

    transition:
        border-color .2s ease,
        background .2s ease;
}

.abstract-drop-zone:hover {
    border-color: var(--teal);
    background: var(--teal-tint);
}


/* Drag Active */

.abstract-drop-zone.drag-active {
    border-color: var(--teal);
    background: var(--teal-tint);

    box-shadow:
        inset 0 0 0 1px var(--teal);
}


/* Upload Icon */

.upload-cloud {
    width: 54px;
    height: 54px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-bottom: 15px;

    /* background: var(--ink); */
    /* color: #fff; */

    font-size: 1rem;
}

.abstract-drop-zone:hover .upload-cloud,
.abstract-drop-zone.drag-active .upload-cloud {
    background: var(--teal);
}


/* Upload Heading */

.abstract-drop-zone h4 {
    margin: 0 0 6px;

    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.08rem;
    font-weight: 600;
}


/* Upload Paragraph */

.abstract-drop-zone > p {
    margin: 0 0 13px;

    color: var(--ink-soft);

    font-family: 'Source Serif 4', Georgia, serif;
    font-size: .92rem;
}


/* Browse Button */

.abstract-drop-zone label {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    margin: 0;
    padding: 7px 13px;

    border: 1px solid var(--ink);

    color: var(--ink);
    background: transparent;

    font-family: 'IBM Plex Mono', monospace;
    font-size: .65rem;
    letter-spacing: .05em;
    text-transform: uppercase;

    cursor: pointer;

    transition:
        background .2s ease,
        color .2s ease;
}

.abstract-drop-zone label:hover {
    background: var(--ink);
    color: #fff;
}


/* Accepted Formats */

.accepted-format {
    margin-top: 14px;

    font-family: 'IBM Plex Mono', monospace;
    font-size: .61rem;
    line-height: 1.5;

    color: var(--ink-soft);
}

.accepted-format strong {
    color: var(--teal-deep);
    font-weight: 600;
}


/* Selected File */

.selected-file {
    margin-top: 10px;

    max-width: 100%;

    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

    font-family: 'IBM Plex Mono', monospace;
    font-size: .65rem;

    color: var(--gold);
}


/* File Error */

.abstract-upload-section .file-error {
    text-align: center;
}


/* ============================================================
   SUBMIT AREA
   ============================================================ */

.abstract-submit-area {
    display: flex;
    justify-content: flex-end;

    margin-top: 32px;
    padding-top: 28px;

    border-top: 1px solid var(--line);
}


/* Submit Button */

.abstract-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    min-width: 190px;

    padding: 13px 22px;

    border: 1px solid var(--ink);
    border-radius: var(--radius);

    background: var(--ink);
    color: #fff;

    font-family: 'IBM Plex Mono', monospace;
    font-size: .7rem;
    font-weight: 500;

    letter-spacing: .06em;
    text-transform: uppercase;

    cursor: pointer;

    transition:
        background .2s ease,
        border-color .2s ease,
        transform .2s ease;
}

.abstract-submit-btn:hover {
    /* background: var(--teal-deep);
    border-color: var(--teal-deep);
    color: #fff; */
    transform: translateY(-1px);
}

.abstract-submit-btn:disabled {
    opacity: .65;
    cursor: not-allowed;
    transform: none;
}


/* ============================================================
   IMPORTANT INFORMATION
   ============================================================ */

.abstract-important {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 18px;

    margin-top: 34px;
    padding: 22px 24px;

    border: 1px solid var(--line-strong);
    border-left: 3px solid var(--bronze);

    background: var(--paper);
}


/* Icon */

.important-icon {
    width: 38px;
    height: 38px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--bronze);
    color: var(--teal-deep);

    font-size: .9rem;
}


/* Content */

.important-content h4 {
    margin: 0 0 10px;

    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
}

.important-content ul {
    margin: 0;
    padding: 0;

    list-style: none;
}

.important-content li {
    position: relative;

    padding-left: 17px;
    margin-bottom: 5px;

    color: var(--ink-soft);

    font-family: 'Source Serif 4', Georgia, serif;
    font-size: .9rem;
    line-height: 1.55;
}

.important-content li:last-child {
    margin-bottom: 0;
}

.important-content li::before {
    content: "—";

    position: absolute;
    left: 0;

    color: var(--gold);
}


/* ============================================================
   SUCCESS POPUP
   ============================================================ */

.abstract-success-overlay {
    position: fixed;
    inset: 0;

    z-index: 9999;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 20px;

    background: rgba(30, 19, 48, .72);

    backdrop-filter: blur(5px);

    opacity: 0;
    visibility: hidden;

    transition:
        opacity .25s ease,
        visibility .25s ease;
}

.abstract-success-overlay.show {
    opacity: 1;
    visibility: visible;
}


/* Popup */

.abstract-success-popup {
    width: min(480px, 100%);

    padding: 38px 34px;

    text-align: center;

    background: var(--paper-raised);

    border: 1px solid var(--line-strong);
    border-top: 3px solid var(--teal);

    box-shadow: 0 25px 70px rgba(30, 19, 48, .25);

    transform: translateY(15px);

    transition: transform .25s ease;
}

.abstract-success-overlay.show .abstract-success-popup {
    transform: translateY(0);
}


/* Success Icon */

.success-icon {
    width: 58px;
    height: 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin: 0 auto 20px;

    border: 1px solid #D9C6EF;
    border-radius: 50%;

    background: var(--teal-tint);
    color: var(--teal-deep);

    font-size: 1.2rem;
}


/* Success Title */

.abstract-success-popup h3 {
    margin: 0 0 10px;

    font-family: 'Fraunces', 'Source Serif 4', serif;
    font-style: italic;
    font-weight: 500;

    font-size: 1.65rem;
}


/* Success Message */

.abstract-success-popup p {
    max-width: 38ch;

    margin: 0 auto 24px;

    color: var(--ink-soft);

    font-size: .94rem;
    line-height: 1.6;
}


/* Close Button */

.success-close-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 11px 22px;

    border: 1px solid var(--ink);
    border-radius: var(--radius);

    background: var(--ink);
    color: #fff;

    font-family: 'IBM Plex Mono', monospace;
    font-size: .68rem;

    letter-spacing: .05em;
    text-transform: uppercase;

    cursor: pointer;

    transition:
        background .2s ease,
        transform .2s ease;
}

.success-close-btn:hover {
    background: var(--teal-deep);
    transform: translateY(-1px);
}


/* ============================================================
   TABLET
   ============================================================ */

@media (max-width: 900px) {

    .abstract-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 28px;
    }

    .template-card {
        width: 100%;
        max-width: 320px;
    }

    .abstract-form-card {
        padding: 36px 28px;
    }

}


/* ============================================================
   MOBILE
   ============================================================ */

@media (max-width: 767px) {

    .abstract-submission-section {
        padding: 55px 0 65px;
    }

    .abstract-header {
        padding: 0 20px;
        margin-bottom: 30px;
    }

    .abstract-heading h1 {
        font-size: clamp(2.2rem, 12vw, 3.2rem);
    }

    .abstract-heading > p {
        font-size: .95rem;
    }

    .template-card {
        max-width: 100%;
    }

    .abstract-form-card {
        padding: 30px 20px;
    }

    .abstract-form-card .row {
        --bs-gutter-x: 0;
    }

    .abstract-field {
        margin-bottom: 18px;
    }

    .abstract-upload-section {
        margin-top: 15px;
        padding-top: 25px;
    }

    .abstract-drop-zone {
        min-height: 210px;
        padding: 25px 18px;
    }

    .abstract-submit-area {
        margin-top: 22px;
        padding-top: 22px;
    }

    .abstract-submit-btn {
        width: 100%;
    }

    .abstract-important {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 20px;
    }

}


/* ============================================================
   SMALL MOBILE
   ============================================================ */

@media (max-width: 480px) {

    .abstract-submission-section {
        padding: 45px 0 55px;
    }

    .abstract-header {
        padding: 0 16px;
    }

    .abstract-form-card {
        padding: 25px 16px;
    }

    .abstract-heading h1 {
        font-size: 2.15rem;
    }

    .abstract-heading > p {
        font-size: .9rem;
    }

    .required-note {
        align-items: flex-start;
    }

    .template-card {
        padding: 14px;
    }

    .template-icon {
        width: 38px;
        height: 38px;
    }

    .abstract-input {
        height: 46px;
        font-size: .94rem;
    }

    .abstract-drop-zone {
        min-height: 200px;
    }

    .abstract-drop-zone h4 {
        font-size: .98rem;
    }

    .abstract-success-popup {
        padding: 30px 22px;
    }

}


/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {

    .template-card,
    .abstract-input,
    .abstract-submit-btn,
    .abstract-success-overlay,
    .abstract-success-popup {
        transition: none;
    }

}