/* ═══════════════════════════════════════════
   COLLAB — страница сотрудничества
   ═══════════════════════════════════════════ */

.page {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
    overflow: hidden;
    padding: 3px;
}

/* ─── Основной контент ─── */
.collab-content {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 731px;
    gap: 24px;
}

/* ─── Левый блок: текст ─── */
.collab-text-wrap {
    position: relative;
}

.collab-text {
    height: 100%;
    padding: 30px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.collab-text-title {
    font-family: var(--font-kiril);
    font-size: 24px;
    font-weight: 400;
    color: var(--text);
    text-transform: uppercase;
}

.collab-text-body {
    font-family: var(--font-kiril);
    font-size: 22px;
    font-weight: 400;
    line-height: 100%;
    color: var(--text);
}

.collab-text-item {
    font-family: var(--font-kiril);
    font-size: 22px;
    font-weight: 400;
    color: var(--text);
}

/* ─── Правый блок: форма ─── */
.collab-form-wrap {
    position: relative;
}

.collab-form-panel {
    height: 100%;
    padding: 30px 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.collab-form-title {
    font-family: var(--font-kiril);
    font-size: 24px;
    font-weight: 400;
    color: var(--text);
    text-transform: uppercase;
}

/* ─── Поля ввода ─── */
.collab-form {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
    min-height: 0;
}

.collab-field-wrap {
    position: relative;
    flex-shrink: 0;
}

.collab-field-wrap .glass-glow,
.collab-field-wrap .glass {
    --cs: 0;
}

.collab-input {
    display: block;
    width: 100%;
    height: 42px;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-kiril);
    font-size: 20px;
    color: var(--text);
    text-transform: uppercase;
    text-align: center;
    padding: 0 12px;
    cursor: text;
    transition: color 0.2s;
}

.collab-input::placeholder {
    color: var(--dim);
    transition: color 0.2s;
}

.collab-field-wrap:hover .glass-glow,
.collab-field-wrap:focus-within .glass-glow {
    --color: var(--blue);
}

.collab-field-wrap:hover .glass,
.collab-field-wrap:focus-within .glass {
    box-shadow:
        0px 4px 4px 0px #00000040,
        0px 4px 33.4px 0px #00e3ffcc inset;
}

.collab-field-wrap:hover .collab-input,
.collab-field-wrap:focus-within .collab-input {
    color: var(--blue);
}

.collab-field-wrap:hover .collab-input:not(:focus)::placeholder {
    color: var(--blue);
}

.collab-input:focus::placeholder {
    color: transparent;
}

.collab-input:-webkit-autofill,
.collab-input:-webkit-autofill:hover,
.collab-input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px rgba(16, 21, 31, 0.95) inset;
    box-shadow: 0 0 0 1000px rgba(16, 21, 31, 0.95) inset;
    -webkit-text-fill-color: var(--text);
    caret-color: var(--text);
    transition: background-color 5000s ease-in-out 0s;
}

.collab-field-wrap:hover .collab-input:-webkit-autofill,
.collab-field-wrap:focus-within .collab-input:-webkit-autofill {
    -webkit-text-fill-color: var(--blue);
    caret-color: var(--blue);
}

/* ─── Кнопка отправки ─── */
.collab-submit-wrap {
    align-self: flex-end;
}

.collab-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--font-kiril);
    font-size: 20px;
    color: var(--text);
    text-transform: uppercase;
    transition: color 0.2s;
    padding: 0;
}

.collab-submit-btn:hover {
    color: var(--blue);
}

.collab-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ═══════════════════════════════════════════
   ПЛАНШЕТ — ≤ 1200px
   ═══════════════════════════════════════════ */
@media (max-width: 1200px) {
    .collab-content {
        grid-template-columns: 1fr 520px;
        gap: 16px;
    }

    .collab-text-title {
        font-size: 20px;
    }

    .collab-text-body,
    .collab-text-item {
        font-size: 18px;
    }

    .collab-form-title {
        font-size: 20px;
    }

    .collab-input {
        font-size: 17px;
    }
}

/* ═══════════════════════════════════════════
   МОБИЛЬ — ≤ 900px
   ═══════════════════════════════════════════ */
@media (max-width: 900px) {
    html,
    body {
        height: auto;
        min-height: 100vh;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .page {
        overflow: visible;
        flex: none;
        gap: 12px;
    }

    .page-back-wrap {
        display: none;
    }

    .collab-form {
        gap: 20px;
    }

    .collab-content {
        display: flex;
        flex-direction: column;
        flex: none;
        gap: 24px;
        overflow: visible;
        margin-bottom: 50px;
    }

    .collab-text {
        height: auto;
        overflow: visible;
        padding: 30px;
    }

    .collab-text-title {
        font-size: 20px;
    }

    .collab-text-body,
    .collab-text-item {
        font-size: 14px;
        line-height: 1.55;
    }
    
    .collab-form-wrap > .glass::before,
    .collab-form-wrap > .glass-glow,
    .collab-form-wrap > .panel-edge {
        display: none;
    }

    .collab-form-panel {
        height: auto;
        overflow: visible;
        padding: 0;
        gap: 20px;
        background: transparent;
        box-shadow: none;
        clip-path: none;
        backdrop-filter: none;
    }

    .collab-form-title {
        text-align: center;
        font-size: 16px;
        font-weight: 600;
    }

    .collab-submit-wrap {
        align-self: center;
        margin-top: 10px;
    }
}