/* --- Global Styles & Variables --- */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --danger-color: #dc3545;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #343a40;
    --border-color: #dee2e6;
    --focus-border-color: #86b7fe;
    --subtle-focus-border: #a0a0a0;
    --white-color: #ffffff;
    --body-font: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.12);
    --transition-speed: 0.25s;
}

html, body { height: 100%; overflow-x: hidden; }
body { background-color: var(--light-gray); font-family: var(--body-font); color: var(--dark-gray); line-height: 1.6; transition: background-color var(--transition-speed) ease; display: flex; flex-direction: column; }
body::-webkit-scrollbar { display: none; }
body { -ms-overflow-style: none; scrollbar-width: none; }

.main-container { width: 100%; max-width: 1200px; padding-top: 1rem; padding-bottom: 1rem; display: flex; flex-direction: column; flex-grow: 1; }

/* --- Typography --- */
.site-title { color: var(--dark-gray); font-weight: 300; letter-spacing: -0.5px; }
.lead { font-weight: 300; }
label { font-weight: 500; color: var(--dark-gray); margin-bottom: 0; display: inline-block; }

/* --- Cards --- */
.card { border: none; border-radius: var(--border-radius-lg); transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease; overflow: hidden; }
.card:hover { box-shadow: var(--shadow-lg) !important; }
.card-header { border-bottom: 1px solid var(--border-color); }
.card-title i { opacity: 0.8; }
.data-card { min-height: 300px; }
.data-card .card-body { position: relative; }
.email-body-card .card-body { padding: 0.75rem; }
#email-body-textarea { min-height: 100px; border-radius: var(--border-radius-md); font-size: 0.95rem; transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease; }
#email-body-textarea:focus { border-color: var(--focus-border-color); box-shadow: 0 0 0 0.2rem rgba(13,110,253,.25); }

/* --- Table Styles --- */
.data-table { border-collapse: separate; border-spacing: 0; }
.table-responsive { border: none; }
.data-table .label-cell { background-color: var(--medium-gray); font-weight: 500; white-space: nowrap; vertical-align: middle; width: 25%; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border-color); border-top: none; border-left: none; transition: background-color var(--transition-speed) ease; position: sticky; left: 0; z-index: 1; }
.data-table tr:hover .label-cell { background-color: #dde3e9; }
.data-table .input-cell { vertical-align: middle; padding: 0.5rem; border-bottom: 1px solid var(--border-color); border-top: none; }
.data-table tr:last-child .label-cell, .data-table tr:last-child .input-cell { border-bottom: none; }

/* --- Editable Fields --- */
.editable-field { display: block; width: 100%; padding: 0.4rem 0.8rem; min-height: calc(1.6em + 0.8rem + 2px); cursor: text; background-color: var(--white-color); border: 1px solid transparent; border-radius: var(--border-radius-md); transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease; }
.editable-field:hover { border-color: var(--border-color); }
.editable-field:focus { outline: none; border-color: var(--subtle-focus-border); background-color: #fdfdfd; box-shadow: none; }
.editable-field.is-placeholder::before, .editable-field:empty::before { content: attr(placeholder); color: var(--secondary-color); font-style: italic; pointer-events: none; display: block; opacity: 0.7; }

/* --- Specific Input Groups --- */
.input-group-text { font-size: 0.85em; background-color: var(--medium-gray); border-color: #ced4da; font-weight: 500; }
.cost-input-cell, .test-period-cell, .agreement-cell { padding: 0.6rem; }
.cost-input.editable-field, .test-period-input.editable-field { padding: 0.25rem 0.5rem; font-size: 0.875rem; min-height: calc(1.5em + 0.5rem + 2px); border: 1px solid #ced4da; border-radius: var(--border-radius-sm); }
.cost-input.editable-field:hover, .test-period-input.editable-field:hover { border-color: #999; }
.cost-input.editable-field:focus, .test-period-input.editable-field:focus { background-color: var(--white-color); border-color: var(--subtle-focus-border); box-shadow: none; }

/* --- Agreement Section Styles --- */
.agreement-options { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 0; }
.form-check-label { font-weight: 400; cursor: pointer; }
.form-check-input { cursor: pointer; }
.form-check-input:checked { background-color: var(--primary-color); border-color: var(--primary-color); }
.form-check-input:focus { box-shadow: 0 0 0 0.15rem rgba(13, 110, 253, 0.25); }

/* --- Buttons & Actions --- */
.btn { border-radius: var(--border-radius-md); padding: 0.75rem 1.25rem; font-weight: 500; transition: all var(--transition-speed) ease; box-shadow: var(--shadow-sm); border: none; display: flex; align-items: center; justify-content: center; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn:disabled { transform: none; box-shadow: none; cursor: not-allowed; opacity: 0.65; }
.btn i.fa-fw { width: 1.25em; }
.btn-success { background-color: var(--success-color); color: var(--white-color); }
.btn-success:hover { background-color: #157347; }
.btn-info { background-color: var(--info-color); color: var(--dark-gray); }
.btn-info:hover { background-color: #31d2f2; }
.btn .spinner-border { width: 1em; height: 1em; margin-right: 0.5em; }

/* --- Status Messages --- */
.status-wrapper { min-height: 1.5em; transition: opacity var(--transition-speed) ease; }
#attachment-status, #status-message { font-weight: 500; font-size: 0.9em; transition: color var(--transition-speed) ease, opacity var(--transition-speed) ease-in-out; display: inline-block; opacity: 1; }
#attachment-status.hidden, #status-message.hidden { opacity: 0; }
#status-message.status-success, #attachment-status.text-success { color: var(--success-color); }
#status-message.status-error { color: var(--danger-color); }
#status-message.status-info { color: var(--primary-color); }
#attachment-status.text-muted, #status-message.text-muted { color: var(--secondary-color) !important; opacity: 0.8; }

/* --- Footer --- */
footer { padding: 1rem 0; }

/* --- Success Modal Styles --- */
#successModal .modal-content {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--shadow-lg);
}
#successModal .modal-body {
    padding: 2rem 1.5rem; /* More padding */
}
#successModal .success-logo {
    max-width: 80px; /* Control logo size */
    height: auto;
    opacity: 0; /* Start hidden for animation */
    transform: scale(0.7);
}
#successModal .success-title {
    font-weight: 500;
    color: var(--success-color);
    margin-top: 0.5rem; /* Space below logo */
    margin-bottom: 0.25rem;
    opacity: 0; /* Start hidden for animation */
    transform: translateY(10px);
}
#successModal p {
    font-size: 0.95rem;
    opacity: 0; /* Start hidden for animation */
    transform: translateY(10px);
}

/* Modal Animation */
.modal-animate.fade .modal-dialog {
    transform: scale(0.9);
    opacity: 0;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}
.modal-animate.show .modal-dialog {
    transform: scale(1);
    opacity: 1;
}
/* Animate content inside modal when shown */
#successModal.show .success-logo {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s ease-out 0.2s, transform 0.4s ease-out 0.2s; /* Delay start */
}
#successModal.show .success-title {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-out 0.3s, transform 0.4s ease-out 0.3s; /* Delay more */
}
#successModal.show p {
     opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-out 0.4s, transform 0.4s ease-out 0.4s; /* Delay most */
}


/* --- General Animations --- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.fade-in { animation: fadeIn 0.6s ease-out forwards; }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.98); } to { opacity: 1; transform: scale(1); } }
.scale-in { opacity: 0; animation: scaleIn 0.4s ease-out forwards; }
.data-card.scale-in { animation-delay: 0.05s; }
.email-body-card.scale-in { animation-delay: 0.1s; }
.actions-card.scale-in { animation-delay: 0.15s; }
@keyframes slideInTop { from { opacity: 0; transform: translateY(-15px); } to { opacity: 1; transform: translateY(0); } }
.slide-in-top { opacity: 0; animation: slideInTop 0.5s ease-out forwards; }

/* --- Responsive Adjustments --- */
@media (max-width: 991.98px) {
    .main-container {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
}

@media (max-width: 767.98px) {
    .site-title {
        font-size: 1.6rem;
        margin-bottom: 0.5rem;
    }

    .lead {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .data-table .label-cell {
        width: 40%;
        white-space: normal;
        font-size: 0.85rem;
        padding: 0.6rem 0.75rem;
    }

    .data-table .input-cell {
        width: 60%;
        padding: 0.6rem 0.75rem;
    }

    .btn-lg {
        padding: 0.65rem 1rem;
        font-size: 0.95rem;
        min-height: 48px; /* Better touch target */
    }

    .actions-card .row > div {
        margin-bottom: 0.75rem;
    }

    .actions-card .row > div:last-child {
        margin-bottom: 0;
    }

    .agreement-options {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }

    .form-check {
        padding: 0.5rem;
    }

    /* Better spacing for mobile */
    .card {
        margin-bottom: 0.75rem !important;
    }

    .card-body {
        padding: 0.75rem;
    }

    /* Textarea larger on mobile */
    #email-body-textarea {
        min-height: 120px;
        font-size: 0.9rem;
    }
}

@media (max-width: 575.98px) {
    .main-container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    header {
        margin-bottom: 0.75rem !important;
    }

    .site-title {
        font-size: 1.4rem;
    }

    .lead {
        font-size: 0.9rem;
    }

    .card {
        border-radius: var(--border-radius-md);
        margin-bottom: 0.5rem !important;
    }

    .card-header h5 {
        font-size: 0.95rem;
    }

    .card-header {
        padding: 0.5rem 0.75rem;
    }

    .card-body {
        padding: 0.5rem;
    }

    /* Stack table rows as cards */
    .data-table .label-cell {
        width: 100%;
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
        background-color: #f1f3f5;
        position: static;
        border-bottom: none;
        font-weight: 600;
    }

    .data-table .input-cell {
        width: 100%;
        padding: 0.5rem 0.75rem;
        border-top: none;
    }

    .data-table tr {
        display: block;
        margin-bottom: 0.75rem;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius-sm);
        overflow: hidden;
    }

    .data-table tbody {
        display: block;
    }

    .editable-field {
        padding: 0.4rem 0.6rem;
        min-height: calc(1.6em + 0.8rem + 2px);
        font-size: 0.9rem;
    }

    .input-group {
        margin-bottom: 0.5rem;
    }

    .input-group:last-child {
        margin-bottom: 0;
    }

    .input-group-text {
        font-size: 0.8rem;
        padding: 0.3rem 0.5rem;
        min-width: 60px;
    }

    .cost-input.editable-field {
        padding: 0.3rem 0.5rem;
        font-size: 0.85rem;
        min-height: calc(1.5em + 0.6rem + 2px);
    }

    /* Full width buttons with better touch targets */
    .btn-lg {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
        min-height: 50px;
    }

    .btn i {
        font-size: 1.1rem;
    }

    footer {
        padding: 0.75rem 0;
        font-size: 0.85rem;
    }

    #email-body-textarea {
        font-size: 0.9rem;
        min-height: 100px;
    }

    /* Modal adjustments */
    #successModal .modal-dialog {
        max-width: 92%;
        margin: 1rem auto;
    }

    #successModal .modal-body {
        padding: 1.5rem 1rem;
    }

    #successModal .success-logo {
        max-width: 60px;
    }

    #successModal .success-title {
        font-size: 1.1rem;
    }

    /* reCAPTCHA responsive */
    .g-recaptcha-wrapper {
        margin-top: 1rem;
        margin-bottom: 0.5rem;
    }

    .g-recaptcha-wrapper > div {
        transform: scale(0.95);
        transform-origin: center center;
    }

    /* Status messages */
    #attachment-status,
    #status-message {
        font-size: 0.85rem;
    }

    .status-wrapper {
        min-height: 2rem;
    }

    /* Select dropdown */
    #data-test_period_duration {
        font-size: 0.85rem;
        padding: 0.5rem;
    }
}

@media (max-width: 380px) {
    .site-title {
        font-size: 1.25rem;
    }

    .form-check-inline {
        margin-right: 0.5rem;
        margin-bottom: 0.5rem;
        display: block;
    }

    .form-check-label {
        font-size: 0.85rem;
    }

    .input-group-text {
        font-size: 0.75rem;
        min-width: 55px;
    }

    .btn-lg {
        font-size: 0.85rem;
        padding: 0.65rem 0.85rem;
    }

    .card-header h5 {
        font-size: 0.9rem;
    }

    .g-recaptcha-wrapper > div {
        transform: scale(0.85);
        transform-origin: center center;
    }

    /* Even smaller text inputs */
    .editable-field {
        font-size: 0.85rem;
        padding: 0.35rem 0.5rem;
    }

    .cost-input.editable-field {
        font-size: 0.8rem;
    }
}

/* Landscape mode adjustments */
@media (max-height: 600px) and (orientation: landscape) {
    .main-container {
        padding-top: 0.25rem;
        padding-bottom: 0.25rem;
    }

    header {
        margin-bottom: 0.5rem !important;
    }

    .card {
        margin-bottom: 0.5rem !important;
    }

    .data-card {
        min-height: auto;
    }

    .data-card .card-body {
        max-height: 40vh;
        overflow-y: auto;
    }
}

/* Touch interactions */
@media (hover: none) and (pointer: coarse) {
    /* Mobile touch devices */
    .btn:active {
        transform: scale(0.97);
    }

    .editable-field:focus {
        background-color: #fffef0;
    }

    .form-check-input,
    .form-control,
    .btn {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    }
}

/* !! ADDED: reCAPTCHA Styling !! */
.g-recaptcha-wrapper {
    margin-top: 1rem; /* Add some space above */
    margin-bottom: 0.5rem; /* Add some space below */
}
/* --- End reCAPTCHA Styling --- */