/* ================================================================
   UTILITIES — Componentes reutilizables
   Aquí van: reset, helpers, botones, alertas, formulario base,
   checkboxes, file fields, modales, spinners, animaciones.
   NO va nada específico de una sola página.
   ================================================================ */

/* ─── Reset ──────────────────────────────────────────────────── */
* {
    box-sizing: border-box;
}

/* ─── Helpers ────────────────────────────────────────────────── */
.hidden {
    display: none !important;
}

/* ─── Animaciones ────────────────────────────────────────────── */
.shake {
    animation: shake 0.32s ease-in-out;
}

@keyframes shake {
    0%   { transform: translateX(0); }
    25%  { transform: translateX(-4px); }
    50%  { transform: translateX(4px); }
    75%  { transform: translateX(-3px); }
    100% { transform: translateX(0); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ─── Alertas ────────────────────────────────────────────────── */
.alert {
    border: 1px solid var(--error-border);
    background: var(--error-bg);
    color: var(--error-text);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: 18px;
    font-size: var(--text-base);
}

.alert.success {
    border-color: #9bd5a7;
    background: #effaf1;
    color: #1f6f37;
}

.alert.info {
    border-color: #a7c4f2;
    background: #eef4ff;
    color: #2c4b7c;
}

/* ─── Step pill ──────────────────────────────────────────────── */
.step-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 6px var(--space-3);
    background: #eff4f1;
    border-radius: var(--radius-full);
    color: var(--muted);
    font-size: var(--text-xs);
    font-weight: 600;
    margin-bottom: 10px;
    align-self: flex-start;
}

/* ─── Botones ────────────────────────────────────────────────── */
.primary-btn,
.ghost-btn,
.header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: var(--space-11);
    padding: 0 var(--space-5);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-family: inherit;
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

.primary-btn {
    background: var(--green-600);
    color: #ffffff;
    border-color: var(--green-600);
}

.primary-btn:hover {
    background: var(--green-600-hover);
    border-color: var(--green-600-hover);
}

.primary-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.ghost-btn {
    background: var(--surface-card);
    color: var(--text);
    border-color: var(--border);
}

.ghost-btn:hover {
    background: var(--surface-page);
}

.primary-btn.sm,
.ghost-btn.sm {
    min-height: 40px;
    padding: 0 var(--space-4);
    font-size: var(--text-sm);
}

.header-cta {
    background: var(--green-600);
    color: #ffffff;
    border-color: var(--green-600);
}

.header-cta:hover {
    background: var(--green-600-hover);
    border-color: var(--green-600-hover);
}

.header-cta svg {
    width: 18px;
    height: 18px;
}

/* ─── Spinner ────────────────────────────────────────────────── */
.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #ffffff;
    border-radius: var(--radius-full);
    animation: spin 0.7s linear infinite;
}

/* ─── Formulario base ────────────────────────────────────────── */
.form-shell {
    background: var(--surface-card);
    border-radius: var(--radius-lg);
    padding: clamp(var(--space-6), 4vw, var(--space-10));
    border: 1px solid var(--border);
    box-shadow: 0 24px 48px var(--shadow);
    width: 100%;
    max-width: 780px;
}

.form-head {
    margin-bottom: var(--space-6);
}

.form-head h1 {
    font-size: var(--text-2xl);
    margin: var(--space-3) 0 var(--space-2);
    color: var(--green-600);
}

.subhead {
    margin: 0;
    color: var(--text-subtle);
    line-height: 1.75;
}

.subhead span {
    display: block;
}

.form-note {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-subtle);
    line-height: 1.6;
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* ─── Sección dentro de formulario ──────────────────────────── */
.section {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.section h2 {
    font-size: var(--text-lg);
    margin: 0;
    color: var(--text-subtle);
}

/* ─── Acciones (área de botón) ───────────────────────────────── */
.actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
}

.footnote {
    font-size: var(--text-xs);
    color: var(--muted);
    line-height: 1.5;
    margin: 0;
    text-align: center;
}

/* ─── Grillas de campos ──────────────────────────────────────── */
.field-grid {
    display: grid;
    gap: var(--space-4);
}

.field-grid.two   { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.field-grid.compact { gap: var(--space-3); }

.field-grid.phone-split {
    grid-template-columns: minmax(90px, 120px) minmax(0, 1fr);
}

.field-grid.phone-split-3 {
    grid-template-columns: minmax(90px, 120px) minmax(0, 220px) minmax(90px, 120px);
    justify-content: start;
}

.field-grid.phone-split-3 > .field > label {
    min-height: 32px;
    display: flex;
    align-items: flex-end;
}

/* ─── Campo individual ───────────────────────────────────────── */
.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.field.span-2 { grid-column: span 2; }
.field.span-3 { grid-column: span 3; }

.field label {
    font-size: var(--text-sm);
    color: var(--muted);
}

.label-required::after {
    content: ' *';
    color: #d93025;
    font-weight: 600;
}

.field input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
.field select,
.field textarea {
    width: 100%;
    min-height: 36px;
    height: 36px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface-card);
    font-family: inherit;
    font-size: 14px;
    color: var(--text);
    transition: var(--transition);
}

.field select {
    background: var(--surface-card);
}

.field textarea {
    min-height: 96px;
    resize: vertical;
}

.field input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--border);
    box-shadow: none;
    background: var(--surface-focus);
}

.select2-container--default .select2-selection--single {
    min-height: 36px;
    height: 36px;
    padding: 6px 12px;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    padding: 0;
    line-height: 1.2;
    color: var(--text);
}

.select2-container--default .select2-selection--single .select2-selection__placeholder {
    color: var(--muted);
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 100%;
    right: 10px;
}

.select2-container--default.select2-container--open .select2-selection--single,
.select2-container--default.select2-container--focus .select2-selection--single {
    box-shadow: none;
    background: var(--surface-focus);
}

.select2-dropdown {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 18px 28px rgba(16, 36, 27, 0.12);
    overflow: hidden;
}

.select2-container--default .select2-search--dropdown .select2-search__field {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--space-3) 14px;
    outline: none;
}

.field-error {
    font-size: var(--text-xs);
    color: var(--error-text);
}

.input-error {
    border-color: var(--error-border) !important;
    box-shadow: 0 0 0 3px var(--error-shadow);
    background: var(--error-bg) !important;
}

/* ─── Checkboxes ─────────────────────────────────────────────── */
.checkbox-inline {
    min-height: 36px;
    padding: 0 10px;
}

.checkbox-inline input {
    margin: 0;
    width: auto;
    padding: 0;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-3);
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: var(--space-3) 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-card);
    font-size: var(--text-sm);
    color: var(--text);
    cursor: pointer;
}

.checkbox-item input {
    margin-top: 2px;
    flex-shrink: 0;
    width: auto;
    padding: 0;
}

.checkbox-item span {
    flex: 1 1 auto;
    min-width: 0;
    overflow-wrap: anywhere;
}

/* ─── File fields ────────────────────────────────────────────── */
.file-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

.file-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-page);
    cursor: pointer;
    transition: var(--transition);
}

.file-field:hover,
.file-field.has-file {
    border-color: var(--green-600);
    background: var(--surface-hover);
}

.file-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text);
}

.file-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.file-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 14px;
    border-radius: var(--radius-sm);
    background: var(--green-600);
    color: #ffffff;
    font-size: var(--text-sm);
    font-weight: 600;
}

.file-name {
    font-size: var(--text-xs);
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-input {
    display: none;
}

/* ─── Modales ────────────────────────────────────────────────── */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(15, 20, 17, 0.45);
    backdrop-filter: blur(4px);
    z-index: 1000;
    overflow-y: auto;
}

.modal-card {
    background: var(--surface-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: 0 24px 48px var(--shadow);
    padding: var(--space-10) 32px;
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.modal-card-lg {
    max-width: 760px;
    align-self: flex-start;
    margin-top: 24px;
    margin-bottom: 24px;
}

.modal-card-lg .modal-body {
    max-width: 100%;
    gap: var(--space-4);
}

.modal-card-lg .step-pill {
    margin-bottom: 0;
}

.modal-card-lg p.form-note {
    margin: 0;
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.modal-body {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

/* Ícono centrado en modales pequeños */
.modal-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--mint-100);
    color: var(--green-600);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 6px;
}

.modal-icon svg {
    width: 24px;
    height: 24px;
}

/* Títulos de modal — misma escala que form-head h1 */
.modal-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
    color: var(--green-600);
    text-align: center;
}

.modal-head .modal-title {
    text-align: justify;
}

.modal-text {
    margin: 0;
    color: var(--text-subtle);
    font-size: var(--text-md);
    line-height: 1.8;
    text-align: center;
}

.modal-email {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    min-height: var(--space-11);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--surface-page);
    border: 1px solid var(--border);
    font-size: var(--text-base);
    color: var(--text-subtle);
    text-align: center;
    width: fit-content;
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 720px) {
    .field-grid.two,
    .field-grid.three {
        grid-template-columns: 1fr;
    }

    .field-grid.phone-split-3 > .field > label {
        min-height: 0;
        display: block;
    }

    .file-grid {
        grid-template-columns: 1fr;
    }

    .modal-card-lg {
        margin-top: var(--space-5);
    }
}

@media (max-width: 640px) {
    .modal {
        align-items: flex-start;
        padding: var(--space-4);
    }

    .modal-card {
        padding: var(--space-6) var(--space-5);
        margin-top: var(--space-5);
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions .primary-btn,
    .modal-actions .ghost-btn {
        width: 100%;
    }
}

.modal-card-auth {
    max-width: 560px;
    padding: 32px 36px;
    text-align: justify;
}

.modal-card-auth .form-head {
    margin-bottom: 0;
}

.modal-card-auth .modal-title,
.modal-card-auth .modal-text {
    text-align: justify;
}

.modal-card-auth .modal-email {
    width: 100%;
    min-width: 0;
    justify-content: flex-start;
    text-align: justify;
}

.modal-card-auth .modal-actions {
    text-align: center;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
}

.modal-card-auth .modal-actions > form {
    margin: 0;
}

.modal-card-auth .modal-actions > form,
.modal-card-auth .modal-actions > button,
.modal-card-auth .modal-actions > a {
    width: 100%;
}

.modal-card-auth .modal-actions > form > .primary-btn,
.modal-card-auth .modal-actions > form > .ghost-btn,
.modal-card-auth .modal-actions > form > button,
.modal-card-auth .modal-actions > form > a {
    width: 100%;
}

@media (max-width: 640px) {
    .modal-card-auth {
        padding: var(--space-6) var(--space-5);
    }

    .modal-card-auth .modal-actions {
        grid-template-columns: 1fr;
    }
}