/* ═══════════════════════════════════════════════════════════
   Registration Modal — Đăng ký tham gia đấu giá
   Brand Identity: Green Primary + Gold Accent
   ═══════════════════════════════════════════════════════════ */

/* ── Overlay ────────────────────────────────────────────── */
.dgkv-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--dgkv-transition-slow);
}

.dgkv-modal-overlay.open {
    opacity: 1;
    visibility: visible;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

/* ── Modal Container ────────────────────────────────────── */
.dgkv-reg-modal {
    background: var(--dgkv-white);
    border-radius: var(--dgkv-radius-xl);
    width: 94%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(40px) scale(0.96);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--dgkv-shadow-xl);
}

.dgkv-modal-overlay.open .dgkv-reg-modal {
    transform: translateY(0) scale(1);
}

/* ── Header ─────────────────────────────────────────────── */
.dgkv-reg-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px;
    border-bottom: 1px solid var(--dgkv-border);
    position: sticky;
    top: 0;
    background: var(--dgkv-white);
    border-radius: var(--dgkv-radius-xl) var(--dgkv-radius-xl) 0 0;
    z-index: 1;
}

.dgkv-reg-modal__header h2 {
    margin: 0;
    font-size: var(--dgkv-font-size-lg);
    font-weight: 700;
    color: var(--dgkv-text);
    display: flex;
    align-items: center;
    gap: var(--dgkv-spacing-sm);
}

.dgkv-reg-modal__header h2 .material-icons-outlined {
    color: var(--dgkv-accent);
    font-size: 1.5rem;
}

.dgkv-reg-modal__close {
    border: none;
    background: var(--dgkv-surface);
    cursor: pointer;
    border-radius: var(--dgkv-radius);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dgkv-text-muted);
    transition: all var(--dgkv-transition);
}

.dgkv-reg-modal__close:hover {
    background: var(--dgkv-danger);
    color: var(--dgkv-white);
}

/* ── Body ───────────────────────────────────────────────── */
.dgkv-reg-modal__body {
    padding: 24px 28px 12px;
}

.dgkv-reg-modal__notice {
    background: linear-gradient(135deg, var(--dgkv-primary-light) 0%, rgba(15, 189, 30, 0.04) 100%);
    border-left: 4px solid var(--dgkv-primary);
    padding: var(--dgkv-spacing-md) var(--dgkv-spacing-lg);
    border-radius: var(--dgkv-radius);
    margin-bottom: var(--dgkv-spacing-xl);
    font-size: var(--dgkv-font-size-sm);
    color: var(--dgkv-text);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: var(--dgkv-spacing-sm);
}

/* ── Form Fields ────────────────────────────────────────── */
.dgkv-reg-form__row {
    margin-bottom: 18px;
}

.dgkv-reg-form__row--double {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--dgkv-spacing-lg);
}

.dgkv-reg-form__label {
    display: block;
    font-size: var(--dgkv-font-size-sm);
    font-weight: 600;
    color: var(--dgkv-text-secondary);
    margin-bottom: 6px;
}

.dgkv-reg-form__label .required {
    color: var(--dgkv-danger);
    margin-left: 2px;
}

.dgkv-reg-form__input,
.dgkv-reg-form__textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--dgkv-border);
    border-radius: var(--dgkv-radius);
    font-size: var(--dgkv-font-size-sm);
    font-family: var(--dgkv-font);
    background: var(--dgkv-white);
    color: var(--dgkv-text);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-sizing: border-box;
    position: relative;
}

.dgkv-reg-form__input::placeholder,
.dgkv-reg-form__textarea::placeholder {
    color: var(--dgkv-text-muted);
    font-weight: 400;
    transition: opacity var(--dgkv-transition);
}

.dgkv-reg-form__input:focus::placeholder,
.dgkv-reg-form__textarea:focus::placeholder {
    opacity: 0.5;
}

.dgkv-reg-form__input:focus,
.dgkv-reg-form__textarea:focus {
    outline: none;
    border-color: var(--dgkv-primary);
    background: var(--dgkv-white);
    box-shadow: var(--dgkv-shadow-focus);
    transform: translateY(-1px);
}

.dgkv-reg-form__input:hover:not(:focus),
.dgkv-reg-form__textarea:hover:not(:focus) {
    border-color: var(--dgkv-text-muted);
}

.dgkv-reg-form__input.error,
.dgkv-reg-form__textarea.error {
    border-color: var(--dgkv-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
    animation: dgkvShake 0.4s ease;
}

@keyframes dgkvShake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-4px);
    }

    75% {
        transform: translateX(4px);
    }
}

.dgkv-reg-form__error-msg {
    font-size: var(--dgkv-font-size-xs);
    color: var(--dgkv-danger);
    margin-top: var(--dgkv-spacing-xs);
    display: none;
}

.dgkv-reg-form__error-msg.visible {
    display: block;
}

.dgkv-reg-form__textarea {
    resize: vertical;
    min-height: 72px;
}

/* ── Drag & Drop Upload Zone ────────────────────────────── */
.dgkv-upload-zone {
    border: 2px dashed var(--dgkv-border);
    border-radius: var(--dgkv-radius-lg);
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--dgkv-transition-slow);
    background: var(--dgkv-surface);
    position: relative;
}

.dgkv-upload-zone:hover,
.dgkv-upload-zone.dragover {
    border-color: var(--dgkv-primary);
    background: var(--dgkv-primary-light);
}

.dgkv-upload-zone.dragover {
    border-style: solid;
    box-shadow: 0 0 0 4px rgba(15, 189, 30, 0.1);
}

.dgkv-upload-zone__icon {
    font-size: 2.5rem;
    color: var(--dgkv-primary);
    margin-bottom: var(--dgkv-spacing-sm);
}

.dgkv-upload-zone__text {
    color: var(--dgkv-text-muted);
    font-size: var(--dgkv-font-size-sm);
    line-height: 1.5;
}

.dgkv-upload-zone__text strong {
    color: var(--dgkv-primary);
    cursor: pointer;
}

.dgkv-upload-zone__hint {
    display: block;
    margin-top: 6px;
    font-size: var(--dgkv-font-size-xs);
    color: var(--dgkv-text-muted);
}

.dgkv-upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* ── Uploaded Files List ────────────────────────────────── */
.dgkv-upload-list {
    margin-top: var(--dgkv-spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--dgkv-spacing-sm);
}

.dgkv-upload-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--dgkv-surface);
    border-radius: var(--dgkv-radius);
    font-size: var(--dgkv-font-size-sm);
    animation: dgkvSlideIn 0.3s ease;
}

@keyframes dgkvSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dgkv-upload-item__icon {
    color: var(--dgkv-primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.dgkv-upload-item__info {
    flex: 1;
    min-width: 0;
}

.dgkv-upload-item__name {
    display: block;
    color: var(--dgkv-text);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dgkv-upload-item__size {
    font-size: var(--dgkv-font-size-xs);
    color: var(--dgkv-text-muted);
}

.dgkv-upload-item__status {
    flex-shrink: 0;
}

.dgkv-upload-item__progress {
    width: 60px;
    height: 4px;
    background: var(--dgkv-border);
    border-radius: var(--dgkv-radius-sm);
    overflow: hidden;
}

.dgkv-upload-item__progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--dgkv-primary), var(--dgkv-primary-hover));
    border-radius: var(--dgkv-radius-sm);
    transition: width var(--dgkv-transition-slow);
    width: 0;
}

.dgkv-upload-item--done .dgkv-upload-item__status .material-icons-outlined {
    color: var(--dgkv-success);
    font-size: 1.1rem;
}

.dgkv-upload-item--error .dgkv-upload-item__status .material-icons-outlined {
    color: var(--dgkv-danger);
}

.dgkv-upload-item__remove {
    border: none;
    background: none;
    cursor: pointer;
    color: var(--dgkv-text-muted);
    padding: var(--dgkv-spacing-xs);
    border-radius: var(--dgkv-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.dgkv-upload-item__remove:hover {
    color: var(--dgkv-danger);
    background: rgba(239, 68, 68, 0.08);
}

/* ── Footer / Submit ────────────────────────────────────── */
.dgkv-reg-modal__footer {
    padding: 16px 28px 24px;
    display: flex;
    gap: var(--dgkv-spacing-md);
    justify-content: flex-end;
    border-top: 1px solid var(--dgkv-border);
    position: sticky;
    bottom: 0;
    background: var(--dgkv-white);
    border-radius: 0 0 var(--dgkv-radius-xl) var(--dgkv-radius-xl);
}

.dgkv-reg-btn {
    padding: 11px 28px;
    border: none;
    border-radius: var(--dgkv-radius);
    font-size: var(--dgkv-font-size-sm);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--dgkv-spacing-sm);
    transition: all var(--dgkv-transition);
    font-family: var(--dgkv-font);
}

.dgkv-reg-btn--cancel {
    background: var(--dgkv-surface);
    color: var(--dgkv-text-muted);
}

.dgkv-reg-btn--cancel:hover {
    background: var(--dgkv-border);
}

.dgkv-reg-btn--submit {
    background: linear-gradient(135deg, var(--dgkv-accent) 0%, var(--dgkv-accent-dark) 100%);
    color: var(--dgkv-white);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.dgkv-reg-btn--submit:hover {
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.45);
    transform: translateY(-1px);
}

.dgkv-reg-btn--submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.dgkv-reg-btn--submit .dgkv-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--dgkv-white);
    border-radius: 50%;
    animation: dgkvSpin 0.7s linear infinite;
}

.dgkv-reg-btn--submit.loading .dgkv-spinner {
    display: inline-block;
}

@keyframes dgkvSpin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Toast Notification ─────────────────────────────────── */
.dgkv-toast {
    position: fixed;
    top: var(--dgkv-spacing-xl);
    right: var(--dgkv-spacing-xl);
    z-index: 10001;
    padding: 14px 20px;
    border-radius: var(--dgkv-radius-lg);
    color: var(--dgkv-white);
    font-weight: 600;
    font-size: var(--dgkv-font-size-sm);
    box-shadow: var(--dgkv-shadow-lg);
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 380px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dgkv-toast.show {
    transform: translateX(0);
}

.dgkv-toast--success {
    background: linear-gradient(135deg, var(--dgkv-primary) 0%, var(--dgkv-primary-hover) 100%);
}

.dgkv-toast--error {
    background: linear-gradient(135deg, var(--dgkv-danger) 0%, #ff6b6b 100%);
}

/* ── Success Screen ─────────────────────────────────────── */
.dgkv-reg-success {
    text-align: center;
    padding: var(--dgkv-spacing-3xl) 28px;
}

.dgkv-reg-success__icon {
    font-size: 4rem;
    color: var(--dgkv-primary);
    margin-bottom: var(--dgkv-spacing-lg);
    animation: dgkvBounce 0.5s ease;
}

@keyframes dgkvBounce {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

.dgkv-reg-success h3 {
    font-size: var(--dgkv-font-size-xl);
    color: var(--dgkv-text);
    margin: 0 0 var(--dgkv-spacing-sm);
}

.dgkv-reg-success p {
    color: var(--dgkv-text-muted);
    margin: 0;
    line-height: 1.6;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
    .dgkv-reg-modal {
        width: 100%;
        max-height: 100vh;
        border-radius: var(--dgkv-radius-xl) var(--dgkv-radius-xl) 0 0;
        align-self: flex-end;
    }

    .dgkv-modal-overlay.open .dgkv-reg-modal {
        transform: translateY(0);
    }

    .dgkv-reg-modal__header,
    .dgkv-reg-modal__body,
    .dgkv-reg-modal__footer {
        padding-left: var(--dgkv-spacing-xl);
        padding-right: var(--dgkv-spacing-xl);
    }

    .dgkv-reg-form__row--double {
        grid-template-columns: 1fr;
    }

    .dgkv-toast {
        left: var(--dgkv-spacing-lg);
        right: var(--dgkv-spacing-lg);
        max-width: none;
    }
}