:root {
    --primary-color: #2563EB;
    --primary-hover: #1D4ED8;
    --text-main: #1F2937;
    --text-secondary: #6B7280;
    --bg-input: #FFFFFF;
    --border-input: #D1D5DB;
    --focus-ring: rgba(37, 99, 235, .2);
    --radius: 8px;
    --transition: .2s ease
}

.form-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px
}

.form-header {
    margin-bottom: 24px;
    text-align: center
}

.form-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin: 40px 0 40px;
    color: var(--text-main)
}

.form-header .form-deadline {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 4px 0 0;
}

.ef-section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin: 20px 0 10px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid #E5E7EB;
}

.event-form {
    margin: 0
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px
}

.form-group {
    display: flex;
    flex-direction: column
}

.span-2 {
    grid-column: span 2
}

.span-3 {
    grid-column: span 3
}

label {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #374151
}

input[type=text],
input[type=email],
input[type=tel],
input[type=date],
input[type=number],
textarea,
select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: 15px;
    color: var(--text-main);
    transition: var(--transition);
    outline: none;
    width: 100%;
    box-sizing: border-box
}

input::placeholder,
textarea::placeholder {
    color: #9CA3AF
}

input:focus,
textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--focus-ring)
}

textarea {
    resize: vertical;
    min-height: 100px
}

.file-upload-wrapper {
    position: relative;
    border: 2px dashed var(--border-input);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    background: #F9FAFB;
    cursor: pointer
}

.file-upload-wrapper:hover {
    border-color: var(--primary-color);
    background: #EFF6FF
}

.file-upload-wrapper input[type=file] {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer
}

.file-upload-text {
    font-size: 14px;
    color: var(--text-secondary)
}

.file-upload-text span {
    color: var(--primary-color);
    font-weight: 500
}

.file-list {
    margin-top: 8px;
    text-align: left
}

.file-item {
    font-size: 13px;
    color: #374151;
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: var(--radius);
    padding: 6px 8px;
    margin-top: 6px
}

.bottom-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #E5E7EB;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    max-width: 60%
}

.checkbox-group input[type=checkbox] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color)
}

.checkbox-group label {
    font-weight: 400;
    font-size: 13px;
    line-height: 1.4;
    color: var(--text-secondary);
    margin: 0
}

.antispam-group {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #F3F4F6;
    padding: 8px 12px;
    border-radius: var(--radius)
}

.antispam-group label {
    margin: 0;
    white-space: nowrap
}

.antispam-group input {
    width: 60px !important;
    padding: 6px 10px;
    text-align: center
}

.submit-btn {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    margin-top: 24px;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, .2)
}

.submit-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(37, 99, 235, .3)
}

.submit-btn:active {
    transform: translateY(0)
}

.event-form-error {
    margin: 0 0 16px;
    padding: 12px 16px;
    border: 1px solid #d63638;
    background: #fef1f2;
    color: #8a1c1c;
    border-radius: 6px
}

.field-error {
    color: #d63638;
    font-size: 12px;
    margin-top: 6px
}

.success-card {
    max-width: 460px;
    margin: 0 auto;
    padding: 40px 24px;
    text-align: center;
    animation: slideUp .5s ease-out forwards;
    display: flex;
    flex-direction: column;
    align-items: center
}

.icon-circle {
    width: 72px;
    height: 72px;
    background: #ECFDF5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px
}

.checkmark {
    width: 36px;
    height: 36px;
    stroke: #10B981;
    stroke-width: 3.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawCheck .6s .2s ease forwards
}

.success-card h2 {
    font-size: 24px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 12px
}

.success-card p {
    font-size: 16px;
    line-height: 1.5;
    color: #6B7280;
    margin: 0 0 24px
}

.back-btn {
    background: transparent;
    color: #374151;
    border: 1px solid #D1D5DB;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s ease;
    display: inline-block;
    text-decoration: none
}

.back-btn:hover {
    background: #F9FAFB;
    border-color: #9CA3AF;
    color: #111827
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(15px)
    }

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

@keyframes drawCheck {
    to {
        stroke-dashoffset: 0
    }
}

@media (max-width:768px) {
    .form-grid {
        grid-template-columns: 1fr;
        gap: 16px
    }

    .span-2,
    .span-3 {
        grid-column: span 1
    }

    .bottom-section {
        flex-direction: column;
        align-items: stretch
    }

    .checkbox-group {
        max-width: 100%
    }

    .antispam-group {
        justify-content: space-between
    }
}