* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --navy-blue: #0a192f;
    --blue-dark: #112240;
    --blue-medium: #1e3a5f;
    --blue-text: #0a192f;
    --blue-text-light: #1e3a5f;
    --text-primary: #0a192f;
    --text-secondary: #4a5568;
    --border-color: #e2e8f0;
    --border-gold: #D4AF37;
    --border-gold-light: #F4D03F;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow: rgba(0, 0, 0, 0.15);
    --shadow-strong: rgba(0, 0, 0, 0.25);
    --gold: #D4AF37;
    --white: #ffffff;
    --bg-light: #f7fafc;
}

body {
    font-family: 'Segoe UI', 'Arial', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--white);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

.form-wrapper {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px var(--shadow-strong), 0 2px 8px var(--shadow);
    border: 2px solid var(--border-gold);
}

.form-header {
    position: relative;
    text-align: center;
    margin-bottom: 40px;
}

.admin-link {
    position: absolute;
    top: 0;
    right: 0;
    padding: 8px 16px;
    background: var(--blue-accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: opacity 0.2s, transform 0.2s;
}

.admin-link:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--blue-text);
    border-radius: 15px;
    border: 2px solid var(--border-gold);
    max-width: 100%;
    box-sizing: border-box;
    margin-top: 20px;
    box-shadow: 0 4px 16px var(--shadow), 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-image {
    max-width: 100%;
    height: auto;
    max-height: 150px;
    object-fit: contain;
    display: block;
}

.app-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--blue-text);
    margin: 0;
    padding: 15px 0;
    text-align: center;
    letter-spacing: 1px;
}

.form-section {
    margin-bottom: 35px;
    padding: 25px;
    background: var(--blue-text);
    border-radius: 15px;
    border: 2px solid var(--border-gold);
    box-shadow: 0 4px 16px var(--shadow), 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-section h2 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--white);
    font-weight: 600;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--white);
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--white);
    font-size: 0.95rem;
}

.required {
    color: var(--error-color);
    margin-left: 3px;
}

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--white);
    border: 2px solid var(--white);
    border-radius: 8px;
    color: var(--blue-text);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--border-gold);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="number"]::placeholder,
textarea::placeholder {
    color: rgba(74, 85, 104, 0.5);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230a192f' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

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

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--border-gold);
}

.btn-submit,
.btn-reset {
    padding: 14px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: inherit;
}

.btn-submit {
    background: var(--blue-text);
    color: var(--white);
    border: 2px solid var(--border-gold);
    box-shadow: 0 4px 15px var(--shadow);
    font-weight: 700;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow);
    background: var(--blue-dark);
    border-color: var(--border-gold);
}

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

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-reset {
    background: transparent;
    color: var(--blue-text);
    border: 2px solid var(--border-gold);
}

.btn-reset:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--border-gold);
    color: var(--blue-text);
}

.message {
    margin-top: 25px;
    padding: 15px 20px;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
    animation: slideDown 0.3s ease;
}

.message.success {
    background: rgba(16, 185, 129, 0.2);
    border: 2px solid var(--success-color);
    color: var(--success-color);
}

.message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 2px solid var(--error-color);
    color: var(--error-color);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-wrapper {
        padding: 25px;
    }

    .logo-container {
        padding: 15px;
    }

    .logo-image {
        max-height: 100px;
    }

    .form-title {
        font-size: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .btn-submit,
    .btn-reset {
        width: 100%;
    }

    .task-row {
        padding: 15px;
    }

    .button-group {
        flex-direction: column;
    }

    .button-option {
        width: 100%;
    }
}

/* Loading state */
.btn-loader {
    display: inline-block;
    animation: spin 1s linear infinite;
}

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

/* Task Rows Styling */
#tasksContainer {
    margin-bottom: 20px;
}

.task-row {
    background: rgba(10, 26, 47, 0.3);
    border: 2px solid var(--border-gold);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow);
}

.task-row:hover {
    border-color: var(--border-gold-light);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
    background: rgba(10, 26, 47, 0.4);
}

.task-row-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--white);
}

.task-number {
    font-weight: 700;
    color: var(--white);
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.btn-remove-task {
    background: var(--error-color);
    color: var(--text-primary);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-remove-task:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

.btn-add-task {
    width: 100%;
    background: transparent;
    color: var(--white);
    border: 2px dashed var(--border-gold);
    padding: 14px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-add-task:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--border-gold);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-add-task span {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Button Group Styles (Radio Button Style) */
.button-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.button-group input[type="radio"] {
    display: none;
}

.button-option {
    flex: 1;
    min-width: 120px;
    padding: 12px 20px;
    background: var(--white);
    border: 2px solid var(--white);
    border-radius: 8px;
    color: var(--blue-text);
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 2px 4px var(--shadow);
}

.button-option:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--border-gold);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--shadow);
}

.button-group input[type="radio"]:checked + .button-option {
    background: var(--blue-text);
    border-color: var(--border-gold);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3);
}

.button-icon {
    font-size: 1.2rem;
}