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var(--shadow-hover-color)}.add-task-button{width:100%;padding:1.25rem;background:linear-gradient(135deg,var(--primary-blue) 0%,var(--deep-blue) 100%);color:var(--white);border:none;border-radius:14px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;margin-bottom:1.5rem;display:flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:0 6px 20px var(--shadow-color)}.add-task-button:hover{transform:translateY(-3px);box-shadow:0 8px 25px var(--shadow-hover-color)}.plus-icon{font-size:1.5rem;font-weight:300}.todos-list{display:flex;flex-direction:column;gap:1rem;max-height:600px;overflow-y:auto;padding-right:.5rem;margin-bottom:1rem}.todos-list::-webkit-scrollbar{width:10px}.todos-list::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:10px}.todos-list::-webkit-scrollbar-thumb{background:linear-gradient(135deg,var(--primary-blue) 0%,var(--deep-blue) 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