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

body {
    font-family: Arial, sans-serif;
    min-height: 100vh;

    background: #f5f1e8;

    display: flex;
    justify-content: center;
    align-items: center;

    color: #26352d;
}

.app {
    width: 90%;
    max-width: 650px;
    text-align: center;
}

.logo {
    width: 60px;
    height: 60px;

    margin: 0 auto 20px;

    border-radius: 50%;

    display: flex;
    justify-content: center;
    align-items: center;

    background: #315c48;
    color: white;

    font-size: 28px;
    font-weight: bold;
}

h1 {
    font-size: 48px;
    margin-bottom: 8px;
}

.tagline {
    font-size: 18px;
    color: #68766e;
    margin-bottom: 40px;
}

.welcome-card {
    background: white;

    padding: 35px;

    border-radius: 20px;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.welcome-card h2 {
    margin-bottom: 25px;
    font-size: 22px;
}

input {
    width: 100%;

    padding: 15px;

    border: 1px solid #d7ddd8;
    border-radius: 12px;

    font-size: 16px;

    margin-bottom: 15px;
}

input:focus {
    outline: none;
    border-color: #315c48;
}

button {
    width: 100%;

    padding: 15px;

    border: none;
    border-radius: 12px;

    background: #315c48;
    color: white;

    font-size: 16px;
    font-weight: bold;

    cursor: pointer;
}

button:hover {
    opacity: 0.9;
}
.focus-screen,
.complete-screen,
.break-screen {
    text-align: center;
}

.small-text {
    margin-top: 30px;
    margin-bottom: 10px;
    font-size: 12px;
    letter-spacing: 2px;
    color: #68766e;
    font-weight: bold;
}

.focus-screen h1,
.complete-screen h1,
.break-screen h1 {
    margin-bottom: 30px;
}

.timer {
    font-size: 80px;
    font-weight: bold;
    margin: 40px 0 15px;
    letter-spacing: 3px;
}

.focus-message {
    color: #68766e;
    font-size: 17px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.break-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.break-options button {
    padding: 18px 10px;
}
textarea {
    width: 100%;
    min-height: 140px;

    padding: 15px;

    border: 1px solid #d7ddd8;
    border-radius: 12px;

    font-family: Arial, sans-serif;
    font-size: 16px;

    resize: vertical;

    margin-bottom: 15px;
}

textarea:focus {
    outline: none;
    border-color: #315c48;
}
.secondary-button {
    margin-top: 10px;
    background: transparent;
    color: #315c48;
    border: 1px solid #315c48;
}
.delete-button {
    margin-top: 10px;
    background: transparent;
    border: 1px solid #b56b6b;
    color: #8f4f4f;
}
.stats-card {
    background: white;
    padding: 25px;
    border-radius: 20px;
    margin: 25px 0;
    box-shadow: 0 8px 25px rgba(0,0,0,0.06);
}

.stats-card p {
    color: #68766e;
    margin-top: 15px;
}

.stats-card h2 {
    margin-top: 5px;
    color: #315c48;
}
.home-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    margin: 30px 0 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.home-card h2 {
    margin: 15px 0 25px;
}

.home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.home-option {
    min-height: 100px;
    background: white;
    color: #26352d;
    border: 1px solid #e0e5e1;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;

    font-size: 28px;
}

.home-option span {
    font-size: 14px;
    font-weight: normal;
}

.home-option:hover {
    border-color: #315c48;
    opacity: 1;
}
.duration-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.duration-button {
    background: #f5f1e8;
    color: #315c48;
    border: 1px solid #d7ddd8;
}

.duration-button.selected {
    background: #315c48;
    color: white;
    border-color: #315c48;
}
.session-history {
    background: white;
    padding: 20px;
    border-radius: 20px;
    margin: 20px 0;
    box-shadow: 0 8px 25px rgba(0,0,0,0.06);
}

.session-item {
    display: flex;
    flex-direction: column;
    gap: 5px;

    padding: 14px 0;
    border-bottom: 1px solid #e5e8e5;
}

.session-item:last-child {
    border-bottom: none;
}

.session-item strong {
    color: #315c48;
}

.session-item span {
    font-size: 13px;
    color: #68766e;
}
.insight-card {
    background: white;
    padding: 25px;
    border-radius: 20px;
    margin: 20px 0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
    text-align: left;
}

.insight-card .small-text {
    margin-top: 15px;
}

.insight-card .small-text:first-child {
    margin-top: 0;
}
.achievement-section {
    background: white;
    padding: 20px;
    border-radius: 20px;
    margin: 20px 0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 14px 0;
    border-bottom: 1px solid #e5e8e5;
}

.achievement-item:last-child {
    border-bottom: none;
}

.achievement-icon {
    font-size: 30px;
}

.achievement-item div:last-child {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.achievement-item strong {
    color: #315c48;
}

.achievement-item span {
    font-size: 13px;
    color: #68766e;
}