/* app/static/css/calculator.css */

/* Calculator panel styles */
.calculator-panel {
    position: fixed;
    top: 62px;
    left: -350px; /* Изначально скрыт слева */
    width: 300px;
    max-height: calc(100vh - 62px);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)),
        linear-gradient(180deg, rgba(6, 171, 212, 0.14), rgba(0, 0, 0, 0.10)),
        rgba(15, 18, 22, 0.98);
    border: 1px solid rgba(6, 171, 212, 0.44);
    border-top: none;
    border-radius: 0 0 14px 14px;
    transition: left 0.3s ease; /* Анимация выезда слева */
    box-shadow:
        0 0 24px rgba(6, 171, 212, 0.22),
        0 18px 50px rgba(0, 0, 0, 0.58),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    z-index: 900;
}

.calculator-panel.open {
    left: 0;
}

.calculator-content {
    background: transparent;
    padding: 30px;
    text-align: center;
    height: 100%;
    overflow-y: auto;
}

/* Drag handle (верхняя планка для перетаскивания) */
.drag-handle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px; /* Высота планки */
    background: rgba(0, 0, 0, 0.8); /* Полупрозрачный фон */
    cursor: move; /* Курсор для перетаскивания */
    z-index: 910; /* Над другими элементами */
}

/* Memory display */
.memory-display {
    font-size: 0.8rem;
    color: #ffffff;
    text-align: left;
    margin-bottom: 5px;
}

#memory-display {
    font-weight: bold;
}

/* Calculator display - glowing like an electronic billboard */
#calc-display {
    font-size: 1.5rem;
    text-align: right;
    padding: 10px;
    border: 1px solid rgba(6, 171, 212, 0.38);
    border-radius: 12px;
    background: linear-gradient(to bottom, rgba(20, 20, 20, 0.96), rgba(102, 255, 102, 0.12));
    color: #66ff66;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 10px;
    font-family: 'Courier New', Courier, monospace;
    box-shadow: 0 0 15px rgba(102, 255, 102, 0.70), 0 0 30px rgba(102, 255, 102, 0.50);
    text-shadow: 0 0 8px rgba(102, 255, 102, 0.90);
}

/* Calculator buttons */
.buttons {
    display: grid;
    grid-template-areas:
        "mc mr m-minus m-plus"
        "ac clear sqrt divide"
        "seven eight nine multiply"
        "four five six subtract"
        "one two three sign"
        "zero double-zero dot percent"
        "lparen rparen backspace mu"
        "add add equals equals";
    gap: 5px;
}

.calc-button {
    font-size: 1.2rem;
    padding: 10px;
    border: 1px solid rgba(6, 171, 212, 0.28);
    border-radius: 10px;
    background: rgba(8, 12, 16, 0.92);
    color: #ffffff;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
}

.calc-button:hover {
    background: rgba(6, 171, 212, 0.18);
    border-color: rgba(6, 217, 255, 0.62);
    color: #00ccff;
}

.calc-button:active {
    background: rgba(6, 171, 212, 0.24);
}

/* Tall buttons (+ and =) */
.calc-button.tall {
    grid-row: span 2;
}

/* Operations */
.calc-button.operation {
    background: rgba(6, 171, 212, 0.14);
}

.calc-button.operation:hover {
    background: rgba(6, 171, 212, 0.24);
}

/* Clear buttons (C and AC) - red */
.calc-button.clear {
    background: #ff4444;
}

.calc-button.clear:hover {
    background: #ff6666;
    color: #ffffff;
}

/* Equals button - blue */
.calc-button.equals {
    background: rgba(6, 171, 212, 0.42);
}

.calc-button.equals:hover {
    background: rgba(6, 217, 255, 0.48);
    color: #ffffff;
}

/* Memory buttons */
.calc-button.memory {
    background: rgba(8, 12, 16, 0.96);
}

.calc-button.memory:hover {
    background: rgba(6, 171, 212, 0.20);
}

/* Grid areas */
.calc-button.memory:nth-child(1) { grid-area: mc; }
.calc-button.memory:nth-child(2) { grid-area: mr; }
.calc-button.memory:nth-child(3) { grid-area: m-minus; }
.calc-button.memory:nth-child(4) { grid-area: m-plus; }
.calc-button.clear:nth-child(5) { grid-area: ac; }
.calc-button.clear:nth-child(6) { grid-area: clear; }
.calc-button:nth-child(7) { grid-area: sqrt; }
.calc-button.operation:nth-child(8) { grid-area: divide; }
.calc-button:nth-child(9) { grid-area: seven; }
.calc-button:nth-child(10) { grid-area: eight; }
.calc-button:nth-child(11) { grid-area: nine; }
.calc-button.operation:nth-child(12) { grid-area: multiply; }
.calc-button:nth-child(13) { grid-area: four; }
.calc-button:nth-child(14) { grid-area: five; }
.calc-button:nth-child(15) { grid-area: six; }
.calc-button.operation:nth-child(16) { grid-area: subtract; }
.calc-button:nth-child(17) { grid-area: one; }
.calc-button:nth-child(18) { grid-area: two; }
.calc-button:nth-child(19) { grid-area: three; }
.calc-button:nth-child(20) { grid-area: sign; }
.calc-button.zero { grid-area: zero; }
.calc-button:nth-child(22) { grid-area: double-zero; }
.calc-button:nth-child(23) { grid-area: dot; }
.calc-button:nth-child(24) { grid-area: percent; }
.calc-button:nth-child(25) { grid-area: lparen; }
.calc-button:nth-child(26) { grid-area: rparen; }
.calc-button:nth-child(27) { grid-area: backspace; }
.calc-button:nth-child(28) { grid-area: mu; }
.calc-button.operation.tall { grid-area: add; }
.calc-button.equals.tall { grid-area: equals; }

/* Close button */
.close {
    position: absolute;
    top: 14px;
    right: 15px;
    font-size: 28px;
    cursor: pointer;
    color: #ff9500;
    transition: color 0.3s ease;
    z-index: 920;
    line-height: 1;
}

.close:hover {
    color: #1e90ff;
}

/* Mobile devices */
@media (max-width: 900px) {
    .calculator-panel {
        top: 58px;
        max-height: calc(100vh - 58px);
    }
}

@media (max-width: 480px) {
    .calculator-panel {
        width: 90%;
    }

    #calc-display {
        font-size: 1.2rem;
    }

    .calc-button {
        font-size: 1rem;
        padding: 8px;
    }
}

/* Light theme styles */
body.light-theme .calculator-panel {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)),
        linear-gradient(180deg, rgba(6, 171, 212, 0.14), rgba(0, 0, 0, 0.10)),
        rgba(15, 18, 22, 0.98);
    border: 1px solid rgba(6, 171, 212, 0.44);
    border-top: none;
    box-shadow:
        0 0 24px rgba(6, 171, 212, 0.22),
        0 18px 50px rgba(0, 0, 0, 0.58),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

body.light-theme .calculator-content {
    color: #ffffff;
}

body.light-theme .memory-display {
    color: #ffffff;
}

body.light-theme #calc-display {
    background: linear-gradient(to bottom, rgba(20, 20, 20, 0.96), rgba(102, 255, 102, 0.12));
    color: #66ff66;
    border-color: rgba(102, 255, 102, 0.42);
    box-shadow: 0 0 15px rgba(102, 255, 102, 0.70), 0 0 30px rgba(102, 255, 102, 0.50);
    text-shadow: 0 0 8px rgba(102, 255, 102, 0.90);
}

body.light-theme .calc-button {
    background: rgba(8, 12, 16, 0.92);
    border: 1px solid rgba(6, 171, 212, 0.28);
    color: #ffffff;
}

body.light-theme .calc-button:hover {
    background: rgba(6, 171, 212, 0.18);
    border-color: rgba(6, 217, 255, 0.62);
}

body.light-theme .calc-button.operation,
body.light-theme .calc-button.equals {
    background: rgba(6, 171, 212, 0.42);
    border: 1px solid rgba(6, 171, 212, 0.50);
}

body.light-theme .calc-button.operation:hover,
body.light-theme .calc-button.equals:hover {
    background: rgba(6, 217, 255, 0.48);
    border-color: rgba(6, 217, 255, 0.68);
}

body.light-theme .calc-button.clear {
    background: #ff4444;
}

body.light-theme .calc-button.clear:hover {
    background: #ff6666;
    color: #ffffff;
}

body.light-theme .calc-button.memory {
    background: rgba(8, 12, 16, 0.96);
}

body.light-theme .calc-button.memory:hover {
    background: rgba(6, 171, 212, 0.20);
}

body.light-theme .close {
    color: #ff9500;
}

body.light-theme .close:hover {
    color: #1e90ff;
}

body.light-theme .drag-handle {
    background: rgba(255, 255, 255, 0.8);
}